Project Number	Project Title	Stage	Comments
ACRP 01-01	Guidebook for Managing Small Airports	Final	Results published in ACRP Report 16 and Web-Only Document 5.
ACRP 01-02	Guidebook for Developing and Managing Airport Contracts	Final
ACRP 01-03	Analysis and Recommendations for Developing Integrated Airport Information Systems	Final	Results published in ACRP Report 13 and Web-Only Document 1.
ACRP 01-04	Marketing Techniques for Small Airports	Final
ACRP 01-05	Guidebook for Airport Capital Project Delivery Systems	Final	Results published in ACRP Report 21 and Web-Only Document 6.
ACRP 01-06	Guidebook for Developing an Airport Performance-Measurement System	Final	Results published in ACRP Report 19.
ACRP 01-07	Airport/Airline Agreements and Rate Methodologies—Practices and Characteristics	Final	Results published in ACRP Report 36.
ACRP 01-08	Guidebook on Best Management Practices for Leasing and Developing Airport Property	Final
ACRP 01-09	Airport Performance Indicators	Completed	Results published in ACRP Report 19A.
ACRP 01-10	A Handbook for Developing, Implementing, and Overseeing Airport Capital Plans	Final
ACRP 01-11	Understanding Airport In-Terminal Concession Programs	Final
ACRP 01-12	A Primer for Information Technology Systems at Airports	Completed	Results published in ACRP Report 59.
ACRP 01-13	Developing a Database-Driven Web Application for Benchmarking Airport Performance	Completed
ACRP 01-14	Considering and Evaluating Airport Privatization	Final
ACRP 01-15	Assessing and Implementing Innovative Revenue Strategies--A Guide for Airports	Completed
ACRP 01-16	Asset and Infrastructure Management for Airports	Final
ACRP 01-17	Guidebook for Developing General Aviation Airport Business Plans	Final
ACRP 01-18	Application of Enterprise Risk Management at Airports	Final
ACRP 01-19	Airport Capital Improvements: Developing a Cost-Estimating Model and Database	Completed
ACRP 01-20	Procuring and Managing Professional Services for Airports	Final
ACRP 01-21	A Guidebook for Airport-Airline Consortiums	Final
ACRP 01-22	Guidebook for Successfully Assessing and Managing Risks for Airport Capital and Maintenance Projects	Final
ACRP 01-23	Mitigating Disruptive WiFi Interference at Airports	Final
ACRP 01-24	Renewable Energy as an Airport Revenue Source	Final	Complete. Results published in ACRP Report 141
ACRP 01-25	A Guidebook for Increasing Diverse and Small Business Participation in Airport Business Opportunities	Final
ACRP 01-26	Improving the Airport Customer Experience	Final
ACRP 01-27	NextGen––A Primer	Completed
ACRP 01-28	NextGen—Engaging Airport Stakeholders Guideboook	Final
ACRP 01-29	Design and Development of a State Aviation Information Database	Final
ACRP 01-30	Airport Management Guide for Providing Aircraft Fueling Services	Final
ACRP 01-31	Innovative Solutions to Facilitate Accessibility for Airport Travelers with Disabilities	Final
ACRP 01-32	Updating ACRP Report 16: Guidebook for Managing Small Airports	Final
ACRP 01-33	A Primer to Prepare for the Connected Airport and the Internet of Things	Final
ACRP 01-34	Developing Innovative Strategies for Aviation Education and Participation	Final
ACRP 01-35	Transportation Network Companies (TNCs): Impacts to Airport Revenues and Operations - A Reference Guide	Final
ACRP 01-36	Advancing the Practice of State Aviation System Planning	Final
ACRP 01-37	Performance Measures for State Aviation Agencies	Final
ACRP 01-38	Market Value Characteristics for Property at Small Airports	Final
ACRP 01-39	Creative Marketing Techniques to Improve Revenue Generation Partnerships	Final
ACRP 01-40	Evaluating the Traveler's Perspective to Improve the Airport Customer Experience	Final
ACRP 01-41	Airport Blockchain Implementation Guidebook	Active
ACRP 01-42	Guidance for Evaluating Airport Governance Structures	Final
ACRP 01-43	Update ACRP Report 26: Guidebook for Conducting Airport User Surveys	Final
ACRP 01-44	Airport Insurance Requirements	Final
ACRP 01-45	Selecting, Procuring, and Implementing Airport Capital Project Delivery Methods	Completed
ACRP 01-46	A Guide for Geospatial Data Governance Policies and Procedures	Completed
ACRP 01-47	A Guide to Developing a Culture of Innovation at Airports	Final
ACRP 01-48	Assessing Airport Programs for Travelers with Disabilities and Older Adults	Final
ACRP 01-49	The Evolution of Knowledge Management at Airports	Final
ACRP 01-50	Data Protection and Privacy Management Guidelines for Airports	Completed
ACRP 01-51	Improving Airport Organizational Practices to Enhance ACDBE/DBE Participation	Completed
ACRP 01-52	Strategic Futuring of Airports and their Role in the U.S. Airport System	Active
ACRP 01-53	Review and Update of ACRP Administration and Human Resources Products	Active
ACRP 01-54	Update to ACRP Report 49: Collaborative Airport Capital Planning Handbook	Active
ACRP 01-55	Guide for In-Terminal Airport Concession Programs	Active
ACRP 01-56	Revenue and Financing Alternatives for Medium and Small U.S. Airports in an Evolving Aviation Landscape	Active
ACRP 01-57	Guidelines for Managing Current and Future Transportation Network Companies (TNCs) Operations at Airports	RFP
ACRP 01-58	Guide for the Development of an Airport Asset Registry	RFP
ACRP 01-59	Airport Landside Congestion Pricing Programs	Anticipated	In development
ACRP 02-01	Alternative Aircraft and Airfield Deicing and Anti-Icing Formulations with Reduced Aquatic Toxicity and Biochemical Oxygen Demand	Completed	The project final report is summarized in ACRP Research Results Digest 9.
ACRP 02-02	Managing Runoff From Aircraft and Airfield Deicing and Anti-Icing Operations	Final	Results published in ACRP Report 14.
ACRP 02-03	Aircraft and Airport-Related Hazardous Air Pollutants: Research Needs and Analysis	Completed
ACRP 02-03A	Measurement of Gaseous HAP Emissions from Idling Aircraft as a Function of Engine and Ambient Conditions	Final
ACRP 02-04	Research Needs Associated with Particulate Emissions at Airports	Completed
ACRP 02-04A	Summarizing and Interpreting Aircraft Gaseous and Particulate Emissions Data	Completed
ACRP 02-05	Guidebook on Community Responses to Aircraft Noise	Final	Results published in ACRP Report 15.
ACRP 02-06	Guidebook on Preparing Airport Greenhouse Gas (GHG) Emissions Inventories	Completed
ACRP 02-07	Handbook for Analyzing the Costs and Benefits of Alternative Turbine Engine Fuels at Airports	Completed
ACRP 02-08	Guidance for Quantifying the Contribution of Airport Emissions to Local Air Quality	Completed
ACRP 02-09	A Comprehensive Development Plan for a Multimodal Noise and Emissions Model	Completed
ACRP 02-10	Practical Greenhouse Gas Emission Reduction Strategies for Airports	Final
ACRP 02-100	Carbon Removal and Reduction to Support Airport Net-Zero Goals	Completed
ACRP 02-101	Environmental Stewardship and Compliance Training for Airport Employees	Completed
ACRP 02-102	A Balanced Look at Local Airport Activity and Climate Change	Completed
ACRP 02-103	A Guide for Methods to Transition and Decontaminate PFAS from Firefighting Systems	Final
ACRP 02-105	Addressing Challenges to Airport Terminal Recycling	Anticipated	In development
ACRP 02-106	Update ACRP Report 84: Guidebook for Preparing Airport Emissions Inventories for State Implementation Plans	Anticipated	In development
ACRP 02-11	A Handbook for Addressing Water Resource Issues Affecting Airport Capacity Enhancement Planning	Completed
ACRP 02-12	Environmental Optimization of Aircraft Departures: Fuel Burn, Emissions, and Noise	Completed
ACRP 02-13	A Guidebook for Improving Environmental Performance at Small Airports	Final
ACRP 02-14	Guidebook for Selecting Methods to Monitor Airport and Aircraft Deicing Materials	Final
ACRP 02-15	Recycling Strategies for the Airport Industry	Final	Results published in ACRP Report 100.
ACRP 02-16	Airport Ground Support Equipment (GSE) Emission Reduction Strategies, Inventory and Tutorial	Final
ACRP 02-17	Measuring PM Emissions from Aircraft Auxiliary Power Units, Tires and Brakes	Final	Research is complete. The results are published in ACRP Report 97.
ACRP 02-18	Guidelines for Integrating Alternative Jet Fuel into the Airport Setting	Final
ACRP 02-19	Winter Design Storm Factors for Airport Stormwater Management	Final
ACRP 02-20	The Role of Air Travel in the Transmission and Spread of Insect-borne Diseases	Final	Due to technical issues, the tool is no longer available; contact Joe Navarrete (jnavarrete@nas.edu) with questions.
ACRP 02-20A	Evaluating and Mitigating the Risk of Disease Transmission at Airports and on Aircraft	Final	The guidance document is available as ACRP Report 91.
ACRP 02-21	Evaluation of Airport Emissions within State Implementation Plans	Completed
ACRP 02-22	Incorporating Sustainability into Traditional Airport Projects	Final
ACRP 02-23	Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports	Final
ACRP 02-24	Guidelines for Airport Sound Insulation Programs	Final
ACRP 02-25	Evaluating Alternatives For Aircraft Ground Power, Heating, and Air Conditioning	Final
ACRP 02-26	Assessing Aircraft Noise Conditions Affecting Student Learning	Final
ACRP 02-27	Aircraft Taxi Noise Database for Airport Noise Modeling	Completed
ACRP 02-28	Airport Sustainability Practices: Tools for Evaluating, Measuring, and Implementing	Final	Results published in ACRP Report 119.
ACRP 02-29	Guidance for Treatment of Deicing-Impacted Airport Stormwater	Final	Guidance published as ACRP Report 99.
ACRP 02-30	Enhancing the Airport-Industry SAGA Website	Completed
ACRP 02-30A	Sustainability Website Ownership and Operation	Pending
ACRP 02-31	Assessment of Sound Insulation Treatments	Final
ACRP 02-32	Understanding Microbial Biofilms in Receiving Waters Impacted by Airport Deicing Activities	Final	Research complete. Results published as ACRP Report 115.
ACRP 02-33	Guidance for Estimating Airport Construction Emissions	Final
ACRP 02-34	Quantifying Aircraft Lead Emissions at Airports	Final
ACRP 02-35	Research Methods for Understanding Aircraft Noise Annoyance and Sleep Disturbance	Final	Results published as ACRP Web-Only Document 17.
ACRP 02-36	Assessing Opportunities for Alternative Fuel Distribution Programs	Final
ACRP 02-37	Integrated Noise Model Accuracy for General Aviation Aircraft	Final	Research complete. Results published as ACRP Web-Only Document 19.
ACRP 02-38	Guidebook for Energy Facilities Compatibility with Airports and Airspace	Final
ACRP 02-39	Applying Whole Effluent Toxicity Testing to Airport Deicing Runoff	Final	Research complete. Results published in ACRP Report 134.
ACRP 02-40	Climate Change Adaptation Planning: Risk Assessment for Airports	Completed	Results published as ACRP Report 147.
ACRP 02-41	Estimating Takeoff Thrust Settings for Airport Emissions Inventories	Final	Research completed. Results published as ACRP CD-161.
ACRP 02-42	Understanding Air Quality and Public Health Studies Related to Airports	Final	Research complete. Results published in ACRP Report 135.
ACRP 02-43	Development of a NOx Chemistry Module for EDMS/AEDT to Predict NO2 Concentrations	Final	Research complete. Results published in ACRP Web-Only Document 30.
ACRP 02-44	Helicopter Noise Modeling Guidance	Final	Research results published in ACRP Research Results Digest 24
ACRP 02-45	Methodology to Improve EDMS/AEDT Quantification of Aircraft Taxi/Idle Emissions	Final	Research complete. Results published as ACRP Web Only Document 26
ACRP 02-46	Improving Ground Support Equipment Operational Data for Airport Emissions Modeling	Final
ACRP 02-47	Assessing Aircraft Noise Conditions Affecting Student Achievement--Case Studies	Completed
ACRP 02-48	Assessing Community Annoyance of Helicopter Noise	Final	Results published in ACRP Research Report 181.
ACRP 02-49	Addressing Significant Weather Impacts on Airports	Final
ACRP 02-50	Deriving Benefits from Alternative Aircraft-Taxi Systems	Completed
ACRP 02-51	Evaluating Methods for Determining Interior Noise Levels Used in Airport Sound Insulation Programs	Final	Research complete. Results provided in ACRP Research Report 152
ACRP 02-52	Improving AEDT Noise Modeling of Hard, Soft, and Mixed Ground Surfaces	Final	Research complete. Results published in ACRP Web-Only Document 32.
ACRP 02-53	Interpreting Airport Water Monitoring Results	Completed
ACRP 02-54	Measuring and Understanding Emission Factors for General Aviation (GA) Aircraft	Final
ACRP 02-55	Enhanced AEDT Modeling of Aircraft Arrival and Departure Profiles	Final
ACRP 02-56	Developing a Business Case for Renewable Energy at Ariports	Final
ACRP 02-57	Reducing the Impact of Lead Emissions at Airports	Final
ACRP 02-58	Dispersion Modeling Guidance for Airports Addressing Local Air Quality Health Concerns	Final
ACRP 02-59	Water Efficiency Management Strategies for Airports	Final
ACRP 02-60	Use and Potential Impacts of AFFF Containing Per- and Polyfluoroalkyl Substances (PFASs) at Airports	Final	Results published in ACRP Research Report 173
ACRP 02-61	Airport Stormwater Management Electronic Resource Library and Training Materials	Final
ACRP 02-62	Green Stormwater Infrastructure Strategies for Airports	Final
ACRP 02-63	Quantifying Airport Ground Access Vehicle Activity for Emissions Modeling	Final
ACRP 02-64	Guidance for Usage of Permeable Pavement at Airports	Final
ACRP 02-65	Tracking Alternative Jet Fuel	Final
ACRP 02-66	Commercial Space Operations Noise and Sonic Boom Modeling and Analysis	Final
ACRP 02-67	Airport Air Quality Management Guidebook and Resource Library	Final
ACRP 02-68	Strategies for Reducing Local Stormwater Utility Fees for Airports	Final
ACRP 02-69	Integrating Airport Sustainability and the NEPA Process	Final
ACRP 02-70	Wetland Mitigation--A Guidebook for Airports	Completed
ACRP 02-71	Guidebook and Decision Tool for Managing Airport Stormwater Containing Deicers	Final
ACRP 02-72	Developing a Comprehensive Renewable Resources Strategy	Final
ACRP 02-73	Interactive Tool for Understanding NEPA at General Aviation Airports	Final
ACRP 02-74	Using Existing Airport Management Systems to Manage Climate Risk	Final
ACRP 02-75	Benefit-Cost Analyses Guidebook for Airport Stormwater	Final
ACRP 02-76	Optimizing the Use of Electric Pre-Conditioned Air (PCA) and Ground Power Systems at Airports	Final
ACRP 02-77	Revolving Funds for Sustainability Projects at Airports	Final
ACRP 02-78	Climate Resilience and Benefit Cost Analysis--A Handbook for Airports	Completed
ACRP 02-79	Improving AEDT Modeling for Aircraft Noise Reflection and Diffraction from Terrain and Manmade Structures	Final
ACRP 02-80	Quantifying Emissions Reductions at Airports from the Use of Alternative Jet Fuels	Final
ACRP 02-81	Commercial Space Operations Noise and Sonic Boom Measurements	Final
ACRP 02-82	Developing a Roadmap to Achieve Zero Emissions at Airports	Final
ACRP 02-83	Measuring Quality of Life in Communities Surrounding Airports	Final
ACRP 02-84	Evaluating the Use of Spatially Precise Diurnal Population Data in Aviation Noise Studies	Final
ACRP 02-85	Commercial Space Vehicle Emissions Modeling	Final
ACRP 02-86	Understanding Impacts to Airports from Temporary Flight Restrictions	Final
ACRP 02-87	Determining Airfield Pavement Deicer and Anti-Icer Contributions to Airport Stormwater	Completed
ACRP 02-88	Techniques for Modifying NextGen Flight Track Design to Reduce Noise Exposure and Annoyance	Anticipated	This project was canceled.
ACRP 02-89	A Primer and Framework for Considering an Airport Noise and Operations Monitoring System (NOMS)	Final
ACRP 02-90	Development of Airport Construction Emission Inventory Tool (ACEIT) Version 2.0	Active
ACRP 02-91	Development of PFAS Source Differentiation Guidelines for Airports	Final
ACRP 02-92	Creating Self-Directed Resiliency Plans at GA Airports	Final
ACRP 02-93	Guidebook for PFAS Management at Airports	Final
ACRP 02-94	Update ACRP WebResource 4: Airport Air Quality Resource Library	Active
ACRP 02-95	Understanding Airport Air Quality and Public Health Studies Related to Airports: An Update to ACRP Report 135	Final
ACRP 02-96	Update ACRP Report 99: Guidance for Treatment of Airport Stormwater Containing Deicers	Final
ACRP 02-97	Update to the Guidelines, Tools, and Resources Related to ACRP Reports 11, 147, and 160	Final
ACRP 02-97A	Update ACRP Report 43: Improving Environmental Performance at Small Airports	Active
ACRP 02-98	Airport Energy Resiliency Primer and Roadmap	Final
ACRP 02-99	Incorporating Environmental Justice and Equity Principles and Data into Airport Decision-Making	Completed
ACRP 03-01	Light Detection and Ranging (LIDAR) Deployment for Airport Obstructions Surveys	Final
ACRP 03-02	U.S. Airport Passenger-Related Processing Rates	Final
ACRP 03-03	Enhancing Airport Land Use Compatibility	Completed	Results published as ACRP Report 27: Volumes 1 and 2.
ACRP 03-04	Guidebook for Conducting Airport User Surveys	Final
ACRP 03-05	Passenger Level of Service and Spatial Planning for Airport Terminals	Completed
ACRP 03-06	Guidebook for Planning and Implementing Automated People Mover Systems at Airports	Completed
ACRP 03-07	A Guidebook for Measuring Performance of Automated People Mover Systems at Airports	Completed
ACRP 03-08	Passenger Air Service Development Techniques	Completed	Results published as ACRP Report 18.
ACRP 03-09	Guidebook for Strategic Planning in the Airport Industry	Completed	Results published as ACRP Report 20.
ACRP 03-10	Innovative Approaches to Addressing Aviation Capacity Issues in Coastal Mega-Regions	Final
ACRP 03-11	A Guidebook for the Preservation of Public-Use Airports	Final
ACRP 03-12	Guidebook for Preparing Peak-Period and Operational Profiles to Improve Airport Facility Planning and Environmental Analyses	Completed
ACRP 03-13	Understanding Airspace, Objects, and Their Effects on Airports	Final
ACRP 03-14	Airport Passenger Conveyance Systems Planning Guidebook	Completed
ACRP 03-15	Impact of Jet Fuel Price Uncertainty on Airport Planning and Development	Completed
ACRP 03-16	Estimating the Economic Impact of Air Cargo Operations at Airports, Part 1: User’s Guidebook and Part 2: Research Report	Completed
ACRP 03-17	Evaluating Airfield Capacity	Final
ACRP 03-18	Operational and Business Continuity Planning for Prolonged Airport Disruptions	Final
ACRP 03-19	Passenger Value of Time, Benefit-Cost Analysis, and Airport Capital Investment Decisions	Completed
ACRP 03-20	Defining and Measuring Aircraft Delay and Airport Capacity Thresholds	Final	Results published as ACRP Report 104
ACRP 03-21	Developing and Maintaining Support for New Airport Capacity	Final	The guidance document is available as ACRP Report 85.
ACRP 03-22	Addressing Uncertainty about Future Airport Activity Levels in Airport Decision Making	Final
ACRP 03-23	Integrating Aviation and Passenger Rail Planning	Final
ACRP 03-24	Guidelines for Air Cargo Facility Planning and Development	Completed
ACRP 03-25	The Impact of Regulatory Compliance Costs on Small Airports	Final
ACRP 03-26	Understanding Airline and Passenger Choice in Regions with Multiple Airports	Final	Results available in ACRP Report 98.
ACRP 03-27	Evaluating Methods for Counting Aircraft Operations at Non-Towered Airports	Final	Research complete. Results published in ACRP Report 129.
ACRP 03-28	The Role of U.S. Airports in the National Economy	Final
ACRP 03-29	Effects of Airline Industry Changes on Small- and Non-Hub Airports	Completed
ACRP 03-30	Unmanned Aircraft Systems (UAS) at Airports: A Primer	Final
ACRP 03-31	Aligning Community Expectations with Airport Roles	Final
ACRP 03-32	Guidance for Preparing and Using Airport Design Day Flight Schedules	Final
ACRP 03-33	NextGen—Airport Planning and Development	Final	Research complete. Results published as ACRP Report 150, Vol. 5
ACRP 03-34	NextGen—Understanding the Airport's Role in Performance-Based Navigation (PBN)	Completed
ACRP 03-35	Improving Airport Services for International Customers	Final
ACRP 03-36	Using Disaggregated Socioeconomic Data in Air Passenger Demand Studies	Final
ACRP 03-37	Using GIS for Collaborative Land Use Compatibility Planning Near Airports	Final
ACRP 03-38	Understanding FAA Grant Assurance Obligations	Completed
ACRP 03-39	Generating Revenue from Commercial Development On or Adjacent to Airports	Final
ACRP 03-40	Air Demand in a Dynamic Competitive Context with the Automobile	Completed
ACRP 03-41	Common Performance Metrics for Airport Infrastructure and Operational Planning	Final
ACRP 03-42	Airports and UAS	Final
ACRP 03-43	Integrating Airport Ground Access and Metropolitan Surface Transportation Planning Efforts	Final
ACRP 03-44	Building and Maintaining Air Service Through Incentive Programs	Final
ACRP 03-45	Collecting and Sharing of Operations and Safety Data	Final
ACRP 03-46	Implementing Airport Privatization: Guidance for Airport Decision Makers	Final
ACRP 03-47	Rethinking Airport Parking Facilities to Protect and Enhance Non-Aeronautical Revenue	Final
ACRP 03-48	Advanced Ground Vehicle Technologies (AGVT) for Airside Operations	Final
ACRP 03-49	Effective Collaboration to Plan and Respond to Communicable Disease Threats	Final
ACRP 03-50	An Airport-Centric Study of the Urban Air Mobility Market	Final
ACRP 03-51	Electric Aircraft on the Horizon -- An Airport Planning Perspective	Final
ACRP 03-52	Guidelines for Adapting and Managing Airport Common Use Programs	Final
ACRP 03-53	Airport Baggage Handling System Decision-Making Based on Total Cost of Ownership	Final
ACRP 03-54	Small Aircraft Runway Length Analysis Tool	Final
ACRP 03-55	Airport Biometrics--A Primer	Final
ACRP 03-56	Airside Planning, Design, Construction, Operations, and Maintenance: WebResource	Completed
ACRP 03-57	A Guidebook to Prepare Airports for Transformations in Wireless Connectivity	Completed
ACRP 03-58	Measuring and Understanding the Relationship Between Air Service and Regional Economic Development	Final
ACRP 03-59	Strategies to Address Homelessness at Airports	Final
ACRP 03-60	Incorporating Shock Events into Aviation Demand Forecasting and Airport Planning	Completed
ACRP 03-61	Implementing and Improving Data Analytics Capabilities at Airports	Completed
ACRP 03-62	A Toolkit for Establishing Airport Catchment Areas	Final
ACRP 03-63	Modernizing Air Cargo Operations in U.S. Airports	Anticipated
ACRP 03-63A	Modernizing Air Cargo Operations in U.S. Airports	Active
ACRP 03-65	ACRP Policy and Planning Product Updates	Final
ACRP 03-65B	ACRP Policy and Planning Products Update – PHASE II	Pending
ACRP 03-66	Guidebook for Digital Twin Programs at Airports	Active
ACRP 03-67	Guidelines for Accommodating Peer-to-Peer Car Sharing at Airports	Completed
ACRP 03-68	Integration of Contingency Planning for Small Airports	Final
ACRP 03-69	Identifying Congestion and Safety Risks Due to Heterogeneous Airport Curbside Activity and Remedial Solutions	Completed	This project was canceled.
ACRP 03-70	Incorporating Technologies into Airport In-Terminal Concession Programs	Active
ACRP 03-71	Guidance for Planning for Future Electric Vehicle Growth at Airports	Active
ACRP 03-72	A Guide on the Economic Impacts of E-Commerce on Airports and Airport Stakeholders	Active
ACRP 03-73	Airport Guide for Transitioning to Unleaded Aviation Gasoline	Active
ACRP 03-74	ACRP Web Resource for Airport User Choice Modeling and Analysis	Active
ACRP 03-75	Preparing for Hydrogen at Airports	Active
ACRP 03-76	Improving Airport Customer Experience Through Technology	Active
ACRP 03-77	Incorporating Climate Change into Aviation Forecasts	Pending
ACRP 03-78	Rental Car Fleet Electrification Guide for Airports	RFP
ACRP 03-79	A Guide to IoT Planning and Implementation for Airports	RFP
ACRP 03-80	Guide for Developing Airport Air Cargo System Plans	Anticipated	In development
ACRP 04-01	Aircraft Overrun and Undershoot Analysis for Runway Safety Areas	Completed	Results published as ACRP Report 3.
ACRP 04-02	Lightning-Warning Systems for Use by Airports	Completed
ACRP 04-03	Guidebook for Approach Light System Hazard Assessment and Mitigation	Final
ACRP 04-04	Exercising Command-Level Decision Making for Critical Incidents at Airports	Completed
ACRP 04-04A	Evaluating the Airport Emergency Response Operations Simulation (AEROS) Tool	Completed
ACRP 04-04B	Emergency Management Training for Airport Critical Incidents	Final
ACRP 04-05	A Guidebook for Airport Safety Management Systems	Completed	Results published as ACRP Report 1.
ACRP 04-06	A Guidebook for Addressing Aircraft/Wildlife Hazards at General Aviation Airports	Final
ACRP 04-07	Comparison of Airport Apron Management and Control Programs With and Without Regulatory Oversight	Completed	Results published in ACRP Report 62 and Research Results Digest 15.
ACRP 04-08	Improved Models for Risk Assessment of Runway Safety Areas (RSA)	Final
ACRP 04-09	Risk Assessment Method to Support Modification of Airfield Separation Standards	Final
ACRP 04-10	Airport-to-Airport Mutual Aid Programs	Final
ACRP 04-11	Integrating GIS in Emergency Management at Airports	Final
ACRP 04-12	Integrating Web-Based Emergency Management Collaboration Tools into Airport Operations: A Primer	Final
ACRP 04-13	Integrating Community Emergency Response Teams at Airports (A-CERTs)	Final
ACRP 04-14	Runway Veer-off Location Distribution Risk Assessment Model	Final	The final version of the tool, user guidelines, and technical report are available at the following link: http://www.trb.org/ACRP/Blurbs/170535.aspx.
ACRP 04-15	A Tool for Developing Airport Terminal Incident Response Plans	Final
ACRP 04-16	Safety Risk Management for Airports	Final
ACRP 04-17	Applying an SMS Approach to Wildlife Hazard Management	Final
ACRP 04-18	Runway Protection Zone (RPZ) Risk Assessment Tool	Final
ACRP 04-19	Airport Emergency Planning Template: NIMS - Incident Command System Compliance	Final
ACRP 04-20	Design Considerations for Airport EOCs	Final
ACRP 04-21	Emergency Communication Models for Persons with Disabilities and Non-English Speakers	Final
ACRP 04-22	Evaluating Compatibility Zoning at General Aviation Airports	Final
ACRP 04-23	Social Media Guidebook for Emergency Management	Final
ACRP 04-24	Guidelines to Develop an Anti-Human Trafficking Action Plan for Airports	Final
ACRP 04-25	Airports and Communicable Diseases—Preparedness and Response	Active
ACRP 04-26	Uncontrolled Terminal Evacuations: Planning, Response, and Recovery	Active
ACRP 04-27	Alternative Methods to Manage Tree Growth Near Airports	Final
ACRP 04-28	Developing Alternative Aircraft Arresting Systems	Active
ACRP 04-29	Transportation Emergency Response Appication (TERA): Migration Options Beyond 2020	Anticipated
ACRP 04-30	Identifying and Developing the Core Capabilities of an Airport Emergency Management Program	Active
ACRP 04-31	Providing Adequate and Balanced Trainer Facilities for Required and Recurrent Training for Airport Firefighters	Anticipated	In development
ACRP 04-32	Using Existing and Emerging Technologies to Identify and Mitigate Human Trafficking at Airports	Active
ACRP 04-33	Guide for Measuring Financial Benefits of Airport Safety Management Systems	Active
ACRP 04-34	A Guide for Building, Maintaining, and Improving ARFF Programs	Pending
ACRP 04-35	Safety Criteria for Use of Autonomous Service Vehicles on Airfields	Anticipated	In development
ACRP 05-01	An Airport Guide for Regional Emergency Planning for CBRNE Events	Completed
ACRP 05-02	Airport Cyber Security Best Practices	Final
ACRP 05-03	Guidebook on Airport Cybersecurity and Incident Response	Active
ACRP 06-01	Helping Airport and Air Carrier Employees Cope with Traumatic Events	Final
ACRP 06-02	Airport Leadership Development Program	Final	Results published in ACRP Report 75.
ACRP 06-03	Establishing a Coordinated Local Family Assistance Program for Airports	Final
ACRP 06-04	Identifying and Evaluating Airport Workforce Requirements	Completed
ACRP 06-05	Guidance for Diversity in Airport Businesses Contracting and Workforce Programs	Final
ACRP 06-06	Cultivating Talent in the Airport Environment	Final
ACRP 06-07	Enhancing Academic Programs to Prepare Future Airport Industry Professionals	Final
ACRP 06-08	Human Factors in Airport Airside Operations	Final
ACRP 06-09	Equitable Workforce Outcomes: A Study of Women and Minority Representation at Airports	Active
ACRP 06-10	Enhancing Airport Workforce Efficiency through Automation	Active
ACRP 06-11	Nontraditional Practices to Support the Airport Workforce	RFP
ACRP 07-01	Innovations for Airport Terminal Facilities	Completed	Results published as ACRP Report 10.
ACRP 07-02	Airport Curbside and Terminal-Area Roadway Operations	Final
ACRP 07-03	Developing Improved Civil Aircraft Arresting Systems	Final
ACRP 07-04	Spreadsheet Models for Airport Terminal Planning and Design	Final
ACRP 07-05	Airport Passenger Terminal Planning Guidebook	Final
ACRP 07-06	Wayfinding and Signing Guidelines for Airport Terminals and Landside	Final
ACRP 07-07	Evaluating Terminal Renewal versus Replacement Options	Final
ACRP 07-08	Improving Terminal Design to Increase Revenue Generation Related to Customer Satisfaction	Final
ACRP 07-09	Apron Planning and Design Guidebook	Final
ACRP 07-10	General Aviation Facility Planning	Final	Results published as ACRP Report 113
ACRP 07-11	Evaluating Cost-Saving and Energy Reduction Technologies for Escalators and Moving Walks at Airports	Final	Research complete and published ast ACRP Report 117.
ACRP 07-12	Guidebook for Airport Terminal Restroom Planning and Design	Final	Complete. Results published in ACRP Report 130.
ACRP 07-13	Enhancing Airport Wayfinding for Aging Travelers and Persons with Disabilities	Final
ACRP 07-14	Improving Intelligibility of Airport Terminal Public-Address Systems	Final
ACRP 07-15	Airport Passenger Terminal Design Library	Final
ACRP 07-15A	Airport Passenger Terminal Design Library—UPDATE to ACRP WebResources 2	Completed
ACRP 07-16	Airport Terminal Ancillary Service Spaces and Restroom Planning and Design	Final
ACRP 07-17	Update to ACRP Report 40: Airport Roadway Analysis and Curbside Congestion Management Strategies	Final
ACRP 07-18	Develop Airfield Design Guidelines for Large Unmanned Aerial Systems (UAS)	Completed
ACRP 07-19	Update to ACRP Report 25: Airport Passenger Terminal Planning and Design	Active
ACRP 07-20	Reducing and Managing Disruptive and Unruly Behavior in Airports	Active
ACRP 07-21	Exploring Cellular-Based Private Wireless Networks for the U.S. Aviation Industry	Completed
ACRP 07-22	Improving Accessibility and Airport Experience for Neurodivergent Individuals and Individuals with Dementia-Related Conditions	Active
ACRP 07-23	Safety, Empowerment, and Dignity: Improving the Airport Journey of Customers Using Wheelchairs	Active
ACRP 07-24	Airport Security Checkpoint Demand Management Using Virtual Queuing	Active
ACRP 07-25	Value Engineering Applied to Airports	Pending	In development
ACRP 07-26	Extended Reality Possibilities in the Airport Environment	Pending
ACRP 07-27	Seismic Resiliency Guidelines for Horizontal Airside Infrastructure	Pending
ACRP 07-28	Incorporating Technological Advancements in Airport Baggage Handling Systems	Anticipated	In development
ACRP 08-01	Sustainable Airport Construction Practices	Final
ACRP 08-02	Integrating Collaborative Partnering for Airport Projects	Final
ACRP 08-03	Construction Safety and Phasing Plans	Completed
ACRP 08-04	A Blueprint for Incorporating ORAT into Airports	Active
ACRP 08-05	Review and Recommend Updates to ACRP Airport Design and Construction Products	RFP
ACRP 09-01	Guidelines for the Collection and Use of Geospatially Referenced Data for Airfield Pavement Management	Completed
ACRP 09-02	Best Practices for Working in or Near Airport Movement Areas	Final
ACRP 09-03	Airport Parking Garage Lighting Solutions	Final	Research complete. Results published as ACRP Report 124.
ACRP 09-04	Airport Building Operations and Maintenance (O&M) Optimization and Recommissioning: A Whole-Systems Approach	Final	Research results published in ACRP Report 139.
ACRP 09-05	Guidance on Successful Computer Maintenance Management Systems (CMMS) Selection and Practices	Final
ACRP 09-06	Evaluating Impacts of Sustainability Practices on Airport Operations and Maintenance	Final
ACRP 09-07	Airport Maintenance Roles in Planning, Design, Construction, Commissioning, and Activation	Completed
ACRP 09-08	Balancing Airport Stormwater and Wildlife Hazard Management: Analysis Tools and Guidance	Final	Research is complete. Results published in ACRP Report 125.
ACRP 09-09	LED Airfield Lighting System Operation and Maintenance	Final	Research complete. Results published in ACRP Report 148.
ACRP 09-10	Benchmarking and Profiling Airport Terminal Energy End Uses	Final
ACRP 09-11	Pavement Maintenance Guidelines for General Aviation Airport Management	Final
ACRP 09-12	NextGen—Leveraging NextGen Spatial Data to Benefit Airports	Final
ACRP 09-13	Considering Life Cycle Costs in Airport Asset Procurement	Final
ACRP 09-14	Advanced Computer Maintenance Management System (CMMS) Integration for Airports	Final
ACRP 09-15	Building Information Modeling (BIM) Beyond Design	Final
ACRP 09-16	Best Practices for Airport Obstruction Management	Final
ACRP 09-17	Collecting, Applying, and Maintaining Pavement Condition Data at Airports	Final
ACRP 09-18	Rapid Airfield Concrete Pavement Slab Replacement and Patching Guidance	Final
ACRP 09-19	Airfield Pavement Markings - Effective Techniques for Removal and Temporary Applications	Final
ACRP 09-20	Quantifying the Impacts of Delayed Maintenance of Airport Assets	Completed
ACRP 09-21	Asset Information Handover Guidelines: From Planning and Construction to O&M	Final
ACRP 09-22	Guidance for Small Airports on Safe Maintenance of Airfield Electrical Systems	Completed
ACRP 09-23	Strategies for Spatial Data Maintenance at Airports	Pending
ACRP 10-01	Optimizing the Use of Aircraft Deicing and Anti-Icing Fluids	Completed	The project final report is available as ACRP Report 45.
ACRP 10-02	Planning Guide for Offsite Terminals	Completed	Results published as ACRP Report 35.
ACRP 10-03	Evaluating Airport Parking Strategies and Supporting Technologies	Final
ACRP 10-04	Airports and the Newest Generation of General Aviation Aircraft	Final
ACRP 10-05	Understanding Common-Use Approaches at Airports	Final
ACRP 10-06	A Handbook to Assess Impacts of Constrained Airport Parking	Final
ACRP 10-07	Decision-Making Tool for Evaluating Passenger Self-tagging	Final
ACRP 10-08	Guidebook for Implementing Intelligent Transportation Systems Elements to Improve Airport Traveler Access Information	Completed
ACRP 10-09	Elimination or REduction of Baggage Recheck for Arriving International Passengers	Final
ACRP 10-10	Guidebook for Airport Irregular Operations (IROPS) Contingency Planning	Final
ACRP 10-11	Creating a Collaborative Environment Between Airport Operations and Maintenance Departments	Final
ACRP 10-12	Guidebook for Managing Through-the-Fence (TTF) Operations	Final
ACRP 10-13	Integrating NIMS for Personnel and Resources at Airports	Final
ACRP 10-14	Being Prepared for IROPS: A Business Planning and Decision-Making Approach	Final
ACRP 10-15	A Guidebook for Airport Winter Operations	Final
ACRP 10-16	Commercial Ground Transportation at Airports: Best Practices	Final
ACRP 10-17	Implementing Integrated Self-Service at Airports	Final
ACRP 10-18	Guidebook on Preventative Maintenance at General Aviation Airports	Final
ACRP 10-19	Advancing Collaborative Decision Making (CDM) at Airports	Final
ACRP 10-20	Guidance for Planning, Design, and Operations of Airport Communications	Final
ACRP 10-21	Complying with Federal Regulations: An Integrated Approach	Final
ACRP 10-22	Improving Stakeholder Engagement in Aircraft Accident Planning	Final
ACRP 10-23	IROPS Stakeholder Communication and Coordination	Final
ACRP 10-24	Guidance for Developing Ramp Control Facilities	Final
ACRP 10-25	Public-Notification Programs at Airports	Final	Research is complete and published as ACRP Research Report 170.
ACRP 10-26	Airport Microgrid Implementation Toolkit	Final
ACRP 10-27	Airport Collaborative Decision Making (ACDM) to Manage Adverse Conditions	Final
ACRP 10-28	Practical Guide for Integrating Crisis Management and Business Continuity	Completed
ACRP 10-29	Aircraft Jet Blast Estimation Tool	Active
ACRP 10-30	Program Evaluation Report Card Tool for Wildlife Hazard Management Plans: User Guide	Final
ACRP 10-31	Guidebook for Virtual Airport Ramp Control Operations Facilities	Final
ACRP 10-32	U.S. Airport Industry Adoption of Automated Ground Vehicle Systems	Active
ACRP 10-33	Incorporating Emerging Transportation and Ground Access Technologies at Airports	Completed
ACRP 10-34	Migrating ACRP Research Report 228 Toolkit to an ACRP WebResource	Final
ACRP 10-35	Readiness and Feasibility of Automatic Dependent Surveillance-Broadcast (ADS-B) Data for Airport Use Cases	Active
ACRP 10-36	Review and Update of ACRP Products Related to Airport Operations	Pending
ACRP 10-37	Boarding Passengers with Reduced Mobility onto Commercial Aircraft without Passenger Boarding Bridges	RFP
ACRP 11-01	Legal Aspects of Airport Programs	Active
ACRP 11-01/Topic 01-01	Compilation of Digest-Parts 13 and 16 Determinations and Related Documents	Final	Results published in ACRP Legal Research Digest 4.
ACRP 11-01/Topic 01-02	Theory and Law of Airport Revenue Diversion	Final	Results published in ACRP Legal Research Digest 2.
ACRP 11-01/Topic 01-03	Compilation/List of Airport Law Resources	Final	Results published in ACRP Legal Research Digest 1.
ACRP 11-01/Topic 01-04	Survey of Airport Laws and Regulation of Commercial Ground Transportation	Final	Results published in ACRP Legal Research Digest 3.
ACRP 11-01/Topic 01-05	Responsibilities for Implementation and Enforcement of Airport Land-Use Zoning Restrictions	Final	Results published in ACRP Legal Research Digest 5.
ACRP 11-01/Topic 01-06	Who is the Owner or Operator for Purposes of the Right to Self-fuel?	Final	Results published in ACRP Legal Research Digest 8.
ACRP 11-01/Topic 01-07	The Impact of Airlines Bankruptcies on Airports	Final
ACRP 11-01/Topic 01-08	The Law and Regulations of Airport Ownership	Final
ACRP 11-01/Topic 01-09	Survey of the Elements of Disparity Studies for Airport Disadvantaged Business Enterprise Programs.	Final	This project has been terminated.
ACRP 11-01/Topic 02-01	Obstructions Affecting Navigatable Airspace	Final	Study topics 2-01 and 02 merged and renamed and became Study Topic 2-05.
ACRP 11-01/Topic 02-02	Use and Success of Avigation Easements and Other Tools for Airport Compatible Land Use and Development of Model Language	Final	Study topics 2-01 and 02 merged and renamed and became Study Topic 2-05.
ACRP 11-01/Topic 02-03	Case Studies on Community Challenges to Airport Development	Final	Results published in ACRP Legal Research Digest 9.
ACRP 11-01/Topic 02-04	Analysis of Federal Laws, Regulations and Case Law Regarding Airport Proprietary Rights	Final	Results published in ACRP Legal Research Digest 10.
ACRP 11-01/Topic 02-05	Practices to Achieve Airport Compatible Land Uses and Minimize Obstructions in Navigable Airspace	Final	Results published in ACRP Legal Research Digest 14.
ACRP 11-01/Topic 03-01	Fair Disclosure of Airport Impacts in Real Estate Transfers	Final	Results published in ACRP Legal Research Digest 12.
ACRP 11-01/Topic 03-02	Compilation of State Aviation Authorizing Legislation	Final	Results published in ACRP Legal Research Digest 15.
ACRP 11-01/Topic 03-03	Survey of Minimum Standards Commercial Aeronautical Activities at Airports	Final	Results published in ACRP Legal Research Digest 11.
ACRP 11-01/Topic 03-04	Airport Rates and Charges: Law and Policy	Completed	Status: The 11 decisions (including interim and procedural orders from the cases) will be combined with findings from Study Topic 11-01, 4-05, Compilation of DOT AND FAA Airport Legal Determinations and Opinion Letters, Through December 2011 ).
ACRP 11-01/Topic 03-05	State and Federal Regulations That May Affect Initiatives to Reduce Airports' GHG Emissions	Final	Results published in ACRP Legal Research Digest 17.
ACRP 11-01/Topic 03-06	An Index and Digest of Decisions in LRD 1	Final	Results published in ACRP Legal Research Digest 13.
ACRP 11-01/Topic 04-01	Airport Liability for Wildlife Management	Final
ACRP 11-01/Topic 04-02	Legal Issues Related to Developing SMS and SMRD Documents Which May be Available to the Public	Final
ACRP 11-01/Topic 04-03	Analysis of Federal Laws, Regulations, Case Law, and Survey of Existing Airport NPDES Permits Regarding Tenant-Operator Responsibilities Under NPDES and Storm Water Management BMPs Under Owner/Airport's Operating Permits	Final
ACRP 11-01/Topic 04-04	Buy America Requirements for Federally Funded Airports	Final
ACRP 11-01/Topic 04-05	Compilation of DOT and FAA Airport Legal Determinations and Opinion Letters, through December 2011	Final
ACRP 11-01/Topic 04-06	The Role of the Airport Sponsor in Airport Planning and Environmental Reviews of Proposed Development Projects Under the National Environmental Policy Act (NEPA) and State Mini-NEPA Laws	Final
ACRP 11-01/Topic 04-07	Procurement of Airport Development and Planning Contracts	Final
ACRP 11-01/Topic 05-01	Regulations Affecting the Exercise of First Amendment Activities at Airports	Final
ACRP 11-01/Topic 05-02	Sovereign Immunity for Public Airport Operators	Final
ACRP 11-01/Topic 05-03	The Fourth Amendment and Airports	Final
ACRP 11-01/Topic 05-04	A Guide for Compliance with Grant Agreement Obligations to Provide Reasonable Access to an AIP-Funded Public Use General Aviation Airport	Final
ACRP 11-01/Topic 06-01	Operational and Legal Issues with Fuel Farms	Final
ACRP 11-01/Topic 06-02	Contract Risk Management for Airport Agreements	Final
ACRP 11-01/Topic 07-01	Impact of Firearms Laws on Airports	Final
ACRP 11-01/Topic 07-02	Preemption of Worker Retention and Labor Peace Agreements at Airports	Final
ACRP 11-01/Topic 08-01	Legal Issues Related to the Implementation and Operation of Safety Management Systems for Airports	Final
ACRP 11-01/Topic 08-02	Legal Risks of Operating a Public Airport	Final
ACRP 11-01/Topic 08-03	Evolving Law on Airport Implications by Unmanned Aerial Systems Operations	Final
ACRP 11-01/Topic 08-04	Legal Consideration in the Funding and Development of Multi-Modal Facilities	Final
ACRP 11-01/Topic 09-01	Airport Public Health Preparedness & Response: Legal Rights, Powers & Duties	Final
ACRP 11-01/Topic 09-02	Legal Issues Relating to Airports Promoting Competition	Final
ACRP 11-01/Topic 09-03	Permitted Airport Involvement in Economic Development Efforts	Active
ACRP 11-01/Topic 10-01	Update of Compilation of FAA/DOT Airport Legal Determinations	Active
ACRP 11-01/Topic 10-01A	Update of Compilation of FAA/DOT Airport Legal Determinations	Pending
ACRP 11-01/Topic 10-02	Legal Issues Relating to Large Scale Airport Construction Projects	Final
ACRP 11-01/Topic 10-03	Legal Issues Relating to Airport Commercial Contracts	Final
ACRP 11-01/Topic 10-04	Updated Survey of Laws and Regulations Applicable to Airport Commercial Ground Transportation	Final
ACRP 11-01/Topic 11-01	Permissible Uses of Airport Revenue and Property	Final
ACRP 11-01/Topic 11-02	Accommodation of Federal Agencies – Rights and Obligations of Host Airports	Pending
ACRP 11-01/Topic 11-03	Analysis of Laws, Regulations, and Case Laws Regarding Airport Customer Facility Charges	Final
ACRP 11-01/Topic 12-01	Legal Implications of Data Collection at Airports	Final
ACRP 11-01/Topic 12-02	Legal Considerations for General Aviation (GA) Development at Airports	Final
ACRP 11-01/Topic 13-01	Legal Considerations for Telecommunications at Airports	Final
ACRP 11-01/Topic 14-01	Legal Considerations for Airports Responding to Pandemics	Final
ACRP 11-01/Topic 15-01	Accommodating Federal Agencies at Airports and Related Contractual Concerns	Completed
ACRP 11-01/Topic 15-02	Legal Issues Concerning the Safety and Security of General Aviation Airports	Active
ACRP 11-01/Topic 15-03	Legal Impacts to Airports from State Legalization of Marijuana	Completed
ACRP 11-01/Topic 15-04		Anticipated
ACRP 11-01/Topic 16-01	Update to ACRP Legal Research Digest 18: Buy America Requirements for Federally Funded Airports	Active
ACRP 11-01/Topic 16-02	Legal Issues Regarding Airport Congestion Management	Pending
ACRP 11-02	Priority Issues	Active	Continuing project.
ACRP 11-02/Task 01	Model for Improving Energy Use in U.S. Airport Facilities	Completed	Results published as Research Results Digest 2.
ACRP 11-02/Task 02	Ground Access to Major Airports by Public Transportation	Completed	Results published as ACRP Report 4.
ACRP 11-02/Task 03	Improving Stabilization and Use of Aircraft Evacuation Slides at Airports	Completed
ACRP 11-02/Task 04	Overview of Airport Safety Management Systems - Definitions and Status	Completed
ACRP 11-02/Task 05	Quarantine Facilities for Arriving Air Travelers: Identification of Planning Needs and Costs	Completed
ACRP 11-02/Task 06	Interagency - Aviation Industry Collaboration on Planning for Pandemic Outbreaks	Completed	Rapporteur - Katherine F. Turnbull, Texas Transportation Institute
ACRP 11-02/Task 07	Strategic Process for Developing ACRP Research Problem Statements	Completed	Results published as Research Results Digest 5.
ACRP 11-02/Task 08	Enhanced Modeling of Aircraft Taxiway Noise - Scoping	Final
ACRP 11-02/Task 09	Visibility of Airfield Signs and Markings from Aircraft and Ground Vehicles	Final
ACRP 11-02/Task 10	Estimate of National Use of Aircraft and Airfield Deicing Materials	Completed	Results available for download from the TRB website.
ACRP 11-02/Task 11	How Proposed Firefighting Standards Would Impact Airports	Final
ACRP 11-02/Task 12	Ramp Incident Data from Selected Large and Medium Hub Airports	Completed	Data has been delivered to the FAA and is available to others upon request.
ACRP 11-02/Task 13	Symposium on the Tranmission of Disease at Airports and on Aircraft	Completed
ACRP 11-02/Task 14	Helping Airports Understand the Payment Card Industry Data Protection Standard (PCI DSS)	Final
ACRP 11-02/Task 15	Aviation-Industry Issue Familiarization and Training for Part-time Airport Policymakers	Completed	Results published as ACRP Report 58.
ACRP 11-02/Task 16	Analysis, Scoping, and Prioritizing ACRP Deicing Problem Statements	Final	This project has been cancelled.
ACRP 11-02/Task 17	Risk Assessment of Proposed ARFF Standards	Final
ACRP 11-02/Task 18	The Carbon Market: A Primer for Airports	Final
ACRP 11-02/Task 19	Symposium on Air Travel and the Spread of Disease	Final
ACRP 11-02/Task 20	Developing Problem Statements on Information Technology Issues at Airports	Final
ACRP 11-02/Task 21	Innovative Airport Responses to Threatened/Endangered Species	Final	Research complete. Results published in ACRP Report 122.
ACRP 11-02/Task 22	Best Practices for General Aviation Aircraft Fuel-Tank Sampling	Final
ACRP 11-02/Task 23	Alternative IT Delivery Methods and Best Practices for Small Airports	Final
ACRP 11-02/Task 24	ACRP Digital Delivery Format Options	Completed	Results available for download from the TRB website.
ACRP 11-02/Task 26	ACRP Strategic Plan	Final	Results are available for download from the TRB website
ACRP 11-02/Task 27	Update to Models for Risk Assessment of Runway Safety Areas	Final
ACRP 11-02/Task 28	Recovering International Recyclables from In-flight Service	Final
ACRP 11-02/Task 29	Research Roadmap in the Area of Airport Operations and Maintenance	Final
ACRP 11-02/Task 30	Research Roadmap in the Area of Design and Construction of Airport Facilities and Infrastructure	Active
ACRP 11-02/Task 32	Airport Environmental Research Roadmap	Final
ACRP 11-02/Task 33	Research Roadmap on Policy and Planning Issues	Final
ACRP 11-02/Task 35	Research Roadmap on Administration & Human Resource Issues	Final
ACRP 11-02/Task 36	Research Roadmap on Safety Issues	Final
ACRP 11-02/Task 37	Periodic Report on Transformative Technology at Airports	Active
ACRP 11-02/Task 40	Quick Response: Primer for Airport Organizational Redesign	Final
ACRP 11-02/Task 41	Toward a Touchless Airport Journey	Completed
ACRP 11-02/Task 43	Successful Community Inclusion in Advanced Air Mobility	Final
ACRP 11-02/Task 44	Developing an Airport Communicable Disease Response Plan Template	Completed
ACRP 11-03	Synthesis of Information Related to Airport Practices	Active
ACRP 11-04	Graduate Research Award Program on Public-Sector Aviation Issues	Anticipated	In development
ACRP 11-04B	ACRP Academic Engagement Programs	Pending
ACRP 11-04C	ACRP Academic Programs – Secondary Education Opportunities	Active
ACRP 11-05	Tactical Initiatives from the ACRP Strategic Plan	Active	Continuing project.
ACRP 11-05/Task 4	ACRP Problem Statement Process Assessment and Recommendations	Active
ACRP 11-08 (25-01)	ACRP Insight Event: Exploring the Impact of Artificial Intelligence on the Airport Industry	Pending
ACRP 11-08(16-01)	Forum on Challenges to Implementing Successful Land Use Strategies at Airports	Final
ACRP 11-08(16-02)	Forum on Economic and Social Sustainability at Airports	Final
ACRP 11-08(16-03)	Forum on Airport Roles in Reducing Transmission of Communicable Diseases	Final
ACRP 11-08(16-04)	Public Private Partnerships - What Are the Lessons Learned?	Final
ACRP 11-08(19-01)	Introduction to Blockchain and Airport Operations	Final
ACRP 11-08(20-01)	ACRP Insight Event--Future of Aviation	Final
ACRP 11-08(20-02)	ACRP Insight Event--On-Demand Aviation Services for Mobility, Logistics, Emergency Response, and Humanitarian Use Cases	Final
ACRP 11-08(21-01)	ACRP Insight Event--Future of Airport Finances	Active
ACRP 11-08(21-02)	ACRP Insight Event--Issues on Systemic Racism	Final
ACRP 11-08(24-01)	ACRP Insight Event--Modernization of FIS Facilities at International Airports	Pending
ACRP 11-08(24-02)	ACRP Insight Event - Improving Extreme Weather Resiliency of Airport Infrastructure	Active
ACRP 11-08(24-03)	ACRP Insight Event – Airport Energy Resiliency	Active
ACRP 11-09/Topic 01	Impact of New Corporate Environmental Standards Impact Airports	Final
ACRP 11-09/Topic 02	ACRP First Look: Understanding Impacts of Tire Anti-degradants 6PPD and 6PPD-Quinone at Airports	Anticipated	In development
ACRP 11-11	Facilitating Implementation of ACRP Products	Anticipated
ACRP 11-11/Task 01	Knowledge Transfer of Lessons Learned From ACRP Product Implementation	Active
ACRP 11-12/Task 01	Review ACRP Website	Pending
ACRP 11-12/Task 02	Dissemination of Research Results	Pending
ACRP Synthesis 11-03/Topic S01-01	Innovative Finance and Alternative Sources of Revenue for Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-02	Airport Economic Development Opportunities and Incentives	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-03	Airport Insurance Coverage and Risk Management Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-04	Airline and Airport-Airline Consortiums to Manage Terminals and Equipment	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-05	Airport Organization	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-06	How Airports Measure Customer Service Performance	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-07	Conducting Airport Peer Reviews	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-08	Understanding the Value of Social Media at Airports for Customer Engagement	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-09	Practices to Develop Effective Stakeholder Relationships at Smaller Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-10	Strategies for Maintaining Air Service	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-11	Continuity of Operations Planning for Small Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-12	Airport Participation in Oil & Gas Development	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-13	Food and Beverage and Retail Operators: The Costs of Doing Business at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-14	Funding Industrial Aviation	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-15	Airport Operator Options for Delivery of FBO Services	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-16	Microgrids and their Application for Airports and Public Transit	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-17	Attracting Investment at General Aviation Airports Through Public-Private Partnerships	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-18	Value, Benefits, and Limitations of Qualifications Based Selection (QBS) for Airport Project Delivery	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-19	Airport Risk Identification and Prioritization Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-20	Compilation of Data on the State of FBOs	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-21	Successful Arts Programs at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-22	Last Mile in General Aviation - Courtesy Vehicles and other forms of Ground Transportation	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-23	Airport Software Solutions and Services Sourcing	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-24	Examples of Airports Providing Facility Space for Community Use	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-25	Airport Parking Pricing Strategies	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-26	The Landscape of the FBO Industry in 2022	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-27	State of Airport Loyalty Programs	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-28	Methods of Airport Arts Program Management	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-29	Airport Practices for Onboarding a New Passenger Airline	Final (Synthesis)
ACRP Synthesis 11-03/Topic S01-30	Beyond ADA: Exceeding Airport Accessibility Requirements	Active (Synthesis)
ACRP Synthesis 11-03/Topic S01-31	Airport Practices for Building Program and Project Teams	New
ACRP Synthesis 11-03/Topic S01-32	State of Airport Lounges	New
ACRP Synthesis 11-03/Topic S02-01	Effects of Aircraft Noise	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-02	Sustainable Facilities and Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-03	A Compilation of Airport Noise Programs in Areas Outside DNL 65	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-04	Approaches to Integrating Airport Development and Federal Environmental Review Processes	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-05	Strategies and Financing Opportunities for Airport Environmental Programs	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-06	Airport Climate Adaptation and Resilience	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-07	Integrating Environmental Sustainability into Airport Contracts	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-08	Environmental Assessment of Air and High Speed Rail Corridors	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-09	Airport Environmental Management System Development Processes	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-10	Outcomes of Green Initiatives: Large Airports Experience	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-11	Lessons Learned from Airport Sustainability Plans	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-12	Airport Sustainability Practices-Drivers and Outcomes for Small Commercial and General Aviation Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-13	Helicopter Noise Information for Airports and Communities	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-14	Airport Sustainability Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-15	Alternative Fuels in Airport Fleets	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-16	Airport Community, Water Quality Events, and the Aircraft Drinking Water Rule	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-17	Sustainability’s Role in Enhancing Airport Capacity	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-18	Airport Waste Management and Recycling Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-19	Clean Vehicles, Fuels, and Practices for Airport Private Ground Transportation Providers	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-20	Lessons Learned from Airport Greenhouse Gas Reduction Efforts	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-21	Practices in Airport Renewable Energy Projects	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-22	Airport Programs that Reduce Landside Vehicle Carbon Emissions	Final (Synthesis)
ACRP Synthesis 11-03/Topic S02-23	Electric Vehicle Charging Stations at Airport Passenger Parking Facilities	Active (Synthesis)
ACRP Synthesis 11-03/Topic S03-01	Airport Aviation Activity Forecasting	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-02	Airport Access Mode Choice Models	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-03	Airport Economic Impact Methods and Models	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-04	Airport System Planning Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-05	Effective Practices for Preparting Airport Improvement Program (AIP) Benefit-Cost Analysis	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-06	Strategies for Re-use of Underutilized or Vacant Airport Facilities	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-07	Integrating Airport GIS Data with Public Agency GIS	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-08	Backcountry Airstrip Preservation	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-09	Cell Phone Lots at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-10	Practices in Preserving and Developing Public-Use Seaplane Bases	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-11	Transportation Network Companies: Challenges and Opportunities for Airport Operators	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-12	Preparing Airports for Communicable Diseases on Arriving Flights	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-13	Estimating Truck Trip Generation for Airport Air Cargo Activity	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-14	Simulation Options for Airport Planning	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-15	How Airports Plan for Changing Aircraft Capacity-the Effects of Upgauging	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-16	Project Prioritization and Selection Processes for State Aviation Funding	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-17	Airport Centric Advanced Air Mobility Market Study	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-18	Communication, Implementation, and Outcomes of Airport Economic Impact Studies	Final (Synthesis)
ACRP Synthesis 11-03/Topic S03-19	Airport Parking Reservation Systems and Techniques	Active (Synthesis)
ACRP Synthesis 11-03/Topic S03-20	ACRP Synthesis: Integrating Advanced Air Mobility into State and Regional Airport System Plans	New
ACRP Synthesis 11-03/Topic S03-21	ACRP Synthesis: Airport Wildland Fire Mitigation and Critical Infrastructure Mapping for Response	New
ACRP Synthesis 11-03/Topic S04-01	General Aviation Safety and Security Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-02	Preventing Vehicle-Aircraft Incidents During Winter Operations and Periods of Low Visibility	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-03	Identification of the Requirements and Training to Obtain Driving Privileges on Airfields	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-05	Bird Harassment, Repellent, and Deterrent Techniques on Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-06	Current Airport Inspection Practices Regarding FOD/Wildlife Hazards	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-07	Lessons Learned from Airport Safety Management Systems Pilot Study	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-08	Managing Aerial Firefighting Activities on Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-09	Model Mutual Aid Agreements for Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-10	Safety Reporting Systems at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-11	Effective Cooperation among Airports and Local and Regional Emergency Management Agencies for Disaster Preparedness and Response	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-12	Airport Emergency Post-event Recovery Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-13	Combining Mixed Use Flight Operations Safely at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-14	Airport Safety Risk Management Panel Activities and Outcomes	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-15	Airport Advisories at Non-Towered Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-16	Emergency Communication Planning for Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-17	Tabletop and Full-Scale Emergency Exercises for General Aviation, Non-Hub, and Small Hub Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-18	Uses of Social Media to Inform Operational Response and Recovery During an Airport Emergency	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-19	Incorporating ADA and Functional Needs in Emergency Exercises	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-20	Airport Incident Reporting Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-21	Models for Law Enforcement at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-22	Airport Surface Weather Observation Options for General Aviation Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-23	Emergency Working Groups at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-24	Practices in Airport Emergency Plans	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-25	Escalator Falls	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-26	Managing a Flight Diversion with an Emergency Response at Small, Non-Hub, or General Aviation Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S04-27	Airport Apron and Ramp Safety Practices	Active (Synthesis)
ACRP Synthesis 11-03/Topic S04-28	Safety and Security Considerations for EV Charging Infrastructure at Airports	New
ACRP Synthesis 11-03/Topic S04-29	Airport Safety Risk Management Panel Activities and Outcomes	New
ACRP Synthesis 11-03/Topic S06-01	Synthesis of Aviation Workforce Development Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-02	Airport Self-Inspection Procedures and Training Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-03	Exploring Airport Employee Commuting and Parking Strategies	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-04	Helping New Maintenance Hires Adapt to the Airport Operating Environment	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-05	Promoting Aviation Career Education in High Schools and Community Colleges	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-06	Airport Workforce Programs Supporting Employee Well-being	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-07	Impacts of COVID to Airport Work Models and Strategies	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-08	Exploring Airport Employee Commuting and Transportation Needs	Final (Synthesis)
ACRP Synthesis 11-03/Topic S06-09	Total Rewards for Airport Sponsor Employees	Active (Synthesis)
ACRP Synthesis 11-03/Topic S07-01	Impacts of Aging Travelers on Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S07-02	Communication Strategies for Airport Passenger Access and Mobility	Final (Synthesis)
ACRP Synthesis 11-03/Topic S07-03	Airfield Apron/Ramp Surface Markings	Final (Synthesis)
ACRP Synthesis 11-03/Topic S07-04	Airport Property Used for Parks and Recreational Use	Final (Synthesis)
ACRP Synthesis 11-03/Topic S07-05	Airfield Vehicle Service Road Design and Operations	Active (Synthesis)
ACRP Synthesis 11-03/Topic S07-06	Application of Large Language Models in Enhancing Airport Passenger Experience	New
ACRP Synthesis 11-03/Topic S08-01	Airport Terminal Facility Activation Techniques	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-01	Rubber Removal Techniques to Minimize Damage on Grooved Runways	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-02	Common Airport Pavement Maintenance Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-03	Subsurface Utility Engineering Information Management for Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-04	Issues with Use of Airfield LED Light Fixtures	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-05	Repairing and Maintaining Airport Parking Structure While in Use	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-06	Airside Snow Removal Practices for Small Airports with Limited Budgets	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-07	Building Information Modeling for Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-08	Practices to Mitigate Alkali Silica Reaction (ASR) Affected Pavement at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-09	Automated Pavement Condition Survey Practices at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-10	Airfield Turf and Vegetation Management Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S09-11	Survey of Mechanisms to Address Off Airport Obstructions	Active (Synthesis)
ACRP Synthesis 11-03/Topic S10-01	Counting Aircraft Operations at Non-Towered Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-02	Common-Use Facilities and Equipment at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-03	Airport Pavement Deicing Products, Use and Corrosion Damage	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-04	Airport Energy Efficiency and Cost Reduction	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-05	Ramp Safety Practices	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-06	Investigating Safety Impacts of Energy Technologies on Airports and Aviation	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-07	Expediting Aircraft Recovery at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-08	Conducting Aeronautical Special Events at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-09	Airport Wildlife Population Management	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-10	Habitat Management to Deter Wildlife at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-11	Electric Vehicle Charging Stations at Airports Parking Facilities	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-12	Airport Response to Special Events	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-13	Overview of Airport Fueling Operations	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-14	Issues Related to Accommodating Animals Traveling through Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-15	Current Landscape of UAS Use at Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-16	Airport Operations Training at Small Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-17	Agricultural Operations on Airport Grounds	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-18	Considerations for Establishing and Maintaining Successful Pollinator Programs on Airports	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-19	Airport Landside Data, Collection, and Application	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-20	Identifying Military Resources and Strategies to Improve Civilian Airport Resiliency	Final (Synthesis)
ACRP Synthesis 11-03/Topic S10-21	Collecting and Utilizing Automatic Dependent Surveillance-Broadcast (ADS-B) Data at Airports	Active (Synthesis)
BTSCRP BTS-01	Guidance for Employer-Based Behavioral Traffic Safety Programs for Drivers in the Workplace	Final	Published as BTSCRP Web-Only Document 3
BTSCRP BTS-02	Behavioral Traffic Safety Messaging on Variable Message Signs	Final	Published as BTSCRP Research Report 3
BTSCRP BTS-03	Examining the Implications of Legislation and Enforcement on Electronic Device Use While Driving	Final	Published as BTSCRP Research Report 1
BTSCRP BTS-04	Tracking State Traffic Citation and Adjudication Outcomes	Final	Published as BTSCRP Research Report 5
BTSCRP BTS-06	MPO and SHSO Coordination on Behavioral Traffic Safety	Final	Published as BTSCRP Research Report 7
BTSCRP BTS-07	Assessing the Impacts of Automated Driving Systems (ADS) on the Future of Transportation Safety	Final	Published as NCHRP Research Report 1001/BTSCRP Research Report 2
BTSCRP BTS-08	Using the SHRP2 Naturalistic Driving Study Database to Improve Teen Driving Safety: Phase 1 Proof of Concept	Final	Published as BTSCRP Web-Only Document 2
BTSCRP BTS-09	Influence of Infrastructure Design on Distracted Driving	Final	Published as BTSCRP Web-Only Document 1
BTSCRP BTS-10	E-Scooter Safety: Issues and Solutions	Final	Published as BTSCRP Research Report 9
BTSCRP BTS-11	Ensuring Child Safety in For-Hire Rideshare Vehicles	Final	Published as BTSCRP Research Report 6
BTSCRP BTS-12	State Practices Promoting Older Driver Safety	Final	Published as BTSCRP Research Report 4
BTSCRP BTS-13	Communicating Safe Behavior Practices to Vulnerable Road Users	Final	Published as BTSCRP Web-Only Document 6
BTSCRP BTS-14	Informing the Selection of Countermeasures by Evaluating, Analyzing, and Diagnosing Contributing Factors that Lead to Crashes	Final	Research completed
BTSCRP BTS-15	Highway Safety Behavioral Strategies for Rural Areas	Final	Published as BTSCRP Research Report 8
BTSCRP BTS-16	Developing Driver Skills Examination and Scoring Guidance for Evaluating and Predicting High Safety Risk Drivers	Active	Research underway
BTSCRP BTS-17	Determining the Effectiveness of Combined High Visibility Enforcement	Final	Completed
BTSCRP BTS-18	Objectives, Components, and Measures of Effective Traffic Safety Public Awareness and Education Efforts	Active	Research underway
BTSCRP BTS-19	Moped and Motor Scooter (50 cc or less) Safety: Issues and Countermeasures	Final	Published as BTSCRP Research Report 11
BTSCRP BTS-20	Strategies to Address Misreporting of Impaired and Distracted Driving in Motor Vehicle Crashes	Active	Research underway
BTSCRP BTS-21	Assessing and Mitigating Racial Disparities in the Enforcement of Pedestrian, Bicycle, and Micromobility Traffic-Related Laws	Active	Research underway
BTSCRP BTS-22	Guidelines for Selecting Communication Channels to Deliver Traffic Safety Messaging	Active	Research underway
BTSCRP BTS-23	Outcomes of Variability in Teen Driving Experience and Exposure: Evidence from the Naturalistic Driving Study	Active	Research underway
BTSCRP BTS-24	Multi-Solving Safety Approach - Stepping Away from Silos to Achieve a Safer System	Active	Research underway
BTSCRP BTS-25	Cost-Benefit Evaluations of Detection Methods for Driving Under the Influence of Drugs (DUID)	Final	The project was terminated at the conclusion of Phase I
BTSCRP BTS-26	Advanced Driver Assistance Systems (ADAS) Education and Outreach	Active	Research underway
BTSCRP BTS-27	Evaluation of Motorcycle Licensing and Training Requirements	Active	Research underway
BTSCRP BTS-28	Teen Driving Performance Associated with Distraction, ADHD, and Other Risk Factors	Active	Research underway
BTSCRP BTS-29	Method to Link Crash, Emergency Medical Service, and Trauma Registry Data	Completed	This project has been combined and managed by NCHRP Project 17-120
BTSCRP BTS-30	Engaging Underserved Communities and Populations in Child Passenger Safety	Active	Research underway
BTSCRP BTS-31	Quantifying Impacts of Traffic Enforcement Activity Levels on Safety	Active	Research underway
BTSCRP BTS-32	Formative Research and Resources to Prevent Cannabis Impaired Driving Among Teens and Young Adults	Active	Research underway
BTSCRP BTS-33	Optimizing Parent-Teen Supervised Drives to Reduce Teen Crash Risk	Active	Research underway
BTSCRP BTS-34	Enhancing Behavioral Traffic Safety Efforts to Engage Underserved Communities	Active	Research underway
BTSCRP BTS-35	Strategies to Reach the Last U.S. Seat Belt Use Holdouts	Active	Research underway
BTSCRP BTS-36	Effectiveness of Speed Reduction in Work Zones	Final	This project has been combined and managed by NCHRP Project 17-124
BTSCRP BTS-37	Strategies to Improve Equity and Access to Driver Education and Training for Novice Drivers	Pending
BTSCRP BTS-38	Best Practices Toolkit for Slow Down Move Over Laws	Pending
BTSCRP BTS-39	Toolkit for Reducing Substance-Impaired Driving for the Last Leg of the Journey	Pending
BTSCRP BTS-40	Handbook for Implementing Traffic Safety Programs in the Workplace	RFP
BTSCRP BTS-41	Roadmap for the Future Role of Law Enforcement Personnel to Enforce Traffic Safety Laws	RFP
BTSCRP BTS-42	Guidelines to Promote Public Support for Automated Traffic Enforcement	RFP
CTBSSP MC-01	Effective Commercial Truck and Bus Safety Management Techniques	Final (Synthesis)
CTBSSP MC-02	Security Measures in the Commercial Trucking and Bus Industries	Final (Synthesis)
CTBSSP MC-03	Highway/Heavy Vehicle Interaction	Final (Synthesis)
CTBSSP MC-04	Individual Differences and the High-Risk Commercial Driver	Final (Synthesis)
CTBSSP MC-05	Training of Commercial Motor Vehicle Drivers	Final (Synthesis)
CTBSSP MC-06	Operational Differences and Similarities Among the Motorcoach, School Bus, and Trucking Industries	Final (Synthesis)
CTBSSP MC-07	Motorcoach Industry Hours of Service and Fatigue Management Techniques	Final (Synthesis)
CTBSSP MC-08	Commercial Motor Vehicle Driver Safety Belt Usage	Final (Synthesis)
CTBSSP MC-09	Literature Review on Health and Fatigue Issues Associated with Commercial Motor Vehicle Driver Hours of Work	Final (Synthesis)
CTBSSP MC-10	Alternative Truck and Bus Inspection Strategies	Final (Synthesis)
CTBSSP MC-11	Impact of Behavior-Based Safety Techniques on Commercial Motor Vehicle Drivers	Final (Synthesis)
CTBSSP MC-12	Commercial Motor Vehicle Carrier Safety Management Certification	Final (Synthesis)
CTBSSP MC-13	Effectiveness of Commercial Motor Vehicle Driver Training Curricula and Delivery Methods	Final (Synthesis)
CTBSSP MC-14	The Role of Safety Culture in Preventing Commercial Motor Vehicle Crashes	Final (Synthesis)
CTBSSP MC-15	Health and Wellness Programs for Commercial Drivers	Final (Synthesis)
CTBSSP MC-17	Safety Impacts of Speed Limiter Device Installations on Commercial Trucks and Buses	Final (Synthesis)
CTBSSP MC-18	Older Drivers: Do They Pose a Safety Risk	Final (Synthesis)
CTBSSP MC-19	Chemical Substance Effects on Driving On Performance: Stimulants, Hypnotics, and Nutritional Aids	Final (Synthesis)
CTBSSP MC-20	Operator Drug and Alcohol Testing Across Modes	Final (Synthesis)
CTBSSP MC-21	Special Safety Concerns of School Bus Drivers	Final (Synthesis)
CTBSSP MC-22	Risk Avoidance Strategies	Final (Synthesis)
CTBSSP MC-23	Driver Selection Tests and Measurement	Final (Synthesis)
CTBSSP MC-24	Distracted Driving—Successful Practices for Commercial Vehicles	Final (Synthesis)
CTBSSP MC-25	Safety Management in Small Companies	Final (Synthesis)
High Speed Rail IDEA Project 01	Innovative Scanning Antenna Systems for Advanced Recognition of Rail Collision, Obstacle Detection and Automobile Collision	Completed (IDEA)
High Speed Rail IDEA Project 02	Vehicle Detection & Tracking a Wide Angle Sensor's Video Signal for Intersection Control & Intelligence	Completed (IDEA)
High Speed Rail IDEA Project 03	Assessment of Two ITS-IDEA Product Application of Laser Optics Open-air Communication System	Completed (IDEA)
High Speed Rail IDEA Project 04	Acoustic Signal Processing Method to Warn Workers of Approaching Trains	Completed (IDEA)
High Speed Rail IDEA Project 05	Enhanced Proximity Warning System for Locomotives	Completed (IDEA)
High Speed Rail IDEA Project 06	Demonstration & Testing of IHS Wide Field Surveillance System Integration with the Highway and Railway	Completed (IDEA)
High Speed Rail IDEA Project 07	Pulsed LED Railroad Crossings Signals	Completed (IDEA)
High Speed Rail IDEA Project 08	Remote Sensing Advance Warning Systems Test Project	Completed (IDEA)
High Speed Rail IDEA Project 10	A Neural Network Video Sensor Application for Rail Crossing	Completed (IDEA)
High Speed Rail IDEA Project 11	Integrated Quad Gate Crossing Control Systems	Completed (IDEA)
High Speed Rail IDEA Project 13	Development of a Highway Railroad Grade-Crossing Obstacle Detection Radar	Completed (IDEA)
High Speed Rail IDEA Project 14	Low Cost Multiple Sensor Inertial Measurement Sensor for Locomotive Navigation	Completed (IDEA)
High Speed Rail IDEA Project 15	Hybrid Uni-Axial Strain Transducer to Monitor Infrastructure	Completed (IDEA)
High Speed Rail IDEA Project 16	Advanced Train Detection for Preemption of Highway Traffic Controllers	Completed (IDEA)
High Speed Rail IDEA Project 17	Automatic Flaggings System for Track Maintenance Workers	Completed (IDEA)
High Speed Rail IDEA Project 18	An Investigation Into The Use of Buried Fiber Optic Filament to Detect Trains and Broken Rail	Completed (IDEA)
High Speed Rail IDEA Project 19	Fiber Optical Sensors for High-Speed Rail Applications	Completed (IDEA)
High Speed Rail IDEA Project 20	Metal Foams for Improved Crashworthiness of High-Speed Rail Passenger Equipment	Completed (IDEA)
High Speed Rail IDEA Project 22	Low-Cost, Drift-Free DGPS Locomotive Navigation System	Completed (IDEA)
High Speed Rail IDEA Project 23	Investigation of Hybrid-Composite Beam System	Completed (IDEA)
High Speed Rail IDEA Project 24	Improved Reliability of Thermite Field Welds	Completed (IDEA)
High Speed Rail IDEA Project 25	Neural Network Based Rail Flaw Detection Using Unprocessed Ultrasonic Data	Completed (IDEA)
High Speed Rail IDEA Project 26	High-Precision GPS for Continuous Monitoring of Rail	Completed (IDEA)
High Speed Rail IDEA Project 27	Low-Cost Multiple Sensor Inertial Measurement Product for Locomotive Navigation	Completed (IDEA)
High Speed Rail IDEA Project 28	Development of a Commercial-Grade Bi-Axial Strain Transducer	Completed (IDEA)
High Speed Rail IDEA Project 29	Continuous Locomotive Emission Analyzer	Completed (IDEA)
High Speed Rail IDEA Project 30	Vibration Measurements of Rail Stress	Completed (IDEA)
High Speed Rail IDEA Project 32	High-Strength, Lightweight Car Bodies for High-Speed Rail Vehicles	Completed (IDEA)
High Speed Rail IDEA Project 34	Metal Foams for Improved Crash Energy Absorption in Passenger Equipment	Completed (IDEA)
High Speed Rail IDEA Project 35	Prototype HSR Accurate Low-Cost GPS Locomotive Location System	Completed (IDEA)
High Speed Rail IDEA Project 37	Electroslag Field Welding of Railroad Rail	Completed (IDEA)
High Speed Rail IDEA Project 38	Feasibility of Locomotive-Mounted Broken Rail Detection	Completed (IDEA)
High Speed Rail IDEA Project 39	Hand-Held Wheel Crack Detection Device	Completed (IDEA)
High Speed Rail IDEA Project 40	Rubber-Modified Asphalt Concrete for High-Speed Railway Roadbeds	Completed (IDEA)
High Speed Rail IDEA Project 41	Reliability of Improved Thermite Welds	Completed (IDEA)
High Speed Rail IDEA Project 42	Acoustic Broken Rail Detection System	Completed (IDEA)
High Speed Rail IDEA Project 43	Product Application of a Hybrid-Composite Bridge Beam System	Completed (IDEA)
High Speed Rail IDEA Project 44	Permanent Magnet DC Traction Motor with Reconfigurable Winding Control	Completed (IDEA)
High Speed Rail IDEA Project 45	Crash Energy Absorption for High-Speed Rail Passenger Seats Using Solid Ejection Material	Completed (IDEA)
High Speed Rail IDEA Project 46	Magnetorheological Damping for Spring Rail Frog Switches	Completed (IDEA)
High Speed Rail IDEA Project 47	Application of LAHUT Technology for Wayside Cracked Wheel Detection	Completed (IDEA)
High Speed Rail IDEA Project 48	Vibration Measurements of Rail Stress	Completed (IDEA)
High Speed Rail IDEA Project 49	Machine Vision for Railroad Equipment Undercarriage Inspection	Completed (IDEA)
High Speed Rail IDEA Project 50	A Track Sensor for Predicting Train Arrival Time	Completed (IDEA)
High Speed Rail IDEA Project 51	Smart Sensor System for Monitoring Railcar Braking Systems	Completed (IDEA)
High Speed Rail IDEA Project 52	Low-Cost, Precise Railroad GPS Location System	Completed (IDEA)
High Speed Rail IDEA Project 53	Feasibility of Magnetometer Sensors for Railroad and Highway Equipment	Completed (IDEA)
High Speed Rail IDEA Project 54	Wireless Remote Structural Integrity Monitoring System for Railroad Bridges	Completed (IDEA)
High Speed Rail IDEA Project 55	Characterization of Rail Surface Condition	Completed (IDEA)
High Speed Rail IDEA Project 56	Signal Transmissibility of Railcar Bearing Vibrations	Completed (IDEA)
High Speed Rail IDEA Project 57	Steel Bridge Pile Inspection Technology	Completed (IDEA)
High Speed Rail IDEA Project 58	Permanent Magnet DC Traction Motor	Completed (IDEA)
HMCRP HM-01	Hazardous Materials Commodity Flow Data and Analysis	Final	Published as HMCRP Report 3
HMCRP HM-02	Hazardous Materials Transportation Incident Data for Root Cause Analysis	Final	Published as HMCRP Report 1.
HMCRP HM-03	A Guide for Assessing Emergency Response Needs and Capabilities for Hazardous Materials Releases	Final	Published as HMCRP Report 5.
HMCRP HM-04	Emerging Technologies Applicable to Hazardous Materials Transportation Safety and Security	Final	Published as HMCRP Report 4.
HMCRP HM-05	Evaluation of the Use of Electronic Shipping Papers for Hazardous Materials Shipments	Final	Published as HMCRP Report 8.
HMCRP HM-06	Soil and Groundwater Impacts of Chemical Mixture Releases from Hazardous Materials Transportation Incidents	Final	Published as HMCRP Report 2.
HMCRP HM-07	Accident Performance Data of Bulk Packages Used for Hazardous Materials Transportation	Final	Published as HMCRP Report 10.
HMCRP HM-08	Consolidated Security Credential for Persons Who Transport Hazardous Materials	Completed
HMCRP HM-09	Technical Assessment of Dry Ice Limits on Aircraft	Final	Published as HMCRP Report 11.
HMCRP HM-10	Current Hazardous Materials Transportation Research and Future Needs	Final	Published as HMCRP Web-Only Document 1
HMCRP HM-11	Improving Local Community Recovery from Disastrous Hazardous Materials Transportation Incidents	Final	Published as HMCRP Report 9.
HMCRP HM-12	Hazardous Materials Transportation Risk Assessment: State of the Practice	Completed
HMCRP HM-13	Role of Human Factors in Preventing Cargo Tank Truck Rollovers	Final	Published as HMCRP Report 7
HMCRP HM-14	Test Procedures and Classification Criteria for Release of Toxic Gases from Water-Reactive Materials	Completed
HMCRP HM-15	A Guide for Communicating Emergency Response Information for Natural Gas and Hazardous Liquids Pipelines	Final	Published as HMCRP Report 14.
HMCRP HM-16	Model Post-Secondary Education Curricula for the Transportation of Hazardous Materials	Final	Published as Web-Only Document 2.
HMCRP HM-17	Evaluating the Effectiveness of Hazmat Transportation Training	Final	Available on request.
HMCRP HM-18	Evaluation of Small Quantities of Class 3 and Class 9 Hazmat Materials in Transportation	Final	Published as HMCRP Web-Only Document 3.
NCFRP 01	Public and Private Sector Interdependence in Freight Transportation Markets	Completed
NCFRP 02	Impacts of Public Policy on the Freight Transportation System	Final	Published as NCFRP Report 6.
NCFRP 03	Performance Measures for Freight Transportation	Final	Published as NCFRP Report 10.
NCFRP 04	Identifying and Using Low-Cost and Quickly Implementable Ways to Address Freight-System Mobility Constraints	Final	Published as NCFRP Report 7.
NCFRP 05	Framework and Tools for Estimating Benefits of Specific Freight Network Investment Needs	Final	Published as NCFRP Report 12
NCFRP 06	Freight-Demand Modeling to Support Public-Sector Decision Making	Final	Published as NCFRP Report 8.
NCFRP 09	Institutional Arrangements in the Freight Transportation System	Final	Published as NCFRP Report 2.
NCFRP 10	Separation of Vehicles---CMV Only Lanes	Active
NCFRP 11	Identification and Evaluation of Freight Demand Factors	Final	Report available at http://www.trb.org/main/blurbs/166724.aspx
NCFRP 12	Specifications for Freight Transportation Data Architecture	Final	Published as NCFRP Report 9.
NCFRP 13	Delivering High Productivity Truck Corridors	Completed	Canceled.
NCFRP 14	Truck Drayage Practices	Final	Published as NCFRP Report 11.
NCFRP 15	Understanding Urban Goods Movements	Final	Published as NCFRP Report 14
NCFRP 16	Representing Freight in Air Quality and Greenhouse Gas Models	Final	Published as NCFRP Report 4.
NCFRP 17	North American Marine Highway Operations	Final	Published as NCFRP Report 5.
NCFRP 17(001)	Marine Highway Transport of Toxic Inhalation Hazard (TIH) Materials	Final	Published as NCFRP Report 18.
NCFRP 18	Synthesis of International Freight Scans	Completed	Author’s draft report available on request.
NCFRP 19	Truck Tolling--Understanding Industry Tradeoffs When Using or Avoiding Toll Facilities (Jointly funded as NCHRP Project 19-09)	Final	Published as a web-only document
NCFRP 20	Guidebook for Developing Sub-national Commodity Flow Data	Final	Published as NCFRP Report 26.
NCFRP 21	Legal Considerations for Assessing Private Data for Freight Transportation Planning	Completed	Canceled.
NCFRP 22	Applying Benefit-Cost Analysis (BCA) to Freight Project Selection: Lessons from the Corps of Engineers	Final	The contractor's report is available electronically.
NCFRP 23	Economic and Transportation Drivers for Siting Freight Intermodal and Warehouse Distribution Facilities	Final	Published as NCFRP Report 13
NCFRP 24	Preserving and Protecting Freight Infrastructure and Routes	Final	Published as NCFRP Report 16
NCFRP 25	Freight Trip Generation and Land Use (Jointly Funded as NCHRP 08-80)	Final	Published as NCFRP Report 19/NCHRP Report 739
NCFRP 25(01)	Estimating Freight Generation Using Commodity Flow Survey Microdata	Final	Published as NCFRP Report 37
NCFRP 26	Freight Transportation Cost Data Elements	Final	Completed. Published as NCFRP Report 22.
NCFRP 27	Promoting Environmental Goals in Freight Transportation through Industry Benchmarking	Final	Published as NCFRP Report 21.
NCFRP 28	Truck Idling Scoping Study	Final	The contractor's final report is available electronically.
NCFRP 29	New Dedicated Revenue Mechanisms for Freight Transportation Investment	Final
NCFRP 30	Web-Based Screening Tool for Shared-Use Rail Corridors	Final	Research results have been published as NCFRP Report 27.
NCFRP 31	Guidebook for Sharing Freight Transportation Data	Final	Completed. Published as NCFRP Report 25.
NCFRP 32	Impact of Smart Growth on Metropolitan Goods Movement	Final	Published as NCFRP Report 24.
NCFRP 33	Public-Sector Sustainability Strategies Addressing Supply Chain Air Emissions	Final	Completed. Published as NCFRP Report 28.
NCFRP 34	Evaluating Alternatives for Landside Transport of Ocean Containers	Final	Published as NCFRP Report 34
NCFRP 35	Multimodal Freight Transportation Within the Great Lakes-Saint Lawrence Basin	Final	Completed. Published as NCFRP Report 17.
NCFRP 36(03)	Multistate Freight Corridor Organizations	Final	Published as web-only Document 2.
NCFRP 36(04)	Carbon Footprint of Supply Chains: A Scoping Study	Final	Completed. Published as NCFRP Web-only Document 5
NCFRP 36(05)	Synthesis of Freight Research in Urban Transportation Planning	Completed	Completed--to be published as NCFRP Report 23
NCFRP 37	Making U.S. Ports Resilient as Part of Extended Intermodal Supply Chains	Final	Published as NCFRP Report 30.
NCFRP 38	Improving Freight System Performance in Metropolitan Areas	Final	Published as NCFRP Report 33
NCFRP 39	Making Trucks Count: Innovative Strategies for Obtaining Comprehensive Truck Activity Data	Final	Published as NCFRP Report 29.
NCFRP 40	Improving Export Freight Logistics	Final	Research available on request.
NCFRP 41	Incorporating Truck Analysis into the Highway Capacity Manual	Final
NCFRP 42	Integrating MTS Commerce Data with Multimodal Freight Transportation Performance Measures to Support MTS Maintenance Investment Decision Making	Final	Completed. Published as NCFRP Report 32.
NCFRP 43	Guidebook for Assessing Evolving International Container Chassis Supply Models	Final	Completed. Published as NCFRP Report 20.
NCFRP 44	Impacts of Policy-Induced Freight Modal Shifts	Final	Published as NCFRP Research Report 40
NCFRP 45	Enhancing Sleep Efficiency on Vessels in the Tug/Towboat/Barge Industry	Final	Published as NCFRP Report 36
NCFRP 46	Benefit-Cost Methodologies for Evaluating Multimodal Freight Corridor Investments	Final	Completed. Published as NCFRP Report 38.
NCFRP 47	Freight Transportation Data Architecture: Data Element Dictionary	Final	Published as NCFRP Report 35
NCFRP 48	Freight Research to Support MAP-21 Implementation	Active	Contract ammended to add FAST requirements and final project reports
NCFRP 49	Understanding and Using New Data Sources to Address Urban and Metropolitan Freight Challenges	Final	The web guide is available at http://www.trb.org/main/blurbs/179169.aspx.
NCFRP 50	Improving Freight Transportation Resilience in Response to Supply Chain Disruptions	Final	Published as NCFRP Research Report 39.
NCHRP 01-25(1)	Effects of Heavy Vehicle Characteristics on Pavement Response and Performance---Phase II	Completed
NCHRP 01-27	Video Image Processing for Evaluating Pavement Surface Distress	Completed
NCHRP 01-28	Laboratory Determination of Resilient Modulus for Flexible Pavement Design	Completed
NCHRP 01-28A	Harmonized Test Methods for Laboratory Determination of Resilient Modulus for Flexible Pavement Design	Completed
NCHRP 01-29	Improved Surface Drainage of Pavements	Completed
NCHRP 01-30	Support Under Portland Cement Concrete Pavements	Completed
NCHRP 01-31	Smoothness Specifications for Pavements	Completed
NCHRP 01-32	Systems for Design of Highway Pavements	Completed
NCHRP 01-33	Methodology to Improve Pavement-Investment Decisions	Completed
NCHRP 01-34	Performance of Subsurface Pavement Drainage	Completed
NCHRP 01-34A	Contributions of Pavement Structural Layers to Rutting of Flexible Pavements	Completed
NCHRP 01-34B	Effectiveness of Subsurface Drainage for HMA and PCC Pavements	Completed
NCHRP 01-34C	Effects of Subsurface Drainage on Performance of Asphalt and Concrete Pavements	Completed
NCHRP 01-34D	Effects of Subsurface Drainage on Performance of Asphalt and Concrete Pavements: Further Evaluation and Analysis of LTPP SPS-1 and SPS-2 Field Sections	Completed
NCHRP 01-35A	Guide for Pavement Management	Completed
NCHRP 01-36	Determination of Pavement Damage from Super-Single and Singled-Out Dual Truck Tires	Completed
NCHRP 01-37	Development of the 2002 Guide for the Design of New and Rehabilitated Pavement Structures	Completed
NCHRP 01-37A	Development of the 2002 Guide for the Design of New and Rehabilitated Pavement Structures: Phase II	Completed
NCHRP 01-37A(01)	Distribution Plan for the Recommended Mechanistic-Empirical Pavement Guide and Software	Completed
NCHRP 01-38	Guide on Pavement Rehabilitation Strategies	Completed
NCHRP 01-39	Traffic Data Collection, Analysis, and Forecasting for Mechanistic Pavement Design	Completed
NCHRP 01-40	Facilitating the Implementation of the Guide for the Design of New and Rehabilitated Pavement Structures	Completed	The MEPDG software is now available from AASHTOWare as the Pavement ME Design program.
NCHRP 01-40A	Independent Review of the Recommended Mechanistic-Empirical Design Guide and Software	Completed
NCHRP 01-40B	User Manual and Local Calibration Guide for the Mechanistic-Empirical Pavement Design Guide and Software	Completed
NCHRP 01-40D(01)	Technical Assistance to NCHRP and NCHRP Project 1-40A: Versions 0.9 and 1.0 of the M-E Pavement Design Software	Completed
NCHRP 01-41	Models for Predicting Reflection Cracking of Hot-Mix Asphalt Overlays	Completed
NCHRP 01-42	Top-Down Fatigue Cracking of Hot-Mix Asphalt Layers - Phase I	Completed
NCHRP 01-42A	Models for Predicting Top-Down Cracking of Hot-Mix Asphalt Layers	Completed
NCHRP 01-43	Guide for Pavement Friction	Completed
NCHRP 01-44	Measuring Tire-Pavement Noise at the Source	Completed
NCHRP 01-44(01)	Measuring Tire-Pavement Noise at the Source: Precision and Bias Statement	Completed
NCHRP 01-45	Models for Estimating the Effects of Pavement Condition on Vehicle Operating Costs	Completed
NCHRP 01-46	Handbook for Pavement Design, Construction, and Management	Completed
NCHRP 01-47	Sensitivity Evaluation of MEPDG Performance Prediction	Completed
NCHRP 01-48	Incorporating Pavement Preservation into the MEPDG	Completed
NCHRP 01-49	Guidelines for Conducting Forensic Investigation of Highway Pavements	Completed
NCHRP 01-50	Quantifying the Influence of Geosynthetics on Pavement Performance	Completed
NCHRP 01-51	A Model for Incorporating Slab/Underlying Layer Interaction into the MEPDG Concrete Pavement Analysis Procedures	Completed
NCHRP 01-52	A Mechanistic-Empirical Model for Top-Down Cracking of Asphalt Pavement Layers	Completed
NCHRP 01-53	Proposed Enhancements to Pavement ME Design: Improved Consideration of the Influence of Subgrade and Unbound Layers on Pavement Performance	Completed
NCHRP 01-54	Guidelines for Limiting Damage to Flexible and Composite Pavements Due to the Presence of Water	Completed	Publication decision pending.
NCHRP 01-55	Performance-Based Mix Design of Porous Friction Courses	Completed
NCHRP 01-57	Standard Definitions for Comparable Pavement Cracking Data	Completed	The research will be completed through NCHRP Project 1-57A.
NCHRP 01-57A	Developing Standard Definitions for Comparable Pavement Cracking Data	Completed
NCHRP 01-57B	Validating Proposed Definitions for Comparable Pavement Cracking Data	Active	Research in progress.
NCHRP 01-58	Quantifying the Effects of Implements of Husbandry on Pavements	Final
NCHRP 01-59	The Influence of Subgrade Soils Susceptible to Shrink/Swell and/or Frost Heave on Pavement Performance	Final	Published as NCHRP Research Report 1096.
NCHRP 01-60	Measuring the Characteristics of Pavement Surface Images	Final	Published as NCHRP Research Report 1106.
NCHRP 01-61	Evaluation of Bonded Concrete Overlays on Asphalt Pavements	Final	Published as NCHRP Research Report 1007. The appendices are available as NCHRP WOD 329.
NCHRP 01-62	Impact of Flooding on the Resiliency of Pavement Systems	Active	Research in progress
NCHRP 01-63	Incorporating Traffic Speed Deflection Devices Measurements into Pavement Management and Design	Active	Research In Progress
NCHRP 01-64	Development of Longitudinal Cracking Models for Concrete Pavements	RFP
NCHRP 02-14	Public/Private Partnerships for Financing Highway Improvements	Final
NCHRP 02-15	Identifying Measuring, and Evaluating the Benefits of Safety Roadside Rest Areas	Final
NCHRP 02-16	Relationships Between Vehicle Configurations and Highway Design	Final
NCHRP 02-17(1)	Methodologies for Evaluating the Effects of Transportation Policies on the Economy	Final
NCHRP 02-17(2)	Workshop on Research Needs in Transportation and Economic Development	Completed
NCHRP 02-17(3)	Macroeconomic Analysis of the Linkages Between Transportation Investments and Economic Performance	Completed
NCHRP 02-17(3)A	Update and Enhancement of Dataset for Macroeconomic Analysis of Transportation Investments and Economic Performance	Completed
NCHRP 02-17(4)	Measuring the Relationship Between Freight Transportation Services and Industry Productivity	Completed
NCHRP 02-17(5)	Impact of Urban Congestion on Business	Final
NCHRP 02-17(6)	Tourism Travel Contributions to Economic Development	Completed
NCHRP 02-18	Research Strategies for Improving Highway User Cost-Estimating Methodologies	Completed
NCHRP 02-18(2)	Valuation of Travel-Time Savings and Predictability in Congested Conditions for Highway User-Cost Estimation	Completed
NCHRP 02-18(3)	Development of an Innovative Highway User-Cost Estimation Procedure	Completed
NCHRP 02-18(4)	Development and Demonstration of StratBENCOST Procedure	Completed
NCHRP 02-19	Research on the Relationship Between Economic Development and Transportation Investment	Completed
NCHRP 02-19(2)	Guidance on Using Existing Analytic Tools for Evaluating Transportation Investments	Completed
NCHRP 02-20	Economic Trends and Multimodal Transportation Requirements	Completed
NCHRP 02-21	Economic Implications of Congestion	Completed
NCHRP 02-22	Needs in Communicating the Economic Impacts of Transportation Investment	Completed
NCHRP 02-22(2)	Case Studies on Communicating the Economic Benefits of Transportation Investments	Completed
NCHRP 02-23	Development of an Update to the 1977 AASHTO Redbook	Completed
NCHRP 02-24	Economic Productivity and Transportation Investment Priorities	Final
NCHRP 02-25	Workforce 2030--Attracting, Retaining, and Developing the Transportation Workforce: Design, Construction, and Maintenance	Final	NCHRP Research Report 1008: Workforce 2030: Attracting, Retaining, and Developing the 2030 Transportation Workforce: Design, Construction, and Maintenance
NCHRP 02-26	Implementation of Life-Cycle Planning Analysis in a Transportation Asset Management Framework	Final
NCHRP 02-27	Making Targets Matter: Managing Performance to Enhance Decision-Making	Final
NCHRP 03-100	Evaluating the Performance of Corridors with Roundabouts	Final
NCHRP 03-101	Costs and Benefits of Public-Sector Deployment of Vehicle to Infrastructure Technologies	Final
NCHRP 03-102	Design Guidance for Intersection Auxiliary Lanes	Final
NCHRP 03-103	Update of the Signal Timing Manual	Final
NCHRP 03-104	Unsignalized Intersection Guide	Final
NCHRP 03-105	Design Guidance for Interchange Loop Ramps	Final
NCHRP 03-106	Traffic Control Device Guidelines for Curves	Completed
NCHRP 03-107	Work Zone Capacity Methods for the Highway Capacity Manual	Completed
NCHRP 03-108	Guidance on Quantifying Benefits of TIM Strategies	Final
NCHRP 03-109	Potential MUTCD Criteria for Selecting the Type of Control for Unsignalized Intersections	Final
NCHRP 03-110	Estimating the Life-Cycle Cost of Intersection Designs	Final
NCHRP 03-111	Effectiveness of Work Zone Transportation Management Plan (TMP) Strategies	Final
NCHRP 03-112	Operational and Safety Considerations in Making Lane Width Decisions on Urban and Suburban Arterials	Final	Further work will be conducted under NCHRP 03-112A in 2019
NCHRP 03-112A	Guidelines for Selecting Lane Widths on Urban and Suburban Arterials	Final	NCHRP canceled this project and reallocated project funds to NCHRP Program
NCHRP 03-113	Guidance for Traffic Signals at Diverging Diamond Interchanges and Adjacent Intersections	Final	Published as NCHRP Report 959
NCHRP 03-114	Planning and Evaluating Active Traffic Management Strategies	Final	Further work will be conducted under NCHRP Project 03-114(01)
NCHRP 03-114(01)	Planning and Evaluating Active Traffic Management Strategies	Final
NCHRP 03-115	Production of a Major Update to the 2010 Highway Capacity Manual	Final
NCHRP 03-117	Traffic Control Devices and Measures for Deterring Wrong-Way Movements	Final
NCHRP 03-118	Decision-Making Guide for Traffic Signal Phasing	Final
NCHRP 03-119	Application of MASH Test Criteria to Breakaway Sign and Luminaire Supports and Crashworthy Work-Zone Traffic Control Devices	Final	Continued under NCHRP 03-119(01)
NCHRP 03-119(01)	Application of MASH Test Criteria to Breakaway Sign and Luminaire Supports and Crashworthy Work Zone Traffic Control Devices	Active	Research in progress. Continuation from NCHRP 03-119.
NCHRP 03-120	Assessing Interactions Between Access Management Treatments and Multimodal Users	Final
NCHRP 03-121	Incorporating Freight, Transit, and Incident Response Stakeholders into Integrated Corridor Management (ICM): Processes and Strategies for Implementation	Final
NCHRP 03-122	Performance-Based Management of Traffic Signals	Final	Published as NCHRP Report 954
NCHRP 03-123	Proposed Practices for the Application of Dynamic Lane Use Control	Final	Published as NCHRP Research Report 1021.
NCHRP 03-124	Principles and Guidance for Presenting Drivers with Dynamic Information on Active Traffic Management	Final
NCHRP 03-125	Evaluation of Change and Clearance Intervals Prior to the Flashing Yellow Arrow Permissive Left-Turn Indication	Final	Published as NCHRP WOD 394.
NCHRP 03-126	Transportation Operations Manual	Final
NCHRP 03-127	Cybersecurity of Traffic Management Systems	Final
NCHRP 03-127(01)	Cybersecurity of Traffic Management Systems (Continuation)	Final	Project Cancelled
NCHRP 03-128	Business Intelligence Techniques for Transportation Agency Decision Making	Final	Published as NCHRP Research Report 1099.
NCHRP 03-129	Essential Communications: A Guide to Land Mobile Radio (LMR)	Final	Phase II will be conducted under NCHRP Project 03-129A
NCHRP 03-129A	Emerging Land Mobile Radio Communications Guide	Active
NCHRP 03-130	Guide for Roundabouts	Final
NCHRP 03-131	Guidance for Planning and Implementing Multimodal, Integrated Corridor Management	Final	Published as NCHRP Web-Only Document 287
NCHRP 03-132	Guidance for Safe and Effective Temporary Traffic Control for Mobile Operations on Two-Lane Two-Way Roadways	Final
NCHRP 03-133	Traffic Signal Control Strategies for Pedestrians and Bicyclists	Final	Published as NCHRP Research Report 969: Traffic Signal Control Strategies for Pedestrians and Bicyclists
NCHRP 03-134	Determination of Encroachment Conditions in Work Zones	Final	Published as NCHRP Research Report 1055
NCHRP 03-135	Wrong-Way Driving Solutions, Policy, and Guidance	Final	Published as NCHRP Research Report 1050
NCHRP 03-136	Evaluating the Performance of Right-Turn-On-Red Operation at Signalized Intersections (with single and dual right-turn lanes)	Final
NCHRP 03-137	Algorithms to Convert Basic Safety Messages into Traffic Measures	Final	Research is Complete. Published report number is NCHRP Research Report 997
NCHRP 03-138	Application of Big Data Approaches for Traffic Incident Management (TIM)	Final	Published as NCHRP Research Report 1071.
NCHRP 03-139	Next Generation of the USLIMITS2 Speed Limit Setting Expert System	Final	Continued under NCHRP 03-139(01).
NCHRP 03-140	Guidelines for Applications of RFID and Wireless Technologies in Highway Construction and Asset Management	Final	The final deliverables have been published as NCHRP Research Report 1063 and NCHRP Web-Only Document 364
NCHRP 03-141	Guidance on Midblock Pedestrian Signals (MPS)	Final
NCHRP 03-142	Evaluating the Impacts of Real-Time Warnings and Variable Speed Limits on Safety and Travel Reliability during Weather Events	Active	Research in progress.
NCHRP 03-143	Framework and Toolkit for Selecting Pedestrian Crossing Treatments	Active	Research in progress
NCHRP 03-144	Leveraging Existing Traffic Signal Assets to Obtain Quality Traffic Counts and Enhance Transportation Monitoring Programs	Active	Research in progress
NCHRP 03-145	National Traffic Sensor System Evaluation Program	Active	Research in progress
NCHRP 03-146	Guide for Transportation Operations Manual Implementation	Active
NCHRP 03-147	LED Applications on Traffic Control Devices	Active	Research in progress.
NCHRP 03-148	Preparing for Virtual Operation of Traffic Management Systems	Active	Research in progress
NCHRP 03-149	Evaluation of the Traffic Signal Timing Manual, Third Edition	Active
NCHRP 03-150	Update to Procedure for Determining Work Zone Speed Limits	Pending
NCHRP 03-151	Data Subsystems and Data Management Plans for Traffic Management Systems	Active
NCHRP 03-152	Managing the Life Cycle of Software for Evolving Traffic Management Systems	RFP
NCHRP 03-153	Audible Indications for Accessible Pedestrian Signals	RFP
NCHRP 03-28	Effects of Quality of Traffic Signal Progression on Delay	Final
NCHRP 03-32	Temporary Pavement Markings for Work Zones	Final
NCHRP 03-33	Capacity and Level-of-Service Procedures for Multilane Rural and Suburban Highways	Final
NCHRP 03-35	Speed-Change Lanes	Final
NCHRP 03-36	Development of a Low-Cost Bridge Weigh-In-Motion System	Completed
NCHRP 03-37	Capacity and Level of Service at Ramp-Freeway Junctions	Final
NCHRP 03-37(2)	Capacity and Level of Service at Ramp-Freeway Junctions (Phase II)	Final
NCHRP 03-38(1)	Assessment of Advanced Technologies for Relieving Urban Traffic Congestion	Final
NCHRP 03-38(1)A	A Study to Assess Advanced Vehicle and Highway Technologies	Final
NCHRP 03-38(2)	Travel Characteristics of Large-Scale Suburban Activity Centers	Final
NCHRP 03-38(3)	Traffic Adaptive Control (Phase 1)---Critical Intersection Control Strategies; (Phase 2)---OPAC Control Strategies	Completed
NCHRP 03-38(4)	Traffic Signal Control for Saturated Conditions	Completed
NCHRP 03-38(5)	Effective Utilization of Street Width	Final
NCHRP 03-38(6)	Cost Sharing for Transportation Improvements Near Major Suburban Employment Centers	Final
NCHRP 03-38(7)	Access Management Policies and Guidelines for Activity Centers	Final
NCHRP 03-39	Evaluation and Calibration Procedures for Weigh-In-Motion Systems	Completed
NCHRP 03-39(2)	On-Site Evaluation and Calibration Procedures for Weigh-In-Motion Systems	Completed
NCHRP 03-40	Single Point Urban Interchange Design and Operations Analysis	Final
NCHRP 03-41	Procedure for Determining Work Zone Speed Limits	Completed
NCHRP 03-41(2)	Effectiveness and Implementability of Procedures for Work Zone Speed Limits	Completed
NCHRP 03-42	Determination of Stopping Sight Distances	Completed
NCHRP 03-43	Use of Shoulders and Narrow Lanes to Increase Freeway Capacity	Final
NCHRP 03-44	Improved Traffic Control Device Design and Placement to Aid the Older Driver	Completed
NCHRP 03-45	Speed-Flow Relationships for Basic Freeway Segments	Final
NCHRP 03-46	Capacity and Level of Service at Unsignalized Intersections	Final
NCHRP 03-47	Capacity Analysis of Interchange Ramp Terminals	Final
NCHRP 03-48	Capacity Analysis for Actuated Intersections	Final
NCHRP 03-49	Capacity and Operational Effects of Midblock Left-Turn Lanes	Final
NCHRP 03-50	Driver Information Overload	Completed
NCHRP 03-50(2)	Additional Investigations on Driver Information Overload	Completed
NCHRP 03-51	Communications Mediums for Signal, IVHS, and Freeway Surveillance Systems	Completed
NCHRP 03-52	Impacts of Access-Management Techniques	Final
NCHRP 03-52A	Impacts of Access-Management Techniques	Final
NCHRP 03-53	Development of a HOV Systems Manual	Completed
NCHRP 03-54	Uniform Traffic Signal Displays for Protected/Permissive Left Turn Control	Final
NCHRP 03-54(2)	Evaluation of Traffic Signal Displays for Protected/Permissive Left Turn Control	Final
NCHRP 03-55	A Highway Capacity Manual for the Year 2000	Final
NCHRP 03-55(2)	Techniques to Estimate Speeds and Service Volumes for Planning Applications	Final
NCHRP 03-55(2)A	Planning Applications for the Year 2000 Highway Capacity Manual	Completed
NCHRP 03-55(3)	Capacity and Quality of Service for Two-Lane Highways	Completed
NCHRP 03-55(4)	Performance Measures and Levels of Service in the Year 2000 Highway Capacity Manual	Final
NCHRP 03-55(5)	Capacity and Quality of Service of Weaving Areas	Completed
NCHRP 03-55(6)	Production of the Year 2000 Highway Capacity Manual	Final
NCHRP 03-56	Systemwide Impact of Safety and Traffic Operation Design Decisions for Resurfacing, Restoration, or Rehabilitation (RRR) Projects	Completed
NCHRP 03-57	Recommended Traffic-Control Devices for Railroad-Highway Grade Crossings	Completed
NCHRP 03-58	Assessing Traffic Control Signal Installations Using Capacity Analysis and Simulation	Completed
NCHRP 03-59	Assessment of Variable Speed Limit Implementation Issues	Completed
NCHRP 03-60	Capacity and Quality of Service of Interchange Ramp Terminals	Completed	Results incorporated into the HCM
NCHRP 03-60A	Validation and Enhancement of the Highway Capacity Manual’s Interchange Ramp Terminal Methodology	Final
NCHRP 03-61	Communicating Changes in Horizontal Alignment	Completed
NCHRP 03-62	Guidelines for Accessible Pedestrian Signals	Completed
NCHRP 03-63	Assessment of Sharing Information Between Public Safety and Transportation Agencies for Traffic-Incident Management	Completed
NCHRP 03-64	Highway Capacity Manual Applications Guide	Final
NCHRP 03-65	Applying Roundabouts in the United States	Final
NCHRP 03-65A	Update of 'Roundabouts: An Informational Guide'	Final
NCHRP 03-66	Traffic Signal State Transition Logic Using Enhanced Sensor Information	Completed
NCHRP 03-67	Expert System for Recommending Speed Limits in Speed Zones	Completed
NCHRP 03-68	Guide to Effective Freeway Performance Measurement	Completed
NCHRP 03-69	Design of Construction Work Zones on High-Speed Highways	Completed
NCHRP 03-70	Multimodal Level of Service Analysis For Urban Streets	Completed
NCHRP 03-71	Innovative Pedestrian Treatments at Unsignalized Crossings	Completed
NCHRP 03-72	Lane Widths, Channelized Right Turns, and Right-Turn Deceleration Lanes in Urban and Suburban Areas	Final
NCHRP 03-73	Separation of Vehicles - CMV Only Lanes	Final	Completed. Published as NCHRP Report 649/NCFRP Report 3.
NCHRP 03-74	Guidelines for Selection of Speed Reduction Treatments at High-Speed Intersections	Completed
NCHRP 03-75	Analysis of Freeway Weaving Sections	Completed
NCHRP 03-76A	Highway Traffic Signal Warrant For Intersections Near Highway-Rail Grade Crossings	Completed	Results incorporated into the MUTCD
NCHRP 03-76B	Low-Cost Active Warning Systems for Highway-Rail Grade Crossings	Final
NCHRP 03-77	Guide to Contracting Intelligent Transportation System Projects	Final
NCHRP 03-78	Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities	Completed
NCHRP 03-78A	Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities	Completed
NCHRP 03-78B	Guidelines for the Application of Crossing Solutions at Roundabouts and Channelized Turn Lanes to Assist Pedestrians with Vision Disabilities	Completed
NCHRP 03-78C	Training and Technology Transfer for Accessability Guidelines for Roundabouts and Channelized Turn Lanes	Final
NCHRP 03-79	Measuring and Predicting the Performance of Automobile Traffic on Urban Streets	Final
NCHRP 03-79A	Arterial Performance Measures	Final
NCHRP 03-80	Traffic Enforcement Strategies for Work Zones	Final
NCHRP 03-81	Strategies for Integrated Operation of Freeway and Arterial Corridors	Completed
NCHRP 03-82	Default Values for Capacity and Quality of Service Analyses	Completed	Published as NCHRP Report 599
NCHRP 03-83	Low-Cost Improvements for Recurring Freeway Bottlenecks	Final
NCHRP 03-84	Guide for Multistate Transportation Operations Programs	Completed	Report delivered to AASHTO for publication.
NCHRP 03-85	Guidance for the Use of Alternative Traffic Analysis Tools in Highway Capacity Analyses	Final
NCHRP 03-87	Proactive Ramp Management Under the Threat of Freeway-Flow Breakdown	Completed
NCHRP 03-88	Guidelines for Ramp and Interchange Spacing	Completed	The revised final report has been received and is being prepared for publication.
NCHRP 03-89	Design Guidance for Channelized Right-Turn Lanes	Final
NCHRP 03-90	Operation of Traffic Signal Systems in Oversaturated Conditions	Final
NCHRP 03-91	Left-Turn Accommodations at Unsignalized Intersections	Final
NCHRP 03-92	Production of the Year 2010 Highway Capacity Manual	Final
NCHRP 03-93	Automated Enforcement for Speeding and Red Light Running	Completed	NCHRP Report 729: Automated Enforcement for Speeding and Red Light Running
NCHRP 03-94	Transportation Systems Operations and Management Guide	Final
NCHRP 03-95	Guidelines for Timing Yellow and All-Red Intervals at Signalized Intersections	Completed	NCHRP Report 731: Guidelines for Timing Yellow and All-Red Intervals at Signalized Intersections
NCHRP 03-96	Analysis of Managed Lanes on Freeway Facilities	Final
NCHRP 03-96A	Analysis of Oversaturated Traffic Flow Conditions on Freeway Facilities	Final	The project is canceled
NCHRP 03-97	Traffic Signal Analysis with Varying Demands and Capacities	Completed
NCHRP 03-98	Guidelines on the Use of Auxiliary Through Lanes at Signalized Intersections	Final	Final Report published as NCHRP Report 707
NCHRP 03-99	Development and Application of Access Management Guidelines	Final
NCHRP 04-15	Corrosion Protection of Prestressing Systems in Concrete Bridges	Completed
NCHRP 04-16	Cost and Service Life of Pavement Markings	Completed
NCHRP 04-18	Design and Evaluation of Large Stone Mixtures	Completed
NCHRP 04-19	Aggregate Tests Related to Asphalt Concrete Performance in Pavements	Completed
NCHRP 04-19(2)	Validation of Performance-Related Tests of Aggregates for Use in Hot-Mix Asphalt Pavements	Completed
NCHRP 04-20	Aggregate Tests Related to Performance of Portland Cement Concrete	Completed
NCHRP 04-20A	State of the Art Report and Plan for Research on Aggregates Tests Related to Performance of Portland Cement Concrete Pavements	Completed
NCHRP 04-20B	Aggregate Tests Related to Performance of Portland Cement Concrete Pavements	Completed
NCHRP 04-20C	Aggregate Tests Related to Performance of Portland Cement Concrete Pavements: State of the Knowledge	Completed
NCHRP 04-21	Appropriate Use of Waste and Recycled Materials in the Transportation Industry	Final
NCHRP 04-22	Pavement-Marking Materials: Health, Environmental, and Performance Assessment	Completed
NCHRP 04-23	Performance-Related Tests of Aggregates for Use in Unbound Pavement Layers	Completed
NCHRP 04-24	HDPE Pipe Material Specifications and Design Requirements	Completed
NCHRP 04-25	Implementation Plan for Automating Highway-Materials Testing	Completed
NCHRP 04-26	Thermoplastic Drainage Pipe, Design and Testing	Completed	The project final report is available as NCHRP Report 631.
NCHRP 04-27	Application of Fiber Reinforced Polymer (FRP) Composites to the Highway Infrastructure: Strategic Plan	Completed
NCHRP 04-28	Feasibility Study for an All-White Pavement Marking System	Completed
NCHRP 04-29	Selection of Materials to Optimize Sign Performance	Completed
NCHRP 04-30	Test Methods for Characterizing Aggregate Shape, Texture, and Angularity	Completed
NCHRP 04-30A	Test Methods for Characterizing Aggregate Shape, Texture, and Angularity	Completed
NCHRP 04-31	Tests of Recycled Aggregates for Use in Unbound Pavement Layers	Completed
NCHRP 04-32	Performance and Quality Control of Corrugated Pipe Manufactured with Recycled Polyethylene Content	Completed	The project final report is available as NCHRP Report 696.
NCHRP 04-33	Procedures for Testing and Evaluating Detectable Warning Systems	Completed
NCHRP 04-34	Application of LADAR in the Analysis of Aggregate Characteristics	Completed
NCHRP 04-35	Improved Test Methods for Specific Gravity and Absorption of Coarse and Fine Aggregate	Completed
NCHRP 04-36	Characterization of Cementitiously Stabilized Layers for Use in Pavement Design and Analysis	Completed
NCHRP 04-37	Long-Term Performance of Epoxy Adhesive Anchor Systems	Completed	The project final report is available as NCHRP Project 757.
NCHRP 04-38	Recommended Laboratory Test for Predicting the Initial Retroreflectivity of Pavement Markings from Glass Bead Quality	Completed	The project final report is available as NCHRP Report 743.
NCHRP 04-39	Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content	Completed
NCHRP 04-40	Reliability-Based Geotechnical Resistance Factors for Axially-Loaded Micropiles	Final
NCHRP 04-41	Deterioration Rates and Unit Costs for Geotechnical Assets	Final	Project is cancelled
NCHRP 05-10	A Mobile System for Measuring Retroreflectance of Traffic Signs	Completed
NCHRP 05-11	Implementation Strategies for Sign Retroreflectivity Standards	Final
NCHRP 05-12	Requirements for Application of Light Emitting Diodes (LEDs) to Traffic Control Signals	Final
NCHRP 05-13	Illumination Guidelines for Nighttime Highway Work	Completed
NCHRP 05-13(2)	Illumination Guidelines for Nighttime Highway Work	Completed
NCHRP 05-14	Advance Warning Arrow Panel Visibility	Completed
NCHRP 05-15	Visibility Performance Requirements for Vehicular Traffic Signals	Completed
NCHRP 05-16	National Calibration Standards for Measuring Retroreflectivity	Completed
NCHRP 05-17	Safety Evaluation of Permanent Raised Pavement Markers	Completed
NCHRP 05-18	Color Effectiveness of Yellow Pavement Marking Materials	Completed
NCHRP 05-19	Guidelines for Roadway Lighting Based on Safety Benefits and Costs	Completed	The research has been terminated. Papers on various aspects of the research are available at the links provided below.
NCHRP 05-20	Guidelines for Nighttime Visibility of Overhead Guide Signs	Completed
NCHRP 05-21	Safety and Performance Criteria for Retroreflective Pavement Markers	Final	Research complete. Final Report published as NCHRP Research Report 1015
NCHRP 05-22	Guidelines for Solid-State Roadway Lighting	Completed
NCHRP 05-22A	Gaps and Emerging Technologies in the Application of Solid-State Roadway Lighting	Final
NCHRP 05-23	Effects of LED Roadway Lighting on Driver Sleep Health and Alertness	Completed
NCHRP 05-24	Development of Guidelines for Vehicle and Equipment Marking and Lighting	Final	Published as NCHRP Report 1085 on 1/23/2024
NCHRP 05-25	Guide to the Contextual Application of Overhead Lighting on Highways	Active
NCHRP 05-26	Development of Updated Warrants for Roadway Lighting	Active	Research in progress.
NCHRP 05-27	Guide for Lighting at Innovative Intersections/Interchanges, including Roundabouts	Active	Research in progress
NCHRP 06-12	Improved Visibility for Snow Plowing Operations	Completed
NCHRP 06-13	Guidelines for Snow and Ice Control Materials and Methods	Completed
NCHRP 06-14	Feasibility of Using Friction Indicators to Improve Winter Maintenance Operations and Mobility	Completed
NCHRP 06-15	Testing and Calibration Methods for RWIS Sensors	Completed
NCHRP 06-16	Guidelines for the Selection of Snow and Ice Control Materials To Mitigate Environmental Impacts	Completed
NCHRP 06-17	Performance Measures for Snow and Ice Control Operations	Completed
NCHRP 06-18	Guide for Snow and Ice Control Operations	Completed
NCHRP 06-19	Guidebook for Mechanical Methods for Snow and Ice Control Operations	Final
NCHRP 07-12	Microcomputer Evaluation of Highway User Benefits	Completed
NCHRP 07-12(2)	Metrication and Enhancement of MicroBENCOST Software Package	Completed
NCHRP 07-13	Quantifying Congestion	Final
NCHRP 07-14	Guidelines for Analysis of Investments in Bicycle Facilities	Completed
NCHRP 07-15	Cost-Effective Measures and Planning Procedures for Travel Time, Delay, and Reliability	Final
NCHRP 07-16	Recommended Revisions to the AASHTO Guidelines for Traffic Data Programs	Final
NCHRP 07-17	Pedestrian and Bicycle Transportation along Existing Roads	Final
NCHRP 07-18	Crash Experience Warrant for Traffic Signals	Final
NCHRP 07-19	Methods and Technologies for Collecting Pedestrian and Bicycle Volume Data	Final	Guidebook published as NCHRP Report 797; final research report is available as Web-only Document 205
NCHRP 07-20	Guidance for Implementation of Traffic Incident Management Performance Measurement	Final
NCHRP 07-21	Asset Management Guidance for Traffic Control Devices, Barriers, and Lighting	Active
NCHRP 07-22	Planning and Preliminary Engineering Applications Guide to the Highway Capacity Manual	Final	Published as NCHRP Report 825
NCHRP 07-23	Access Management in the Vicinity of Interchanges	Final	Final report NCHRP Research Report 977 Volumes 1 and 2 are available.
NCHRP 07-24	Estimating the Value of Truck Travel Time Reliability	Final	Published as NCHRP Research Report 925
NCHRP 07-25	Guide for Pedestrian and Bicycle Safety at Alternative Intersections and Interchanges (A.I.I.)	Final	Published as NCHRP Research Report 948
NCHRP 07-26	Update of Highway Capacity Manual: Merge, Diverge, and Weaving Methodologies	Final	Published as NCHRP Research Report 1038
NCHRP 07-27	An Update of the Green Book Design Vehicles Requirements	Final	Published as NCHRP Research Report 1061.
NCHRP 07-28	Assessing the Safety Impacts of Right-Turn Lanes on Rural and Suburban Highways	Final	NCHRP 07-28 has been divided into NCHRP 07-28(01) and NCHRP 07-28(02)
NCHRP 07-28(01)	Assessing the Impacts of Right-Turn Lanes on Rural and Suburban Highways	Final	Final report published as NCHRP Research Report 1062.
NCHRP 07-28(02)	Assessing the Multimodal Safety Performance of Turn Lanes	Active	Research in progress.
NCHRP 07-29	Development of the 8th Edition of AASHTO's A Policy on the Geometric Design of Highways and Streets (Green Book)	Active	Research in progress.
NCHRP 07-30	Methods for Assigning Short-Duration Traffic Volume Counts to Adjustment Factor Groups for Estimating AADT	Final
NCHRP 07-31	State DOT and Tribal Use of Active Transportation Data: Practices, Sources, Needs, and Gaps	Active	Research in progress
NCHRP 07-32	Guide for Long-Term Automated Traffic Signal Performance Measurement Systems Applications	Active	Research in progress.
NCHRP 07-33	Evaluate the Benefits of Increasing Clear Zone at Higher Speed/Traffic Volume/Crash Locations	Active	Research is progress.
NCHRP 07-34	Artificial Intelligence for Transportation Systems Management and Operations Applications	Active
NCHRP 07-35	Improving Crash Data for Active Transportation Users	Active	Research underway
NCHRP 07-36	Guide for Self-Explaining Roads in the Context of the Safe System Approach	Active	Research in progress
NCHRP 07-37	Modern and Proven Approaches to Planning, Design, and Operation of Pedestrian Facilities	RFP
NCHRP 08-100	Environmental Justice Analyses When Considering Toll Implementation or Rate Changes	Completed
NCHRP 08-101	Enhanced Truck Data Collection and Analysis for Emissions Modeling	Final	Published as NCHRP Report 909
NCHRP 08-102	Bicyclist Facility Preferences and Effects on Increasing Bicycle Trips	Final
NCHRP 08-103	Implementing NCHRP Report 806: Guide to Cross-Asset Resource Allocation and the Impact on Transportation System Performance	Final	Published as NCHRP Research Report 921
NCHRP 08-104	A Guidebook for Post-Award Contract Administration for Highway Projects Delivered Using Alternative Contracting Methods	Completed
NCHRP 08-105	Measuring the Effectiveness of Public Involvement in Transportation Planning and Project Delivery	Final
NCHRP 08-106	Metropolitan Freight Transportation: Implementing Effective Strategies	Final	Published as NCHRP Report 897.
NCHRP 08-107	A Guidebook for Emergency Contracting Procedures for Administration of a Regional Emergency	Final
NCHRP 08-108	Developing National Performance Management Data Strategies to Address Data Gaps, Standards, and Quality	Final
NCHRP 08-109	Updating the AASHTO Transportation Asset Management Guide—A Focus on Implementation, Phase 1	Completed
NCHRP 08-110	Traffic Forecasting Accuracy Assessment Research	Completed
NCHRP 08-111	Effective Decision-Making Methods for Freight-Efficient Land Use	Final
NCHRP 08-112	A Guidebook for Implementing Alternative Technical Concepts into Project Delivery Methods	Final	Final publication now available.
NCHRP 08-113	Integrating Effective Transportation Performance, Risk, and Asset Management Practices	Final	Published as NCHRP Research Report 985
NCHRP 08-114	Systematic Approach for Determining Construction Contract Time: A Guidebook	Final	Work completed under NCHRP 08-114A and published as NCHRP Research Report 979
NCHRP 08-114A	Systematic Approach for Determining Construction Contract Time: A Guidebook	Final
NCHRP 08-115	Guidebook for Data and Information Systems for Transportation Asset Management	Final
NCHRP 08-116	Framework for Managing Data from Emerging Transportation Technologies to Support Decision-Making	Final	NCHRP Research Report 1008: Workforce 2030: Attracting, Retaining, and Developing the 2030 Transportation Workforce: Design, Construction, and Maintenance
NCHRP 08-117	Impact of Transformational Technologies on Land Use and Transportation	Final
NCHRP 08-118	Risk Assessment Techniques for Transportation Asset Management	Final
NCHRP 08-119	Data Integration, Sharing, and Management for Transportation Planning and Traffic Operations	Completed
NCHRP 08-120	Initiating the Systems Engineering Process for Rural Connected Vehicle Corridors	Final	Final report NCHRP 978 is now available.
NCHRP 08-121	Accessibility Measures in Practice: Guidance for Transportation Agencies	Final
NCHRP 08-122	Metropolitan Planning Organizations: Strategies for Future Success	Final
NCHRP 08-123	Census Transportation Data Field Guide for Transportation Applications	Final	Published as NCHRP Research Report 1108.
NCHRP 08-124	Quantifying the Impacts of Corridor Management	Final	Project deliverables have been published and may be found here: https://nap.nationalacademies.org/catalog/27477/quantifying-the-impacts-of-corridor-management
NCHRP 08-125	Attracting, Retaining, and Developing the Transportation Workforce: Transportation Planners	Final
NCHRP 08-128	Snapshots of Planning Practices	Active
NCHRP 08-129	Incorporating Resilience Concepts and Strategies in Transportation Planning	Final	Published as NCHRP Research Report 1052: Integrating Resilience Concepts into Transportation Planning
NCHRP 08-130	Best Practices in Coordination of Public Transit and Ride Sharing	Active	Research in progress.
NCHRP 08-131	Access to Jobs, Economic Opportunities, and Education in Rural Areas	Final
NCHRP 08-132	Accessing America's Great Outdoors: Forecasting Recreational Travel Demand	Final
NCHRP 08-133	Implementing the National Intercity Bus Atlas	Final	Phases II and III will be executed under NCHRP 08-133(01)
NCHRP 08-133(01)	Implementing the National Intercity Bus Atlas (Phases II and III)	Active	Changed Staff Officer - 9.14.23
NCHRP 08-134	Integrating Freight Movement into 21st Century Communities' Land Use, Design, and Transportation Systems	Final
NCHRP 08-135	Reliability and Quality of Service Evaluation Methods for Rural Highways	Final
NCHRP 08-136	Guidebook on Using Performance-Based Management Approaches for Maintenance	Active	Research in progress.
NCHRP 08-137	Updates to the Digital Edition of the AASHTO Transportation Asset Management Guide	Final
NCHRP 08-138	Guide to the Integration of Transportation Systems Management and Operations into Transportation Asset Management	Active
NCHRP 08-139	Guide for Preventing and Mitigating the Risk of Bridge and Tunnel Strikes by Motor Vehicles	Completed	The final deliverables will be published as NCHRP Research Report 1132 and NCHRP Web-Only Document 411
NCHRP 08-140	Guide for Truck Parking Information Management Systems	Completed
NCHRP 08-141	A Guidebook for Local Truck Parking Regulations	Active	Research in progress.
NCHRP 08-142	Virtual Public Involvement: A Manual for Effective, Equitable, and Efficient Practices for Transportation Agencies	Completed	In publication process
NCHRP 08-143	Guide to the Application of Spatial Segmentation on Travel Time Reliability Measures	Active
NCHRP 08-144	Rural Transit Fleet Mix and Vehicle Size Decision Trees	Active	Research in progress
NCHRP 08-145	Utilizing Cooperative Automated Transportation (CAT) Data to Enhance Freeway Operational Strategies	Final
NCHRP 08-146	Integrating Resiliency into Transportation System Operations	Completed	Final deliverables pending
NCHRP 08-147	Improving Public Transportation in Rural Areas and Tribal Communities	Completed
NCHRP 08-148	A Guide for Management of Out-of-Service Facilities	Active	Research in progress.
NCHRP 08-149	Estimating Benefits of Closing Gaps in Active Transportation Networks	Completed	In publication process
NCHRP 08-150	Tools to Integrate Equity into Active Transportation and Safety Investments	Active	Research in progress
NCHRP 08-151	Risk Management at State DOTs: Building Momentum and Sustaining the Practice	Completed	New SPO as of 9.14.23
NCHRP 08-152	Strategies for Improving Diversity, Equity, and Inclusion in the Transportation Planning Profession	Active	Research in progress
NCHRP 08-153	A Guide for the Development and Use of Truck Traffic Forecasts in Design	Active
NCHRP 08-154	Guidance for Agencies to Incorporate Uncertainty into Long-Range Transportation Planning	Active
NCHRP 08-155	Handbook for Addressing Racial Disparities in the Project Delivery Process	Active	Research is progress.
NCHRP 08-156	Planning for Innovative and Emerging Mobility Futures at Intermodal Passenger Facilities	Anticipated	$200,000 to TCRP D-21
NCHRP 08-157	Data Fusion of Probe and Point Sensor Data: A Guide.	Final
NCHRP 08-158	A Compendium for Communicating the Value of Freight and Community Interactions	Pending	Contract pending at this time.
NCHRP 08-159	How to Assess and Address Equity of Access to Essential Goods and Services	Active
NCHRP 08-160	Guide to Identify and Mitigate the Negative Effects of Gentrification Caused by Transportation Investment	Active
NCHRP 08-161	Cultivating Accountability Through Meaningful Public Engagement	Active
NCHRP 08-162	Guidance for Implementing Equitable Transportation Decision-Making	Active
NCHRP 08-163	Defining Appropriate Design and Accommodation Thresholds for Active Transportation in a Context-Driven Approach	Active
NCHRP 08-164	Institutional Integration of Active Transportation	Active	Research is progress.
NCHRP 08-165	Use of Active Transportation Data in Decision-Making	Active
NCHRP 08-166	Racial and Socioeconomic Inequities in Active Transportation Safety	Pending
NCHRP 08-167	Guide for Creating Effective Transportation Visualizations	Active	Research in progress.
NCHRP 08-168	Analysis and Assessment of the National Performance Management Data	Active	Research in progress
NCHRP 08-169	Valuing Diversity, Equity, and Inclusion in Transportation Asset Management	Active
NCHRP 08-170	Closing the Loop: Post-Implementation Evaluation of Transportation Projects	Active
NCHRP 08-171	Institutionalizing the Safe System Approach in Transportation Planning and Programming	Active
NCHRP 08-172	Benefit Analysis of Private Health Sector Investments in Non-Emergency Medical Transportation	Active	Research is progress.
NCHRP 08-173	NCHRP 08-173: Impacts of E-Commerce on Travel and Land Use Patterns	Active
NCHRP 08-174	Development of a Surveying and Mapping Guide for Transportation Projects	Active
NCHRP 08-175	Understanding Travel Behavior Impacts of Transportation Systems Management and Operations Strategies	Active
NCHRP 08-176	Balancing Freight and Goods Delivery Needs in Designing Complete Streets	Active	Research is progress.
NCHRP 08-177	Digitizing Bicycle and Pedestrian Treatments for Promoting Active Transportation Equity and Safety	Active	Research in Progress
NCHRP 08-178	Identifying and Evaluating Divided, Overburdened, and Underrepresented Communities	Active
NCHRP 08-179	Strategies and Actions for Collaboration: A Guide for DOTs, MPOs, and Partners	Active
NCHRP 08-180	Achieving Efficient Cultural Resources Management in Project Delivery	Active
NCHRP 08-181	Impacts of Climate Change and Extreme Weather on the Mobility of Socially Vulnerable Populations	Active
NCHRP 08-182	Playbook for Communicating Benefits of Transportation Systems Management and Operations Strategies Using System Performance Data	Pending
NCHRP 08-183	Resource to Support Volunteer Driver Programs in Rural and Low-Density Areas	Active
NCHRP 08-184	Induced Demand Assessment Framework: A Guide	Active
NCHRP 08-185	Advancing TSMO Knowledge Management with Generative AI	Pending
NCHRP 08-186	Best Practices for Distributed Rainfall-Runoff Models to Transform Hydrologic and Hydraulic Modeling for Resilient Transportation Planning and Design	Anticipated	In development
NCHRP 08-187	Primer for Using Generative AI Models in Transportation Planning	Pending
NCHRP 08-188	Third-Party Origin-Destination Data Validation for Transportation Planning Applications	RFP
NCHRP 08-189	Developing a Data Repository to Help with TSMO Strategies Evaluations	RFP
NCHRP 08-190	A Decision Framework for Advancing Safe Truck Parking	RFP
NCHRP 08-191	Safe Connections for Tribal and Rural Communities to the Intercity Bus Network	Pending
NCHRP 08-192	Traffic Impacts of E-Commerce in Urbanized Areas: A Guide	Pending
NCHRP 08-193	Implementation of Accessible Temporary and Alternate Pedestrian Access Routes in the Public Right-of-Way	RFP
NCHRP 08-194	Building an Effective Framework for Active Transportation Messaging	RFP
NCHRP 08-195	Using Data to Enable Community-Centered Transportation	Pending
NCHRP 08-24A	Forecasting the Basic Inputs to Transportation Planning at the Zonal Level	Final
NCHRP 08-28	Strategic Planning and Management for Transportation Agencies	Completed
NCHRP 08-29	Travel Estimation Techniques for Urban Planning	Final
NCHRP 08-29(2)	Travel Estimation Techniques for Urban Planning	Final
NCHRP 08-30	Characteristics and Changes in Freight Transportation Demand	Completed
NCHRP 08-30A	Freight Capacity for the Next Century	Completed
NCHRP 08-31A	Long-Term Availability of Multimodal Corridor Capacity	Completed
NCHRP 08-32	Workshop on Multimodal Transportation Planning Research Needs	Completed
NCHRP 08-32(1)	Innovative Practices for Multimodal Transportation Planning for Freight and Passengers	Completed
NCHRP 08-32(2)	Multimodal Transportation: Development of a Performance-Based Planning Process	Completed
NCHRP 08-32(2)A	Multimodal Transportation: Development of a Performance-Based Planning Process	Completed
NCHRP 08-32(3)	Integration of Land-Use Planning with Multimodal Transportation Planning	Completed
NCHRP 08-32(4)	Developing and Maintaining Partnerships for Multimodal Transportation Planning	Completed
NCHRP 08-32(5)	Multimodal Transportation Planning Data	Completed
NCHRP 08-33	Quantifying Air-Quality and Other Benefits and Costs of Transportation Control Measures	Completed
NCHRP 08-34	Major Investment Studies: Development of a Practitioner's Guidebook for Effective Study Design, Management, and Implementation	Completed
NCHRP 08-35	Incorporating ITS into the Transportation Planning Process	Final
NCHRP 08-36	Research for the AASHTO Standing Committee on Planning	Final	Completed. See individual Tasks for project details.
NCHRP 08-36/Task 001	Parking Modeling Procedures	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 002	Incorporating System Operations and Management Practices in Transportation Planning	Final	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 003	Management of Institutional Changes in State Transportation Planning Processes and Programs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 004	The Use of Expert Panels in Analyzing Transportation and Land Use Alternatives	Final	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 005	Incorporating Market Research Techniques into the Transportation Planning Process	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 006	Product Delivery of New and Improved Travel Forecasting Procedures	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 007	Development of a Multimodal Tradeoffs Methodology for Use in Statewide Transportation Planning	Final	See NCHRP 08-36/Task 7(02) for the Phase II Report
NCHRP 08-36/Task 007(02)	Development of a Multimodal Tradeoffs Methodology for Use in Statewide Transportation Planning	Final	Please see NCHRP 08-36/Task 7 for the Phase I Report
NCHRP 08-36/Task 008	Workshop on Transportation Performance Measures	Completed	Completed---Published as TRB Conference Proceedings 26
NCHRP 08-36/Task 009	Defining and Identifying Probable Non-Attainment Areas for PM2.5	Completed	Completed---Final report sent to AASHTO; see Project 25-17
NCHRP 08-36/Task 010	Global Climate Change and Transportation: Coming to Terms	Completed	Completed---Final report published by Eno Foundation and sent to AASHTO
NCHRP 08-36/Task 011	Technical Methods to Support Analysis of Environmental-Justice Issues	Final	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 013	National Conference on Transportation and Economic Development	Completed	Completed---Published as TRB Circular E-C050
NCHRP 08-36/Task 014	Consultation Between State DOTs and Local Elected Officials in Non-Metropolitan Areas	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 015	Conference on Transportation and the Environment for the 21st Century	Completed	Completed---Published as TRB Circular E-C028
NCHRP 08-36/Task 016	Assessment of Proposed Planning and National Environmental Policy Act Regulations	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 017	Two-Way Education Process with a New CEO on Transportation Planning	Completed	Task cancelled
NCHRP 08-36/Task 018	Incorporating Safety into the Transportation Planning Process	Final	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 019	Transportation Environmental Research Needs Conference	Completed	Completed---Published as TRB Conference Proceedings 28
NCHRP 08-36/Task 020	Conformity Problems Caused by the Mismatch in SIP / Transportation Plan Timeframe	Completed	Completed---Final report sent to AASHTO; $25K from Project 20-7/Task 141
NCHRP 08-36/Task 021	Expediting the Transportation Planning Process to Meet Fast Paced Customer Requirements	Final	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 022	Demonstrating the Positive Impacts of Transportation Investments on Economic, Social, Environmental, Community, and Quality of Life Issues	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 023	Review of the Potential Feasibility of Using Alternative Revenue Sources to Fund Future State Transportation Needs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 024	Investment Requirements Scenarios Development	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 025	Improved Geographic Clarity in Reporting of Road System Extent	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 026	Surface Transportation Safety and Investment	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 027	Interstate Interchange Review	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 028	Rural Conformity: A Survey of Practice	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 029	Development of a Multimodal Tradeoffs Methodology for Use in Statewide Transportation Planning: Application of the Framework	Completed	Contracted as 08-36/Task 07(02); continuation of Project 08-36/Task 07
NCHRP 08-36/Task 030	Workshop on Issues in Intermodal Connectors	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 031	Elderly Issues in the Transportation Planning Process	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 032	Tools, Techniques, and Methods in Rural Transportation Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 033	Best Practices in Statewide Freight Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 034	Incorporating Security into the Transportation Planning Process	Completed	Completed---Published as NCHRP Report 525, Volume 3
NCHRP 08-36/Task 035	Evaluating State DOT's Planning Practices in Rural Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 036	Continuation of NCHRP 8-36(6) TMIP Support	Completed	Completed. For contract purposes, this has been amended into the work plan of NCHRP Project 8-36, Task 6.
NCHRP 08-36/Task 037	A Retrospective on the Conditions and Performance Report	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 038	Supplemental Evaluation in Support of NCHRP 25-17	Completed	Completed---Results incorporated into NCHRP 25-17 final report
NCHRP 08-36/Task 039	Forecasting Travel Time, Delay, and Reliability	Completed	Completed: For contract purposes, this task has been amended into NCHRP Project 7-15 and will be reported there.
NCHRP 08-36/Task 040	National Site Visits on Transportation and Growth	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 041	Non-Response to Personal Travel Surveys (support for NCHRP 8-37)	Completed	Completed---Results incorporated into NCHRP 08-37 final report
NCHRP 08-36/Task 042	MPO Redefinition and Evolving Roles	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 043	Return on Investment on Freight Rail Capacity Improvement	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 044	Multi-State MPOs: Approaches, Cases, and Institutional Arrangements	Final	Completed--Final: Report sent to AASHTO
NCHRP 08-36/Task 045	Multi-State Corridor Planning	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 046	Synthesis of Where Data Groups are Organizationally Located in State DOTs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 047	Effective Organization of Performance Measurement	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 048	Guidance for Better Linking Systems Planning and the NEPA Process	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 049	Synthesis of Metropilitan-Level Transportation Funding Sources	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 050	What is the Impact of an Aging Population on System Planning and Investment Policies?	Completed	Completed---Final report has been received
NCHRP 08-36/Task 051	Information Design for Effective Decision Making and Communication	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 052	Changes in Travel Behavior/Demand Due to Managed Lanes (HOV, HOT) Facility System Expansion	Final	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 053	Peer Review Capacity Building Partnership: Best Practices in Non-Traditional Performance Measures, Multimodal Goods Movement Tradeoffs, Safety, Reliability, and State Funding	Completed	Completed---Final reports sent to AASHTO
NCHRP 08-36/Task 054	Census Data For Transportation Planning	Completed	Completed---Papers posted to TRB Conference website and will be published in Conference Proceedings 12/30/2006
NCHRP 08-36/Task 055	The Role of Collaboration in Freight Transportation Management	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 056	Highway Construction Project Coordination to Minimize Traffic Impacts	Final	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 057	Institutional Needs in Safety Planning	Final	Completed
NCHRP 08-36/Task 058	Best Practices for State and MPO NHS and STP Programming	Final
NCHRP 08-36/Task 059	Transportation and Health	Final	Completed
NCHRP 08-36/Task 060	State DOT Consideration of Infrastructure Development Potential Planning	Completed	Completed
NCHRP 08-36/Task 061	Monetary Valuation Per Dollar of Investment in Different Performance Measures	Completed	Completed
NCHRP 08-36/Task 062	Best Practice Methodology for Calculating Return on Investment (ROI) for Transportation Programs and Projects	Completed	Completed - Final Report sent to AASHTO
NCHRP 08-36/Task 063	Making NAICS (North American Industrial Classification System) Work for Transportation	Completed	Completed
NCHRP 08-36/Task 064	Right of Way Methods and Tools to Control Project Cost Escalation	Completed	Completed--project canceled and funds combined with NCHRP Project 08-49, Procedures for Cost Estimation and Management for Highway Projects During Planning, Programming, and Reconstruction
NCHRP 08-36/Task 065	Best Practices for Incorporating Commodity Flow Survey and Related Data into the MPO and Statewide Planning Processes	Final	Final Report sent to AASHTO
NCHRP 08-36/Task 066	Improved Methods for Assessing Social, Cultural, and economic Effects of Transportation Projects	Final	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 067	Best Practices in Using Programmatic Investment Strategies in Statewide Transportation Plans	Final	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 068	Implications of New 8-Hour Control Strategy Development on Transportation Programs, Policies, and Projects	Completed	Completed
NCHRP 08-36/Task 069	Peer Review Sessions to be amended into NCHRP 8-36(53)	Final	Completed; Reports sent to AASHTO
NCHRP 08-36/Task 070	Scoping Study for Statewide Travel Forecasting National Model	Final
NCHRP 08-36/Task 071	Disclosure Avoidance Techniques to Improve ACS Data Availability	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 08-36/Task 072	Implementing Project Cost Estimation and Management Process Improvements	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 073	Adding Resilience to the Freight System in Statewide and Metropolitan Transportation Plans: Developing a Conceptual Approach	Completed	Completed - Final Report sent to AASHTO
NCHRP 08-36/Task 074	Customer Research Practices and Applications in Transportation	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 075	Research Finders	Completed	Completed--Final report sent to AASHTO
NCHRP 08-36/Task 076	Conference on Best Practices in Meeting SAFETEA-LU Requirements in the Statewide Transportation Planning Process	Final	Completed.
NCHRP 08-36/Task 078	Small Community Research and Peer Exchange	Final	Completed
NCHRP 08-36/Task 079	Scoping Study for a Freight Data Exchange Network	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 08-36/Task 080	Synthesis of State Practices in Developing Linear Referencing Systems	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 08-36/Task 081	Enhancing the American Community Survey Data as a Source for Home-to-Work Flows	Final
NCHRP 08-36/Task 083	Transportation Planning Partnerships to Enhance National Parks and Gateway Communities	Final
NCHRP 08-36/Task 084	Asset Management of Environmental Mitigation Features	Final	Funding was provided to NCHRP 25-25, Task 51
NCHRP 08-36/Task 085	Congestion Pricing and Investment Requirements	Final	This project is complete and the final report has been sent to AASHTO.
NCHRP 08-36/Task 086	Corridor Approaches to Integrating Land Transportation and Land Use	Completed
NCHRP 08-36/Task 087	SCOP Strategic Planning	Final
NCHRP 08-36/Task 088	Transportation Research Programs to Address Energy and Climate Change	Final	Completed-- See TRB Special Report 299
NCHRP 08-36/Task 089	Evaluating and Communicating Model Results: Guidebook for Planners	Final	Final Report sent to AASHTO
NCHRP 08-36/Task 090	Best Practices in the Use of Microsimulation Models	Final	Completed. Final Report submitted to AASHTO SCOP
NCHRP 08-36/Task 091	Validation and Sensitivity Considerations for Statewide Models	Final	Final Report submitted to AASHTO SCOP
NCHRP 08-36/Task 092	Counting Motorcycles	Final	Final Report sent to AASHTO
NCHRP 08-36/Task 093	Road Pricing Communication Practices	Final	Complete. Final report sent to AASHTO.
NCHRP 08-36/Task 094	Integrated State and Local Government Policy Approaches to Transportation and Climate Change	Final	Completed - Final Report sent to AASHTO
NCHRP 08-36/Task 095	Virtual Conference on Transportation Planning Research Needs	Final
NCHRP 08-36/Task 096	Selecting and Using Advanced Travel Demand Modeling Tools - A Peer Exchange	Final	Final Report sent to AASHTO.
NCHRP 08-36/Task 097A	Towards Quantitative Safety Planning: Implementation of PLANSAFE	Final	Completed - Final Report sent to AASHTO
NCHRP 08-36/Task 097B	Towards Quantitative Safety Planning: Implementation Support	Final	Completed. Results incorporated into NCHRP 08-36, Task 97A Final Report.
NCHRP 08-36/Task 098	Improving Home-to-Work and Employment Data for Transportation Planning	Final	Final Report sent to AASHTO SCOP
NCHRP 08-36/Task 099	How We Travel: A Sustainable National Program for Travel Data	Final	Published as TRB Special Report 304
NCHRP 08-36/Task 100	Transportation Data Program Self Assessment Guide	Final	Completed. Final Report submitted to AASHTO SCOP
NCHRP 08-36/Task 101	Understanding How to Develop and Apply Economic Analyses: Guidance for Transportation Planners	Final	Completed-- Final Report sent to AASHTO.
NCHRP 08-36/Task 102	Assessing Alternative Methods for Measuring Regional Mobility	Final	Completed--Final Report sent to AASHTO
NCHRP 08-36/Task 103	Mining American Recovery and Reinvestment Act Jobs Data for Opportunities to Improve Economic Impact and Performance Analysis of Transportation Investments	Final	Completed--Final Report sent to AASHTO.
NCHRP 08-36/Task 104	Integrating Performance Measures into a Performance-Based Planning and Programming (PBPP) Process	Final
NCHRP 08-36/Task 105	Strategic Plan for the AASHTO Standing Committee on Planning: 2011 Update	Final	Completed--Final Report sent to AASHTO.
NCHRP 08-36/Task 106	Synthesis of Practices for Prioritizing Enhancement and Nonmotorized Transportation Projects	Final
NCHRP 08-36/Task 107	Synthesis of State DOT and MPO Planning and Analyses on Strategies to Reduce Greenhouse Gas Emissions	Final	Complete. FInal Report sent to AASHTO.
NCHRP 08-36/Task 108	Improving Travel Behavior Data for Alternative Fuel Vehicles: A Scoping Study	Final	Completed -- Final Report Sent to AASHTO
NCHRP 08-36/Task 109	Non-Rail Infrastructure Upgrade and/or New Construction Due to Passenger Rail Implementation	Final	Completed. Final report sent to AASHTO.
NCHRP 08-36/Task 111	U.S. Commuting and Travel Patterns: Data Development and Analysis	Final
NCHRP 08-36/Task 112	Cross Mode Project Prioritization -- An Assessment of Current Practice	Final
NCHRP 08-36/Task 113	The Future of Transportation Planning in State DOTs	Final
NCHRP 08-36/Task 114	Transportation Asset Management for Ancillary Structures	Final
NCHRP 08-36/Task 115	Application of Fair Division, Data Envelopment Analysis, and Conjoint Analysis Techniques to Funding Decisions at the Program and Project/Activity Level	Final	Completed--Final Report sent to AASHTO
NCHRP 08-36/Task 116	Development of Transportation Asset Management Plan Templates	Completed
NCHRP 08-36/Task 117	Sketch Planning Tools for Regional Sustainability	Final
NCHRP 08-36/Task 118	Performance Measures for State Infrastructure Preservation	Final
NCHRP 08-36/Task 119	Transportation Users Guide to the Economic Census	Final
NCHRP 08-36/Task 120	Snapshots of Planning Practices	Completed
NCHRP 08-36/Task 121	Successful Implementation of Enterprise Risk Management in State Transportation Agencies	Completed
NCHRP 08-36/Task 125	Transportation Asset Management Knowledge Portal	Completed
NCHRP 08-36/Task 126	Development of a Risk Register Spreadsheet Tool	Completed
NCHRP 08-36/Task 127	Employment Data for Planning: A Resource Guide	Completed
NCHRP 08-36/Task 128	Data Visualization Methods for Transportation Agencies	Completed
NCHRP 08-36/Task 129	Scoping Study to Establish Standards and Guidance for Data for Transportation Planning and Traffic Operations Purposes	Completed
NCHRP 08-36/Task 12A	Analysis of the Factors Affecting Future Transportation Environment and their Implications for State DOTs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 12B	Analysis of the Factors Affecting Future Transportation Environment and their Implications for State DOTs	Completed	Completed---Final report sent to AASHTO
NCHRP 08-36/Task 130	Inventory and Assessment of Methods for Making Collected Transportation Data Anonymous	Completed
NCHRP 08-36/Task 131	Transportation Data Integration to Develop Planning Performance Measures	Completed
NCHRP 08-36/Task 132	Understanding Changes in Youth Mobility	Completed
NCHRP 08-36/Task 134	Transportation Asset Management Research Roadmap	Completed
NCHRP 08-36/Task 135	Addressing Margins of Error in Small Areas of Data Delivered through the American Fact Finder or the Census Transportation Planning Products Program	Completed
NCHRP 08-36/Task 136	License Plate Reader Technology: Privacy Risk Analysis and Case Studies	Completed
NCHRP 08-36/Task 137	Assessing the Utility and Costs of Statewide Travel Demand Models	Completed
NCHRP 08-36/Task 138	Support and Update of the Strategic Plan for SCOP/Subcommittees on TAM	Completed
NCHRP 08-36/Task 139	Planning Research Digest	Completed
NCHRP 08-36/Task 140	Assessing Actual Transportation Impacts of the 2005 BRAC Decisions	Completed
NCHRP 08-36/Task 141	Evaluation of Walk and Bicycle Demand Modeling Practice	Completed
NCHRP 08-36/Task 142	Advancing Sustainability through Multi-Agency Collaborations	Completed
NCHRP 08-36/Task 145	Scenario Planning Lite	Completed
NCHRP 08-36/Task 146	Economic Resilience and Long-Term Highway/Transportation Infrastructure Investment	Completed
NCHRP 08-36/Task 147	Strategic Mobility Research: Enhancing Mobility, Stimulating Economic Activity, Saving Lives	Completed
NCHRP 08-36C	Research for the AASHTO Standing Committee on Planning	Active
NCHRP 08-37	Standardized Procedures for Personal Travel Surveys	Completed
NCHRP 08-38	Consideration of Environmental Factors in Transportation Systems Planning	Completed
NCHRP 08-39	Financing and Improving Land Access to U.S. Cargo Hubs	Completed
NCHRP 08-40	Evaluating Cultural Resource Significance Using Information Technology (IT)	Completed
NCHRP 08-40(02)	Evaluating Cultural Resource Significance-Implementation Tools	Completed
NCHRP 08-41	Effective Methods for Environmental Justice Assessment	Final
NCHRP 08-42	Rail-Freight Solutions to Roadway Congestion	Final
NCHRP 08-43	Methods for Forecasting Statewide Freight Movements and Related Performance Measures	Final
NCHRP 08-44	Incorporating Safety into Long-Range Transportation Planning	Completed
NCHRP 08-44(02)	Transportation Safety Planning: Forecasting the Safety Impacts of Socio-Demographic Changes and Safety Investments	Completed
NCHRP 08-45	A New Vision of Mobility: Guidance to Foster Collaborative Multimodal Decision Making	Completed
NCHRP 08-46	A Guide for Including Access Management in Transportation Plans	Completed
NCHRP 08-47	Guidebook for Freight Policy, Planning, and Programming in Small and Mid-Sized Metropolitan Areas	Final	Completed and published as NCHRP Report 570
NCHRP 08-48	Using American Community Survey Data for Transportation Planning	Completed
NCHRP 08-49(02)	Right of Way Methods and Tools to Control Project Cost Escalation	Final
NCHRP 08-50	Factors that Support the Planning-Programming Linkage	Final	Completed and published as NCHRP Report 591
NCHRP 08-51	Enhancing Internal Trip Capture Estimation for Mixed-Use Developments	Completed
NCHRP 08-52	Best Practices to Enhance the Transportation/Land-Use Connection in Rural America	Completed
NCHRP 08-53	Integrating Freight into Transportation Planning and Project-Selection Processes	Final	Published as NCHRP Report 594
NCHRP 08-54	Identification of Liability-Related Impediments to Sharing 409 Safety Data Among Transportation Agencies, and Synthesis of Best Practices	Final
NCHRP 08-55	Integrating Geo-Spatial Technologies into the Right-of-Way Data-Management Process	Completed
NCHRP 08-55A	Developing a Logical Model for a Geo-Spatial Right-Of-Way Land Management System	Completed	The final report is available as NCHRP Report 695 and CD-ROM 99.
NCHRP 08-56	Truck Noise-Source Mapping	Completed	Published as NCHRP Report 635
NCHRP 08-57	Assessing Highway Tolling and Pricing Options and Impacts: Vol. 1: Decision-Making Framework; Vol. 2: Travel Demand Forecasting Tools	Final
NCHRP 08-58	Development of a Multimodal Statewide Corridor Planning Guidebook	Final
NCHRP 08-59	Transportation Cost Implications of New Development	Completed	The revised final report has been received and posted on the NCHRP website
NCHRP 08-60	Guidebook on Risk Analysis Tools and Management Practices to Control Transportation Project Cost	Final
NCHRP 08-61	Travel Demand Forecasting: Parameters and Techniques	Final	Published as NCHRP Report 716.
NCHRP 08-62	Transportation Performance Management: Insight from Practitioners	Final
NCHRP 08-63	Review of Canadian Experience with Large Commercial Motor Vehicles	Completed
NCHRP 08-64	A Guidebook on Improved Principles, Processes, and Methods for Shared-Use Passenger and Freight Rail Corridors	Completed
NCHRP 08-65	Guidebook for Successful Communication, Cooperation, and Coordination Strategies Between Transportation Agencies and Tribal Communities	Completed
NCHRP 08-66	Trip-Generation Rates for Transportation Impact Analyses of Infill Developments	Completed
NCHRP 08-67	Measuring Transportation Network Performance	Final
NCHRP 08-68	Citizen’s Guide and Discipline-Specific Professionals’ Guide for Context-Sensitive Solutions in Transportation	Final
NCHRP 08-69	Supplement to the AASHTO Transportation Asset Management Guide: Volume 2 - A Focus on Implementation	Final	Final Report received and will be published by AASHTO
NCHRP 08-70	Target-Setting Methods and Data Management To Support Performance-Based Resource Allocation by Transportation Agencies	Final
NCHRP 08-71	Methodology for Estimating Life Expectancies of Highway Assets	Final
NCHRP 08-72	Practical Approaches for Involving Traditionally Underserved Populations in Transportation Decisionmaking	Final
NCHRP 08-73	Road Pricing, Public Perceptions and Program Development	Final	Completed. Final report published as Report 686.
NCHRP 08-74	A Guidebook for Sustainability Performance Measurement for Transportation Agencies	Final
NCHRP 08-75	Guidelines for Evaluation and Performance Measurement of Congestion Pricing Projects	Completed	The final report has been published as NCHRP Report 694.
NCHRP 08-76	Institutionalizing Safety in Transportation Planning Processes: Techniques, Tactics and Strategies	Final
NCHRP 08-77	A Model for Identifying and Evaluating the Historic Significance of Post-World War II Housing	Final
NCHRP 08-78	Estimating Bicycling and Walking for Planning and Project Development	Completed	Completed and published as NCHRP Report 770
NCHRP 08-79	Producing Transportation Data Products from the American Community Survey that Comply with Disclosure Rules	Final	Completed, Final Report published as Web-Only Document 180
NCHRP 08-80	Freight Trip Generation and Land Use (Jointly Funded as NCFRP 25)	Active
NCHRP 08-81	Improving the Quality of Motorcycle Travel Data Collection	Completed	Completed - Published as NCHRP Report 760.
NCHRP 08-82	Deployment, Use, and Effect of Real-Time Traveler Information Systems	Final	Published as NCHRP Web-Only Document 192
NCHRP 08-83	Analytical Travel Forecasting Approaches for Project-Level Planning and Design	Final	Completed. Final product is published as NCHRP Report 765 and CD-ROM 143
NCHRP 08-84	Long-Distance and Rural Travel Transferable Parameters for Statewide Travel Forecasting Models	Final	Report published as NCHRP Report 735
NCHRP 08-85	The Comprehensive Costs of Highway-Rail At-Grade Crossing Crashes	Final
NCHRP 08-86	Capacity Modeling Guiodebook for Shared-Use Passenger and Freight Rail Operations	Final
NCHRP 08-87	Successful Practices in GIS-Based Asset Management	Final
NCHRP 08-88	Effective Project Scoping Practices to Improve On-Time and On-Budget Delivery of Highway Projects	Final
NCHRP 08-89	Applying GPS Data to Understand Travel Behavior	Final	Published as NCHRP Report 775
NCHRP 08-90	Transportation Asset Management Gap Analysis Tool	Completed	Draft final products deliered to AASHTO; they will publish.
NCHRP 08-91	Cross-Asset Resource Allocation and the Impact on System Performance	Final
NCHRP 08-92	Implementing a Transportation Agency Data Self-Assessment	Final
NCHRP 08-93	Managing Risk Across the Enterprise: A Guidebook for State Departments of Transportation	Final
NCHRP 08-94	Guidelines for Selecting Travel Forecasting Methods and Techniques	Completed
NCHRP 08-95	Cell Phone Location Data for Travel Behavior Analysis	Completed
NCHRP 08-96	Integrating Goods and Services Movement by Commercial Vehicles in Smart Growth Environments	Final	Completed. Published as NCHRP Report 844.
NCHRP 08-97	Finding and Using Data to Identify and Evaluate Corridors for Transporting Multi-state, Multi-modal Oversize/Overweight Freight	Completed
NCHRP 08-98	Guide for Identifying, Classifying, Evaluating, and Mitigating Truck Freight Bottlenecks	Final	Complete. Published as NCHRP Research Report 854.
NCHRP 08-99	Methodology for Estimating the Value of Travel Time Reliability for Truck Freight System Users	Final	Published as NCHRP Report 824.
NCHRP 09-06(01)	Asphalt-Aggregate Mixture Analysis System (AAMAS)	Completed
NCHRP 09-07	Field Procedures and Equipment to Implement SHRP Asphalt Specifications	Completed
NCHRP 09-08	Designing Stone Matrix Asphalt Mixtures	Completed
NCHRP 09-09	Refinement of the Superpave Gyratory Compaction Procedure	Completed
NCHRP 09-09(1)	Verification of Gyration Levels in the Ndesign Table	Completed
NCHRP 09-10	Superpave Protocols for Modified Asphalt Binders	Completed
NCHRP 09-11	Segregation in Hot-Mix Asphalt Pavements	Completed
NCHRP 09-12	Incorporation of Reclaimed Asphalt Pavement in the Superpave System	Completed
NCHRP 09-13	Evaluation of Water Sensitivity Tests	Completed
NCHRP 09-14	Investigation of the Restricted Zone in the Superpave Aggregate Gradation Specification	Completed
NCHRP 09-15	Quality Characteristics and Test Methods for Use in Performance-Related Specifications of Hot-Mix Asphalt Pavements	Completed
NCHRP 09-16	Relationship Between Superpave Gyratory Compaction Properties and Permanent Deformation of Pavements in Service	Completed
NCHRP 09-17	Accelerated Laboratory Rutting Tests: Asphalt Pavement Analyzer	Completed
NCHRP 09-18	Field Shear Test for Hot Mix Asphalt	Completed
NCHRP 09-19	Superpave Support and Performance Models Management	Completed
NCHRP 09-20	Performance-Related Specifications for Hot-Mix Asphalt Construction	Completed
NCHRP 09-21	Advisory Structure for Superpave Implementation and Related Research	Completed
NCHRP 09-22	Beta Testing and Validation of HMA PRS	Completed	The project final report is available as NCHRP Report 704.
NCHRP 09-22A	Evaluation of the Quality-Related Specification Software (QRSS) Version 1.0	Completed
NCHRP 09-22B	Comparing HMA Dynamic Modulus Measured by Axial Compression and IDT Methods	Completed
NCHRP 09-23	Environmental Effects in Pavement Mix and Structural Design Systems	Completed
NCHRP 09-23A	Implementing a National Catalog of Subgrade Soil-Water Characteristic Curve (SWCC) Default Inputs for Use with the MEPDG	Completed
NCHRP 09-23B	Integrating the National Database of Subgrade Soil-Water Characteristic Curves and Soil Index Properties With the MEPDG	Completed
NCHRP 09-25	Requirements for Voids in Mineral Aggregate for Superpave Mixtures	Completed
NCHRP 09-26	Precision Statements for AASHTO T312 and other Laboratory Test Methods	Completed
NCHRP 09-26A	Data Mining and Interlaboratory Studies to Prepare Precision Statements for AASHTO Standards	Completed	Work of this type for the AASHTO Highway Subcommittee on Materials is now conducted in NCHRP Project 10-87.
NCHRP 09-27	Relationships of HMA In-Place Air Voids, Lift Thickness, and Permeability	Completed
NCHRP 09-29	Simple Performance Tester for Superpave Mix Design	Completed
NCHRP 09-30	Experimental Plan for Calibration and Validation of HMA Performance Models for Mix and Structural Design	Completed
NCHRP 09-30A	Calibration of Rutting Models for HMA Structural and Mix Design	Completed	The project final report is available as NCHRP Report 719.
NCHRP 09-31	Air Void Requirements for Superpave Mix Design	Completed
NCHRP 09-33	A Mix Design Manual for Hot Mix Asphalt	Completed	The mix design manual is available as NCHRP Reports 673 and 714.
NCHRP 09-33A	Adapting SPT Specification Criteria to HMA Mix Design	Completed	The final report is available as NCHRP Web-Only Document 157.
NCHRP 09-34	Improved Conditioning Procedure for Predicting the Moisture Susceptibility of HMA Pavements	Completed
NCHRP 09-35	Aggregate Properties and Their Relationship to the Performance of Superpave-Designed HMA: A Critical Review	Completed
NCHRP 09-36	Improved Procedure for Laboratory Aging of Asphalt Binders in Pavements	Completed	The project final report is available as NCHRP Project 709.
NCHRP 09-37	Using Surface Energy Measurements To Select Materials for Asphalt Pavements	Completed
NCHRP 09-38	Endurance Limit of Hot Mix Asphalt Mixtures to Prevent Fatigue Cracking in Flexible Pavements	Completed	The project final report is available as NCHRP Report 646.
NCHRP 09-39	Procedure for Determining Mixing and Compaction Temperatures of Asphalt Binders in Hot Mix Asphalt	Completed	The project final report is available as NCHRP Report 648.
NCHRP 09-40	Optimization of Tack Coat for HMA Placement	Completed	The project final report is available as NCHRP Report 712.
NCHRP 09-41	Performance and Maintenance of Permeable Friction Courses	Completed
NCHRP 09-42	History of Superpave: Documenting the Research Program and Implementation Process	Completed	The project final report is available as NCHRP Web-Only Document 186.
NCHRP 09-43	Mix Design Practices for Warm Mix Asphalt	Completed	The project final report is available as NCHRP Reports 691 and 714.
NCHRP 09-44	Developing a Plan for Validating an Endurance Limit for HMA Pavements	Completed
NCHRP 09-44A	Validating an Endurance Limit for HMA Pavements: Laboratory Experiment and Algorithm Development	Completed	The project final report is available as NCHRP Report 762.
NCHRP 09-45	Test Methods and Specification Criteria for Mineral Filler Used in HMA	Completed	A summary of the project final report is available as NCHRP Research Results Digest 357.
NCHRP 09-46	Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content	Completed	The project final report is available as NCHRP Report 752.
NCHRP 09-47	Engineering Properties, Emissions, and Field Performance of Warm Mix Asphalt Technologies	Completed	Phase II of this project will be accomplished as NCHRP Project 9-47A.
NCHRP 09-47A	Properties and Performance of Warm Mix Asphalt Technologies	Completed
NCHRP 09-48	Field versus Laboratory Volumetrics and Mechanical Properties	Completed
NCHRP 09-49	Performance of WMA Technologies: Stage I--Moisture Susceptibility	Completed	The project final reports are available as NCHRP Reports 763 and 817.
NCHRP 09-49A	Performance of WMA Technologies: Stage II--Long-Term Field Performance	Completed
NCHRP 09-50	Performance-Related Specifications for Asphaltic Binders Used in Preservation Surface Treatments	Completed
NCHRP 09-51	Material Properties of Cold In-Place Recycled and Full-Depth Reclamation Asphalt Concrete for Pavement Design	Completed
NCHRP 09-52	Short-Term Laboratory Conditioning of Asphalt Mixtures	Completed
NCHRP 09-53	Properties of Foamed Asphalt for Warm Mix Asphalt Applications	Completed
NCHRP 09-54	Long-Term Aging of Asphalt Mixtures for Performance Testing and Prediction	Completed
NCHRP 09-55	Recycled Asphalt Shingles in Asphalt Mixtures with Warm Mix Asphalt Technologies	Completed
NCHRP 09-56	Identifying Influences on and Minimizing the Variability of Ignition Furnace Correction Factors	Completed
NCHRP 09-56A	Identifying Influences on and Minimizing the Variability of Ignition Furnace Correction Factors	Final
NCHRP 09-57	Experimental Design for Field Validation of Laboratory Tests to Assess Cracking Resistance of Asphalt Mixtures	Completed
NCHRP 09-57A	Ruggedness of Laboratory Tests to Assess Cracking Resistance of Asphalt Mixtures	Final
NCHRP 09-57B	Field Validation of Laboratory Cracking Tests of Asphalt Mixtures	Active	Research in progress
NCHRP 09-58	The Effects of Recycling Agents on Asphalt Mixtures with High RAS and RAP Binder Ratios	Completed
NCHRP 09-59	Relating Asphalt Binder Fatigue Properties to Asphalt Mixture Fatigue Performance	Final	Published as NCHRP Research Report 982
NCHRP 09-60	Addressing Impacts of Changes in Asphalt Binder Formulation and Manufacture on Pavement Performance through Changes in Asphalt Binder Specifications	Active	Research in progress
NCHRP 09-61	Short- and Long-Term Binder Aging Methods to Accurately Reflect Aging in Asphalt Mixtures	Completed
NCHRP 09-62	Rapid Tests and Specifications for Construction of Asphalt-Treated Cold Recycled Pavements	Final	Available as WOD 376
NCHRP 09-63	A Calibrated and Validated National Performance-Related Specification for Emulsified Asphalt Binder	Active	Research in progress
NCHRP 09-64	Developing Laboratory Methods and Specifications to Test Tack Coat Materials	Final	Report available as Web-Only Document.
NCHRP 09-65	Capturing Durability of High Recycled Binder Ratio (RBR) Asphalt Mixtures	Completed	Publication decision pending.
NCHRP 09-66	Performance Properties of Laboratory Produced Recycled Plastic Modified (RPM) Asphalt Binders and Mixtures	Completed	Publication decision pending.
NCHRP 09-67	New Materials & Technology Deployment in Asphalt Pavement Structural Design	Anticipated
NCHRP 09-68	Recycled Asphalt Materials: Binder Availability and Its Impact on Mix Performance	Active	Research in progress
NCHRP 09-69	Verifying Quantities of Materials Used in Asphalt Mixtures at Production Facilities	Active
NCHRP 09-70	Guidelines for Incorporating Aging Effects on Balanced Mix Design for Quality Assurance	Pending
NCHRP 09-71	Framework for Design, Production, and Placement of Balanced Asphalt Mixtures	Pending
NCHRP 09-72	Sensitivity Evaluation of Balanced Mix Design Performance Tests	Pending
NCHRP 09-73	Guidelines for Storage of Asphalt Mixture and Performance Test Specimens	Pending
NCHRP 10-100	Procedures and Guidelines for Validating Contractor Test Data	Final
NCHRP 10-101	Improving Mid-Term, Intermediate, and Long-Range Cost Forecasting: Guidance for State Departments of Transportation	Final
NCHRP 10-102	A Guidebook for Risk-Based Construction Inspection	Final	The final deliverables have been published as NCHRP Research Report 1039 and NCHRP Web-Only Document 344
NCHRP 10-103	Improving Guidance of AASHTO R 80/ASTM C 1778 for Alkali-Silica Reactivity (ASR) Potential and Mitigation	Final
NCHRP 10-104	Recommendations for Revision of AASHTO M 295 Standard Specification to Include Marginal and Unconventional Source Coal Fly Ashes	Final
NCHRP 10-105	Verification of Traffic Speed Deflection Devices’ (TSDDs) Measurements	Completed
NCHRP 10-106	Update of AASHTO Standard Practice for Certification of Inertial Profiling Systems (R 56)	Completed
NCHRP 10-107	Guide for Implementing Performance Specifications	Completed	Expired.
NCHRP 10-108	Manual for Incorporating Nondestructive Testing (NDT) in Quality Assurance of Highway Pavement Construction	Final
NCHRP 10-109	Modern Solutions to Safe and Efficient Work Zone Travel	Completed	Research is complete. Report and guide to be published as WOD 418 and Research Report 1142, respectively.
NCHRP 10-110	3D Modeling Guide for Construction Inspection	Final	Continued under NCHRP 10-110A.
NCHRP 10-110A	Guide to Using 3D Models for Construction Inspection	Active	Research is progress.
NCHRP 10-111	Guide for 3D Model Viewers for Construction Inspection	Active	Research in progress.
NCHRP 10-112	Guide for Remote Virtual Inspection for Highway Construction Infrastructure Projects	Active	Research in progress.
NCHRP 10-113	Quality Management for 3D Model-Based Project Development and Delivery	Active	Research In Progress
NCHRP 10-114	Developing Performance and Safety Specifications for Rejuvenating Seals	Active	Research in progress.
NCHRP 10-115	Guide on Progressive Design-Build for Transportation Projects	Active	Research in progress.
NCHRP 10-116	Quantifying Variability in Quality Characteristics of Pavements	Active
NCHRP 10-117	Design and Repair of Glass Fiber Reinforced Polymer Concrete Bridge Barriers	Active
NCHRP 10-118	Effective Timelines and Contractual Strategies for Accelerated Bridge Construction Projects	Active	Research In Progress
NCHRP 10-119	Guidance for Implementing Utility Investigations in Alignment with Project Delivery	Active
NCHRP 10-120	Guide for Incorporating Right-of-Way and Utilities into Value Engineering Studies	Active	Research in progress.
NCHRP 10-121	Guidelines for the Application of Ground Modification Methods for Highway Structures	Active	Research In Progress
NCHRP 10-122	Cost Estimating Practices for Highway Projects	Active	Research in progress.
NCHRP 10-123	Incorporating Quality Assurance into Green Public Procurement Practices	Active
NCHRP 10-124	Development of a Field Test to Determine Chip Seal Aggregate Embedment	Active	Research in progress.
NCHRP 10-125	Update Bridge Construction Requirements	Active	Research In Progress
NCHRP 10-126	Field-Cured Products and Water Quality: A Guide for Screening and Risk Mitigation	Active
NCHRP 10-127	Impact of Bolt Holes on the Performance of Steel Girders	Active	Research In Progress
NCHRP 10-128	Multiple-Sensor Weigh-In-Motion Systems to Enhance Data Accuracy and Reliability	Active	Research is progress.
NCHRP 10-129	Field Studies of Steel Girder Fit-Up	Active	Research In Progress
NCHRP 10-13	Ultrasonic Measurement of Weld Flaw Size	Completed
NCHRP 10-130	Guide for Using Alternative Contracting Methods for Small Highway Projects	Active
NCHRP 10-131	Laboratory Test Method for Estimating the Contribution of Geosynthetics to Pavement Performance	Pending
NCHRP 10-132	Understanding the Interaction Between Total Scour Components	Active	Research In Progress
NCHRP 10-133	Research Plan for Assessing Friction of Pavement Markings	Active	Research In Progress
NCHRP 10-134	Guidelines for the Selection of Performance-Related Tests for the Acceptance of Preservation Treatments	Pending
NCHRP 10-135	Guide for Subsurface Utility Engineering and Digital As-Built Data Management	Pending	Contract pending at this time.
NCHRP 10-136	Right-of-Way and Utility Risk Identification and Management	Pending	Contract pending at this time.
NCHRP 10-137	Movable Bridge Construction Requirements	Active	Research In Progress
NCHRP 10-138	Guide for Early Right-of-Way Engineering Involvement	Pending	Contract pending at this time.
NCHRP 10-139	Enhancing Pavement Management Guidance	Active	Research In Progress
NCHRP 10-140	Guide for Right-of-Way Management with a Utility Awareness	Pending	Contract pending at this time.
NCHRP 10-141	Guide for Digital Project Delivery: Integrating Design and Construction	RFP
NCHRP 10-142	Guide for Integrating Digital Construction Inspection Technologies	Pending
NCHRP 10-143	Field Verification Processes for Utility Installation and Relocation: A Guide	RFP
NCHRP 10-144	Rightsizing Pay Factors to Incentivize Quality Highway Construction	Anticipated	In development
NCHRP 10-145	Asphalt Emulsion-Based High Friction Surface Treatments	RFP
NCHRP 10-146	Quality Assurance Procedures for Traffic Speed Deflection Devices	RFP
NCHRP 10-17	Use of Antistripping Additives in Asphaltic Concrete Mixtures	Completed
NCHRP 10-20	Elastomeric Bearings Design, Construction, and Materials	Completed
NCHRP 10-20A	High-Load, Multi-Rotational Bridge Bearings: Design, Materials, and Construction	Completed
NCHRP 10-22	The Performance of Weathering Steel in Bridges	Completed
NCHRP 10-25A	Instantaneous Determination of Water-Cement Ratio in Fresh Concrete	Completed
NCHRP 10-26	Performance-Related Specifications for Hot-Mix Asphaltic Concrete	Completed
NCHRP 10-27	Determination of Asphaltic Concrete Pavement Structural Properties by Nondestructive Testing	Completed
NCHRP 10-29	Anchorage Zone Reinforcement for Post-Tensioned Concrete Girders	Completed
NCHRP 10-30(3)	Nondestructive Methods for Field Inspection of Embedded or Encased High Strength Steel Rods and Cables	Completed
NCHRP 10-31	Acceptance Criteria for Steel Bridge Welds	Completed
NCHRP 10-32A	Durability Testing of High-Strength Concrete Containing High-Range Water-Reducing Admixtures	Completed
NCHRP 10-33	Potential Benefits of Geosynthetics in Flexible Pavement Systems	Completed
NCHRP 10-34	Transient Protection, Grounding, and Shielding of Electronic Traffic Control Equipment	Final
NCHRP 10-35	Fatigue Behavior of Welded and Mechanical Splices in Reinforcing Steel	Completed
NCHRP 10-36	Evaluation of Weldments Incorporating Backing Materials	Completed
NCHRP 10-37	Performance of Epoxy-Coated Reinforcing Steel in Highway Bridges	Completed
NCHRP 10-37A	Performance of Epoxy-Coated Reinforcing Steel--Laboratory Testing	Completed
NCHRP 10-37B	A Protocol for the Evaluation of Existing Bridges Containing Epoxy-Coated Reinforcing Steel	Completed
NCHRP 10-37C	Repair and Rehabilitation of Bridge Components Containing Epoxy-Coated Reinforcement	Completed
NCHRP 10-38	Fatigue-Resistant Design of Cantilevered Signal, Sign, and Light Supports	Completed
NCHRP 10-38(2)	Fatigue-Resistant Design of Cantilevered Signal, Sign, and Light Supports	Completed
NCHRP 10-39	Construction Testing and Inspection Levels	Completed
NCHRP 10-39A	Testing and Inspection Levels for Hot-Mix Asphaltic Concrete Overlays	Completed
NCHRP 10-40	Plasma Arc Cutting of Bridge Steels	Completed
NCHRP 10-41	Evaluation of Unbonded Portland Cement Concrete Overlays	Completed
NCHRP 10-42	Constructibility Review Process for Transportation Facilities	Completed
NCHRP 10-43	Movable Bridge Inspection, Evaluation, and Maintenance	Completed
NCHRP 10-44	Nondestructive Testing to Determine Insitu Material Properties of Pavement Layers	Completed
NCHRP 10-44A	Determination of Insitu Material Properties of Asphalt Concrete Pavement Layers	Completed
NCHRP 10-45	Procedures for Evaluating Corrosion-Inhibiting Admixtures for Structural Concrete	Completed
NCHRP 10-46	Corrosion of Steel Piling in Nonmarine Applications	Completed
NCHRP 10-47	Guidelines for Longitudinal Pavement Profile Measurement	Completed
NCHRP 10-48	Assessing Pavement Layer Condition Using Deflection Data	Completed
NCHRP 10-49	Improved Contracting Methods for Highway Construction Projects	Completed
NCHRP 10-50	Strategies for Rehabilitating Rigid Pavements Subjected to High-Traffic Volumes	Completed
NCHRP 10-50A	Guidelines for Selecting Strategies for Rehabilitating Rigid Pavements Subjected to High-Traffic Volumes	Completed
NCHRP 10-51	Performance-Related Specifications for Elastomeric Bridge Bearings	Completed
NCHRP 10-52	Performance Tests for Modular Bridge Joints	Completed
NCHRP 10-53	Condition Evaluation of Prestressed Steel Strands in Concrete Bridges	Completed
NCHRP 10-54	Quality-Based Performance Rating of Contractors for Prequalification and Bidding Purposes	Completed
NCHRP 10-55	Fiber Reinforced Polymer Composites for Concrete Bridge Deck Reinforcement	Completed
NCHRP 10-56	Accelerated Pavement Testing: Data Guidelines	Completed
NCHRP 10-57	Structural Safety Evaluation Guidelines for Suspension Bridge Parallel-Wire Cables	Completed
NCHRP 10-58	Construction Engineering and Management Research Program	Completed
NCHRP 10-58(01)	Time-Related Incentive and Disincentive Provisions in Highway Construction Contracts	Completed	NCHRP Report 652 Time-Related Incentive and Disincentive Provisions in Highway Construction Contracts.
NCHRP 10-58(02)	Using Contractor-Performed Tests in Quality Assurance	Completed	NCHRP Research Results Digest 323: Using the Results of Contractor-Performed Tests in Quality Assurance
NCHRP 10-59A	Construction Specifications for Bonded Repair and Retrofit of Concrete Structures Using FRP Composites	Completed
NCHRP 10-60	Avoiding Delays in Constructing Highway Projects (CANCELED)	Completed
NCHRP 10-61	Best-Value Procurement Methods for Highway Construction Projects	Completed	NCHRP Report 561: Best-Value Procurement Methods for Highway Construction Projects
NCHRP 10-62	Acceptance Tests for Surface Characteristics of Steel Strands in Pre-Stressed Concrete	Completed	The project final report is available as NCHRP Report 621.
NCHRP 10-63	Heat-Straightening Repair of Damaged Steel Bridge Girders: Fatigue and Fracture Performance	Completed	The project final report is available as NCHRP Report 604.
NCHRP 10-64	Field Inspection of In-Service FRP Bridge Decks	Completed
NCHRP 10-65	Nondestructive Testing Technology for Quality Control and Acceptance of Flexible Pavement Construction	Completed	The project final report is available as NCHRP Report 626, NDT Technology for Quality Assurance of HMA Pavement Construction.
NCHRP 10-66	Predicting In-Service Performance of Flexible Pavements from Accelerated Pavement Testing	Completed
NCHRP 10-67	Texturing of Concrete Pavements	Completed
NCHRP 10-68	Guidelines for the Use of Highway Pavement Warranties	Completed	NCHRP Report 699: Guidelines for the Use of Highway Pavement Warranties
NCHRP 10-69	Guidelines for Dowel Alignment in Concrete Pavements	Completed
NCHRP 10-70	Cost-Effective Connection Details for Highway Sign, Luminaire, and Traffic Signal Structures	Final
NCHRP 10-71	Evaluation of CIP Reinforced Joints for Full-Depth Precast Concrete Bridge Decks	Final
NCHRP 10-72	Bridge Deck Design Criteria and Testing Procedures	Completed
NCHRP 10-73	Guide Specification for the Design of Externally Bonded FRP Systems for Repair and Strengthening of Concrete Bridge Elements	Completed
NCHRP 10-74	Development of Fatigue Loading and Design Methodology for High-Mast Lighting Poles	Final	Published as NCHRP Report 718
NCHRP 10-75	Guide for Pavement-Type Selection	Completed
NCHRP 10-76	Methodologies for Evaluating Pavement Strategies and Barriers for Noise Mitigation	Completed
NCHRP 10-77	Use of Automated Machine Guidance (AMG) within the Transportation Industry	Final
NCHRP 10-78	Nighttime Construction Impacts on Safety, Quality, and Productivity	Completed	NCHRP Report 726: A Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity
NCHRP 10-79	Guidelines for Quality-Related Pay Adjustment Factors for Pavements	Completed
NCHRP 10-80	New Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals	Final
NCHRP 10-81	Fuel Usage Factors in Highway and Bridge Construction	Completed	The project final report is available as NCHRP Report 744.
NCHRP 10-82	Performance-Related Specifications for Pavement Preservation Treatments - Phase I	Completed
NCHRP 10-82A	Performance-Related Specifications for Pavement Preservation Treatments	Completed
NCHRP 10-83	Alternative Quality Management Systems for Highway Construction	Final	Completed. Published as NCHRP Report 808..
NCHRP 10-84	Modulus-Based Construction Specification for Compaction of Earthwork and Unbound Aggregate	Completed
NCHRP 10-85	A Guidebook for Construction Manager-at-Risk Contracting for Highway Projects	Final	Completed. The Contractor's Final Report was published by AASHTO.
NCHRP 10-86	Bidding Alternative Drainage Pipe Systems	Completed
NCHRP 10-86A	Software for Bidding Alternative Drainage Pipe Systems	Completed
NCHRP 10-87	Precision Statements for AASHTO Standard Methods of Test	Completed
NCHRP 10-88	Developing Precision and Bias Statements for AASHTO Standard Methods of Test TP 98 and TP 99	Completed
NCHRP 10-89	Best Practices Guidebook for Optimal Construction Inspection	Completed	Project terminated. No report.
NCHRP 10-91A	Sustainable Highway Construction Practices	Final
NCHRP 10-92	Optimizing the Risk and Cost of Materials QA Programs	Completed
NCHRP 10-93	Measuring, Characterizing, and Reporting Pavement Roughness of Low-Speed and Urban Roads	Completed
NCHRP 10-94	Mitigation of Weldment Cracking of Highway Steel Structures due to the Galvanizing Process	Final
NCHRP 10-95	Toughness Requirements for Heat-Affected Zones of Welded Structural Steels for Highway Bridges - Phase I	Completed
NCHRP 10-95A	Toughness Requirements for Heat-Affected Zones of Welded Structural Steels for Highway Bridges	Completed
NCHRP 10-96	Guide for Civil Integrated Management (CIM) in Departments of Transportation	Final
NCHRP 10-97	Detection and Remediation of Soluble Salt Contamination Prior to Coating Steel Highway Structures	Completed
NCHRP 10-98	Protocols for Network-Level Macrotexture Measurement	Final	Final report published as NCHRP Research Report 964.
NCHRP 10-99	Guidebook for Implementing Constructability Across the Entire Project Development Process: NEPA to Final Design	Final	Published as NCHRP WOD 388.
NCHRP 11-07	National Data-Management System for Highway Tort Claims	Completed
NCHRP 11-08	Guide to Acquire Utility Property Interests and Reimburse Utility Relocation Costs	Final	The Guide was published as NCHRP Research Report 1054. The Final Report was published as NCHRP WOD 360.
NCHRP 12-100	Guidelines for Maintaining Small Movement Bridge Expansion Joints	Final	Published as AASHTO Guidelines for Maintaining Small Movement Bridge Expansion Joints, 1st Edition
NCHRP 12-101	Seismic Evaluation of Bridge Columns with Energy Dissipating Mechanisms	Final	Two Volumes: Volume 1: Research Overview and Volume 2: Guidelines
NCHRP 12-102	Recommended AASHTO Guide Specification for ABC Design and Construction	Final
NCHRP 12-102A	AASHTO Guide Specification for ABC Design and Construction--Implementation Workshops	Final	The agency’s training modules are available for download.
NCHRP 12-103	Bridge Superstructure Tolerance to Total and Differential Foundation Movements	Final
NCHRP 12-104	Guidelines to Improve the Quality of Element-Level Bridge Inspection Data	Final
NCHRP 12-105	Proposed AASHTO Seismic Specifications for ABC Column Connections	Final
NCHRP 12-106	Proposed Guidelines for Performance-Based Seismic Bridge Design	Final
NCHRP 12-107	Proposed AASHTO Bridge Guidelines for Use of ASTM A1010 Steel	Final	AASHTO Special Committee on Research and Innovation (R&I) decided to cancel this project and reallocate project funds to other NCHRP projects
NCHRP 12-108	Guide Specification for Service Life Design of Highway Bridges	Final
NCHRP 12-109	Use of 0.7-in. Diameter Strands in Precast Pretensioned Girders	Final	Published as NCHRP Research Report 994
NCHRP 12-110	Proposed New AASHTO Load Rating Provisions for Implements of Husbandry	Final
NCHRP 12-111	Evaluating the Effectiveness of Vibration-Mitigation Devices for Structural Supports of Signs, Luminaires, and Traffic Signals	Final	Final Contractor's Report is available on the project webpage.
NCHRP 12-112	Update of the AASHTO LRFD Movable Highway Bridge Design Specifications	Final
NCHRP 12-113	Proposed Modification to AASHTO Cross-Frame Analysis and Design	Final	Phase I is published as NCHRP Research Report 962. Phase II is published as NCHRP Research Report 1045.
NCHRP 12-114	Guidance on Seismic Site Response Analysis with Pore Water Pressure Generation	Final	The final deliverable has been published as NCHRP Report 1092 and NCHRP Web-Only Document 383
NCHRP 12-115	Guidelines for Risk-Based Inspection and Strength Evaluation of Suspension Bridge Main Cable Systems	Final	The Final Report has been published as NCHRP Web-Only Document 353. The Guidelines have been forwarded to AASHTO COBS Technical Committee on Bridge Management.
NCHRP 12-116	Proposed AASHTO Specifications for Design of Piles for Downdrag	Final	Further work will be conducted under NCHRP 12-116A in 2020
NCHRP 12-116A	Proposed AASHTO Specifications for Design of Piles for Downdrag	Final	Published as NCHRP Research Report 1112 and NCHRP Web-Only Document 398
NCHRP 12-117	Guidelines for Corrosion Protection of Steel Bridges Using Duplex Coating Systems	Final	The Final Report is published as NCHRP Report 1048. The Guidelines have been forwarded to AASHTO COBS Technical Committee on Bridge Preservation
NCHRP 12-118	Design and Construction Specifications for Bonded and Unbonded Post-Tensioned Concrete Bridge Elements	Completed
NCHRP 12-119	MASH Railing Load Requirements for Bridge Deck Overhang	Final	Published as NCHRP Research Report 1078
NCHRP 12-120	Stainless Steel Strands for Prestressed Concrete Bridge Elements	Active	Research In Progress
NCHRP 12-121	Guidelines for the Design of Prestressed Concrete Bridge Girders Using FRP Auxiliary Reinforcement	Active	Research In Progress
NCHRP 12-122	Proposed AASHTO Guidelines for Applications of Unmanned Aerial Systems Technologies for Element-Level Bridge Inspection	Final	Published as NCHRP Research Report 1114
NCHRP 12-123	Proposed AASHTO Guideline for Load Rating of Segmental Bridges	Completed	Will be published as NCHRP Research Report 1128
NCHRP 12-124	Design of Stud Shear Connectors in Composite Steel Bridges	Active	Research In Progress
NCHRP 12-125	Earthquake-Induced Bridge Displacements	Active	Research In Progress
NCHRP 12-126	Design and Testing of High-Load Multi-Rotational Disc Bearings for Bridges	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 12-127	Load Rating and Posting of Long-Span Bridges	Active	Research In Progress
NCHRP 12-128	Flexural Resistance of Skewed and Curved Steel I-Girder Bridges	RFP
NCHRP 12-129	Evaluating Concrete Girders with Noncompliant Shear Details	Pending
NCHRP 12-15(5)	Fatigue Behavior of Variable Loaded Bridge Details Near the Fatigue Limit	Final
NCHRP 12-23	Recommended Revisions to the AASHTO Manual for Maintenance Inspection of Bridges	Completed
NCHRP 12-26(2)	Distribution of Wheel Loads on Highway Bridges	Completed
NCHRP 12-27	Welded Repair of Cracks in Steel Bridge Members	Completed
NCHRP 12-28(01)	Load Capacity Evaluation of Existing Bridges	Completed
NCHRP 12-28(02)	Bridge Management Systems	Completed
NCHRP 12-28(02)A	Bridge Management Systems Software	Completed
NCHRP 12-28(02)B	Bridge Management Systems Software	Completed
NCHRP 12-28(02)C	Conversion of BRIDGIT Bridge Management Software to Windows	Completed
NCHRP 12-28(03)	Fatigue Evaluation Procedures for Steel Bridges	Completed
NCHRP 12-28(06)	Distortion-Induced Fatigue Cracking in Steel Bridges	Completed
NCHRP 12-28(07)	Guidelines for Evaluating Corrosion Effects in Existing Steel Bridges	Completed
NCHRP 12-28(10)	Guidelines for Determining Redundancy in Steel Bridges	Completed
NCHRP 12-28(11)	Development of Site-Specific Load Models for Bridge Rating	Completed
NCHRP 12-28(12)	Inelastic Rating Procedures for Steel Beam and Girder Bridges	Completed
NCHRP 12-28(13)	Nondestructive Load Testing for Bridge Evaluation and Rating	Completed
NCHRP 12-28(13)A	Bridge Rating Through Nondestructive Load Testing	Completed
NCHRP 12-29	Design of Simple-Span Precast Prestressed Bridge Girders Made Continuous	Completed
NCHRP 12-30	Fatigue of Cables in Cable-Stayed Bridges	Completed
NCHRP 12-31	Notch Toughness Variability in Bridge Steel Plates	Final
NCHRP 12-33	Development of a Comprehensive Bridge Specification and Commentary	Completed
NCHRP 12-33A	Development of a Comprehensive Bridge Specification and Commentary---Timber Structures and Code Calibration	Completed
NCHRP 12-33B	Development of a Comprehensive Bridge Specification and Commentary---Concrete Structures	Completed
NCHRP 12-33C	Development of a Comprehensive Bridge Specification and Commentary---Soil-Structure Interaction Systems	Completed
NCHRP 12-34	Update of AASHTO Standard Specifications for Highway Bridges: Division II---Construction	Completed
NCHRP 12-35	Recommended Specifications for the Design of Foundations, Retaining Walls, and Substructures	Completed
NCHRP 12-36	Redundancy in Highway Bridge Superstructures	Completed
NCHRP 12-36(2)	Redundancy in Highway Bridge Superstructures: Phase 2	Completed
NCHRP 12-37	Transverse Cracking in Newly Constructed Bridge Decks	Completed
NCHRP 12-38	Improved Design Specifications for Horizontally Curved Steel Girder Highway Bridges	Completed
NCHRP 12-39	Design Specifications for Debris Forces on Highway Bridges	Completed
NCHRP 12-40	Fatigue Criteria for Modular Bridge Expansion Joints	Final
NCHRP 12-41	Rapid Replacement of Bridge Decks	Completed
NCHRP 12-42	LRFD Bridge Design Specifications Support	Completed
NCHRP 12-43	Life-Cycle Cost Analysis for Bridges	Completed
NCHRP 12-44	Recommended Specifications for the Design of Movable Highway Bridges	Completed
NCHRP 12-45	Recommended Specifications for Large-Span Culverts	Completed
NCHRP 12-46	Manual for Condition Evaluation and Load Rating of Highway Bridges Using Load and Resistance Factor Philosophy	Completed
NCHRP 12-47	Redundancy in Highway Bridge Substructures	Completed
NCHRP 12-48	Design of Highway Bridges for Extreme Events	Completed
NCHRP 12-49	Comprehensive Specification for the Seismic Design of Bridges	Completed
NCHRP 12-50	Bridge Software-Validation Guidelines and Examples	Completed
NCHRP 12-51	Effect of Truck Weight on Bridge Network Costs	Completed
NCHRP 12-52	LRFD Specifications for Horizontally Curved Steel Girder Highway Bridges	Completed
NCHRP 12-53	Connection Between Simple-Span Precast Concrete Girders Made Continuous	Completed
NCHRP 12-54	Integral Connections of Steel Bridge Structures	Completed
NCHRP 12-55	Load and Resistance Factors for Earth Pressures on Bridge Substructures and Retaining Walls	Completed
NCHRP 12-55A	Load and Resistance Factors for Earth Pressures on Bridge Substructures and Retaining Walls	Completed
NCHRP 12-56	Application of the LRFD Bridge Design Specifications to High-Strength Structural Concrete: Shear Provisions	Completed
NCHRP 12-57	Extending Span Ranges of Precast, Prestressed Concrete Girders	Completed
NCHRP 12-58	Effective Slab Width for Composite Steel Bridge Members	Completed
NCHRP 12-59	Design and Construction of Geosynthetic-Reinforced Soil (GRS) Abutments for Bridge Support	Completed	NCHRP Report 556: Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments with a Flexible Facing
NCHRP 12-59(01)	Seismic Design of Geosynthetic-Reinforced Soil (GRS) Bridge Abutments with Flexible Facing	Completed
NCHRP 12-60	Transfer, Development, and Splice Length for Strand/Reinforcement in High-Strength Concrete	Completed
NCHRP 12-61	Simplified Shear Design of Structural Concrete Members	Completed
NCHRP 12-62	Simplified Live-Load Distribution-Factor Equations	Completed
NCHRP 12-62A	Simplified Live Load Distribution-Factor Equations-Phase II	Completed
NCHRP 12-63	Legal Truck Loads and AASHTO Legal Loads for Posting	Completed
NCHRP 12-64	Application of the LRFD Bridge Design Specifications to High-Strength Structural Concrete: Flexure and Compression Provisions	Completed
NCHRP 12-65	Full-Depth, Precast-Concrete Bridge Deck Panel Systems	Completed
NCHRP 12-66	AASHTO LRFD Specifications for Serviceability in the Design of Bridge Foundations	Final	Contract was terminated on October 24, 2008
NCHRP 12-67	Multiple-Objective Optimization for Bridge Management Systems	Completed
NCHRP 12-68	Improved Rotational Limits of Elastomeric Bearings	Completed
NCHRP 12-69	Design and Construction Guidelines for Long-Span Decked Precast, Prestressed Concrete Girder Bridges	Completed
NCHRP 12-70	Seismic Analysis and Design of Retaining Walls, Buried Structures, Slopes, and Embankments	Final
NCHRP 12-71	Design Specifications and Commentary for Horizontally Curved Concrete Box-Girder Highway Bridges	Completed
NCHRP 12-72	Blast-Resistant Highway Bridges: Design and Detailing Guidelines	Final
NCHRP 12-73	Design Guidelines for Durability of Bonded CFRP Repair/Strengthening of Concrete Beams	Completed
NCHRP 12-74	Development of Precast Bent Cap Systems for Seismic Regions	Final
NCHRP 12-75	Design of FRP Systems for Strengthening Concrete Girders in Shear	Completed
NCHRP 12-76	Protocols for Collecting and Using Traffic Data in Bridge Design	Final
NCHRP 12-77	Structural Concrete Design with High-Strength Steel Reinforcement	Final
NCHRP 12-78	Evaluation of Load Rating by Load and Resistance Factor Rating	Final
NCHRP 12-79	Guidelines for Analytical Methods and Erection Engineering of Curved and Skewed Steel Deck-Girder Bridges	Final	Published as NCHRP Report 725
NCHRP 12-80	LRFD Minimum Flexural Reinforcement Requirements	Final
NCHRP 12-81	Evaluation of Fatigue on the Serviceability of Highway Bridges	Final	Published as NCHRP Report 721
NCHRP 12-82	Developing Reliability-Based Bridge Inspection Practices	Final	NCHRP 12-82(01)—Phase II started on November 26, 2012 and has an anticipated termination date of March 25, 2014. Phase II Funds is $149,542
NCHRP 12-82(01)	Developing Reliability-Based Bridge Inspection Practices: Case Studies	Final
NCHRP 12-83	Calibration of LRFD Concrete Bridge Design Specifications for Serviceability	Final
NCHRP 12-84	Guidelines for the Load and Resistance Factor Design and Rating of Riveted and Bolted Gusset-Plate Connections for Steel Bridges	Final
NCHRP 12-85	Highway Bridge Fire Hazard Assessment	Final	The agency's final deliverables are available for download
NCHRP 12-86	Bridge System Safety and Redundancy	Final
NCHRP 12-87	Fracture-Critical System Analysis for Steel Bridges	Final
NCHRP 12-87A	Fracture-Critical System Analysis for Steel Bridges	Final
NCHRP 12-88	Synthesis on System Performance of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions	Final
NCHRP 12-89	Recommended AASHTO LRFD Tunnel Design and Construction Specifications	Final
NCHRP 12-90	Guidelines for Shielding Bridge Piers	Final	The research report published as NCHRP Research Report 892
NCHRP 12-91	Strand Debonding for Pretensioned Girders	Final
NCHRP 12-92	Proposed LRFD Bridge Design Specifications for Light Rail Transit Loads	Final
NCHRP 12-93	Contribution of Steel Casing to Single Shaft Foundation Structural Resistance	Final
NCHRP 12-94	LRFD Minimum Flexural Reinforcement Requirements	Final
NCHRP 12-95	Connection Details of Adjacent Precast Concrete Box Beam Bridges	Final	A decision was made to discontinue work on the project beyond Phase I. The remaining work will be conducted in 2017 under NCHRP 12-95A.
NCHRP 12-95A	Proposed AASHTO Guidelines for Adjacent Precast Concrete Box Beam Bridge Systems	Final	The final deliverable has been published as NCHRP Report 1026
NCHRP 12-96	Simplified Full-Depth Precast Concrete Deck Panel Systems	Final
NCHRP 12-97	Guide Specification for the Design of Concrete Bridge Beams Prestressed with CFRP Systems	Completed
NCHRP 12-98	Recommended Guidelines for Prefabricated Bridge Elements and Systems Tolerances and Dynamic Effects of Bridge Moves	Final
NCHRP 12-99	Guidelines for Calculating Dynamic Effects in Large-Scale Bridge Moves	Final	NCHRP Project 12-98 has been expanded in scope and budget to include this project.
NCHRP 13-02	Guidelines for Selection and Application of Warning Lights on Roadway-Operations Equipment	Completed
NCHRP 13-03	Decision Making for Outsourcing and Privatization of Vehicle and Equipment Fleet Maintenance - Phase I	Completed
NCHRP 13-03A	Decision Making for Outsourcing and Privatization of Vehicle and Equipment Fleet Maintenance	Completed
NCHRP 13-04	Guide for Optimal Replacement Cycles of Highway Operations Equipment	Completed
NCHRP 13-05	Guide for Utilization Measurement and Management of Fleet Equipment	Final
NCHRP 13-06	Guide for the Formulation of Long-Range Plans for Replacement Needs and Budget of Highway Operations Equipment - Phase I	Completed
NCHRP 13-06A	Guide for the Formulation of Long-Range Plans and Budgets for Replacement of Highway Operations Equipment	Completed
NCHRP 13-07	Guide to Calculating Ownership and Operating Costs of Department of Transportation Vehicle and Equipment Fleet	Final
NCHRP 13-08	Guideline for Decision-Making for Repair vs. Replacement of Highway Maintenance Equipment	Completed
NCHRP 13-09	Maximizing Proceeds from the Fleet Asset Disposal Sales Process	Final
NCHRP 13-10	Guidelines for Maintenance of Uncrewed Aircraft Systems Used in Transportation Infrastructure	RFP
NCHRP 14-07	Interactive Microcomputer Network for Innovative Maintenance Operations	Completed
NCHRP 14-08	Chip Seal Coats for High-Traffic-Volume Asphalt Concrete Pavements	Completed
NCHRP 14-08A	Chip Seal Coats for High-Traffic-Volume Asphalt Concrete Pavements	Completed
NCHRP 14-09(1)	Effective Maintenance Budget Strategies	Completed
NCHRP 14-09(2)	Incorporation of Maintenance Considerations in Highway Design	Completed
NCHRP 14-09(3)	Maintenance Contracting	Completed
NCHRP 14-09(4)	Role of Highway Maintenance in Integrated Management Systems	Completed
NCHRP 14-09(5)	Impacts of Environmental, Health, and Safety Regulations on Highway Maintenance	Completed
NCHRP 14-09(6)	Professional Development of Maintenance Engineers and Managers	Completed
NCHRP 14-10	Improvements in Data Acquisition Technology for Maintenance Management Systems	Completed
NCHRP 14-11	Effective Motivation of Highway Maintenance Personnel	Completed
NCHRP 14-11(2)	Enhancement to Program for Effective Motivation of Highway Maintenance Personnel	Completed
NCHRP 14-12	Highway Maintenance Quality Assurance	Completed
NCHRP 14-13	Customer-Driven Benchmarking for Highway Maintenance Activities	Completed
NCHRP 14-14	Guide for Optimal Timing of Pavement Preventive Maintenance Treatment Applications	Completed
NCHRP 14-15	Developing a National Database System for Maintenance Actions on Highway Bridges	Completed
NCHRP 14-16	Guidelines for Vegetation Management	Completed	The final report has been received and provided to AASHTO for ballot.
NCHRP 14-17	Manual for Emulsion-Based Chip Seals for Pavement Preservation	Completed
NCHRP 14-18	Determining Highway Maintenance Costs	Completed
NCHRP 14-19	Culvert Rehabilitation to Maximize Service Life While Minimizing Direct Costs and Traffic Disruption	Final
NCHRP 14-20	Consequences of Delayed Maintenance - Phase I	Completed
NCHRP 14-20A	Consequences of Delayed Maintenance of Highway Assets	Completed
NCHRP 14-21	Resource Allocation Framework to Meet Highway Asset Preservation Needs	Final
NCHRP 14-22	Effective Removal of Pavement Markings	Final	Completed. Published as NCHRP Report 759
NCHRP 14-23	Practical Bridge Preservation Actions and Investment Strategies	Final	A decision was made to discontinue work on the project beyond Phase II. Further research related to bridge preservation actions will be performed under NCHRP Project 14-36.
NCHRP 14-24	Guidance for Communicating the Value of Highway System Maintenance and Preservation	Final
NCHRP 14-25	Guide for Selecting Level-of-Service Targets for Maintaining and Operating Highway Assets	Completed
NCHRP 14-26	Culvert and Storm Drain System Inspection Manual	Final
NCHRP 14-27	A Guide for the Preservation of Highway Tunnel Systems	Final
NCHRP 14-28	Inspection Guidelines for Bridge Post-Tensioning and Stay Cable Systems Using NDE Methods	Final
NCHRP 14-29	Assessing, Coding, and Marking of Highway Structures in Emergency Situations	Completed
NCHRP 14-30	Spot Painting to Extend Highway Bridge Coating Life	Final
NCHRP 14-31	Developing a Pavement-Maintenance Database System	Completed
NCHRP 14-32	Proposed Revisions to the AASHTO Movable Bridge Inspection, Evaluation, and Maintenance Manual	Final
NCHRP 14-33	Pavement Performance Measures that Consider the Contributions of Preservation Treatments	Completed
NCHRP 14-34	Guide for Performance Measures in Snow and Ice Control Operations	Completed
NCHRP 14-35	Acceptance Criteria of Complete Joint Penetration Steel Bridge Welds Evaluated Using Enhanced Ultrasonic Methods	Final
NCHRP 14-36	Proposed AASHTO Guide for Bridge Preservation Actions	Final	Published as NCHRP Research Report 950
NCHRP 14-36(01)	Implementation of Bridge Preservation Actions	Active	Research In Progress
NCHRP 14-37	Guide Specifications for the Construction of Chip Seals and Microsurfacing	Completed
NCHRP 14-38	Guide for Timing of Asphalt-Surfaced Pavements Preservation	Completed
NCHRP 14-39	Using Vegetated Compost Blankets to Achieve Highway Runoff Volume and Pollutant Reduction	Final	Published as NCHRP Research Report 1040.
NCHRP 14-40	Transforming Roadside Management and Technology Practices for the Benefit of Safety, Ecology, and Economy	Final
NCHRP 14-41	Permanent Vegetation Control Treatments for Roadsides	Final
NCHRP 14-42	Determining the Impact of Connected and Automated Vehicle Technology on State DOT Maintenance Programs	Final	NCHRP Research Report 1084 and NCHRP Research Report 1119 are now available.
NCHRP 14-43	Construction Guide Specifications for Cold Central Plant Recycling and Cold In-Place Recycling	Final	Report Published as NCHRP Web-Only-Document 363
NCHRP 14-44	Guide Specifications for the Construction of Slurry Seals, Scrub Seals, and Tack Coats	Completed
NCHRP 14-45	Guidelines for Response Planning, Assessment, and Rapid Restoration of Service of Bridges in Extreme Events	Completed
NCHRP 14-46	Guidelines for the Maintenance and Construction of Rumble Strips	Active
NCHRP 14-47	Tools and Technology for Roadside Landscape Asset Management	Completed	Research is complete. Final report under review.
NCHRP 14-48	Guidance for the Construction of Sand Seals and Ultra-thin Bonded Wearing Courses	Completed
NCHRP 15-10	Development of a Design/Graphics Interface System	Completed
NCHRP 15-11	Computer-Aided Analysis of Highway Encroachments on Mobile Boundary Streams	Completed
NCHRP 15-11A	BRI-STARS Maintenance Support and Enhancement	Completed
NCHRP 15-12	Roadway Widths for Low Traffic Volume Roads	Completed
NCHRP 15-13	Long-Term Performance of Geosynthetics in Drainage Applications	Completed
NCHRP 15-14(1)	Intersection Sight Distance	Completed
NCHRP 15-14(2)	Median Intersection Design	Completed
NCHRP 15-15	Collection and Presentation of Roadway Inventory Data	Completed
NCHRP 15-16	Superelevation Distribution Methods and Transition Designs	Final
NCHRP 15-16A	Superelevation Distribution Methods and Transition Designs	Final
NCHRP 15-17	Geometric Design Consistency on Higher-Speed, Non-Urban, Two-Lane Roads	Final
NCHRP 15-18	Design Speed and Operating Speed	Final
NCHRP 15-19	Application of Context-Sensitive Design Principles	Final
NCHRP 15-20	Planning, Design, and Operation of Pedestrian Facilities	Final
NCHRP 15-21	Review of Truck Characteristics as Factors in Roadway Design	Completed
NCHRP 15-22	Safety Consequences of Flexibility in Highway Design	Completed
NCHRP 15-23	Recommended Unit Conversions and Updates of the AASHTO Model Drainage Manual and Highway Drainage Guidelines	Completed	Updated versions of the AASHTO Highway Drainage Guidelines and the AASHTO Model Drainage Guidelines delivered to AASHTO
NCHRP 15-24	Hydraulic Loss Coefficients for Culverts	Completed	NCHRP Report 734 Hydraulic Loss Coefficients for Culverts
NCHRP 15-25	Alternatives to Design Speed for Selection of Roadway Design Criteria	Completed
NCHRP 15-26	Passing Sight Distance Criteria	Final
NCHRP 15-27	Safety Impacts of Design Element Trade-Offs	Completed	The final report is available as NCHRP Report 633.
NCHRP 15-28	Modernize and Upgrade CANDE for Analysis and Design of Buried Structures	Completed
NCHRP 15-29	Recommended Design Specifications for Live Load Distribution to Buried Structures	Final
NCHRP 15-30	Median Intersection Design for Rural High-Speed Divided Highways	Final
NCHRP 15-31	Design Guidance for Freeway Mainline Ramp Terminals	Completed	Continued as NCHRP 15-31A
NCHRP 15-31A	Design Guidance for Freeway Mainline Ramp Terminals	Final
NCHRP 15-32	Context Sensitive Solutions: Quantification of the Benefits in Transportation	Completed	The project final report is available as NCHRP Report 642: Quantifying the Benefits of Context Sensitive Solutions.
NCHRP 15-32A	Facilitating Implementation of the Guidelines for Quantifying the Benefits of Content Sensitive Solutions	Completed
NCHRP 15-33	Guide for Transportation Landscape and Environmental Design	Completed	The final report has been received and is being held for further revision.
NCHRP 15-34	Performance-Based Analysis of Geometric Design of Highways and Streets	Completed
NCHRP 15-34A	Performance-Based Analysis of Geometric Design of Highways and Streets	Final
NCHRP 15-35	Geometric Design of Driveways	Completed	NCHRP Report 659: Guide for the Geometric Design of Driveways and the Contractor's Final Report NCHRP Web-Only Document 151: Geometric Design of Driveways are available.
NCHRP 15-36	Estimating Joint Probabilities of Design Coincident Flows at Stream Confluences	Final	Completed. Published as NCHRP Web Only Report 199
NCHRP 15-37	Revising the AASHTO Guide for the Development of Bicycle Facilities	Completed	The final report has been distributed to AASHTO for ballot.
NCHRP 15-38	Structural Design Requirements for Culvert Joints	Final	The contractor's final report available online as NCHRP Web-Only Document 190
NCHRP 15-39	Superelevation Criteria for Sharp Horizontal Curves on Steep Grades	Final	Completed. Published as NCHRP Report 774.
NCHRP 15-40	Design Guidance for High-Speed to Low-Speed Transition Zones for Rural Highways	Final
NCHRP 15-41	Sag Vertical Curve Design Criteria for Headlight Sight Distance	Final
NCHRP 15-42	Recommended Bicycle Lane Widths for Various Roadway Characteristics	Completed
NCHRP 15-43	Second Edition of the TRB Access Management Manual	Final	Completed. Published by TRB as the Second Edition of the TRB Access Management Manual
NCHRP 15-44	Guidelines for the Use of Mobile LIDAR in Transportation Applications	Completed	The guide is available as NCHRP Report 748.
NCHRP 15-45		Completed
NCHRP 15-46	Design-Management Guide for Design-Build and Construction Manager/General Contractor Projects	Final
NCHRP 15-47	Developing an Improved Highway Geometric Design Process	Final
NCHRP 15-48	Guidelines for Designing Low- and Intermediate-Speed Roadways that Serve All Users	Final
NCHRP 15-49	Guidelines for Implementing Managed Lanes	Completed
NCHRP 15-50	Guidelines for Integrating Safety and Cost-Effectiveness into Resurfacing, Restoration, and Rehabilitation Projects	Final	Published as NCHRP Report 876
NCHRP 15-50(01)	Implementation Assessment of 3R Design Guidelines	Final	Published as NCHRP Report 876
NCHRP 15-51	Pre-construction Services Cost Estimating Guidebook	Final
NCHRP 15-52	Developing a Context-Sensitive Functional Classification System for More Flexibility in Geometric Design	Final	Published as NCHRP Report 855
NCHRP 15-53	Roadside Barrier Designs Near Bridge Ends with Restricted Rights of Way	Final	Published as NCHRP Research Report 1013 and NCHRP WOD 334.
NCHRP 15-54	Proposed Modifications to AASHTO Culvert Load Rating Specifications	Final	Available as NCHRP Web-only Document 268 in January 2020
NCHRP 15-55	Guidance to Predict and Mitigate Dynamic Hydroplaning on Roadways	Final
NCHRP 15-56	Guidelines for Selecting Ramp Design Speeds	Final	Published as NCHRP Web-Only Document 313
NCHRP 15-57	Highway Capacity Manual Methodologies for Corridors Involving Freeways and Surface Streets	Final
NCHRP 15-58	An Assessment of Safety and Geometric Design Criteria for Diverging Diamond Interchanges	Final	Published as NCHRP Report 959
NCHRP 15-59	Horizontal Sightline Offset Design Criteria, Exceptions, and Mitigation Strategies	Final	Published as NCHRP Research Report 910.
NCHRP 15-60	Proposed Update of the AASHTO Guide for the Development of Bicycle Facilities	Completed	In AASHTO balloting process.
NCHRP 15-61	Applying Climate Change Information to Hydrologic and Hydraulic Design of Transportation Infrastructure	Completed
NCHRP 15-61A	Hydrologic and Hydraulic Design Guide to Incorporate Climate Science in Transportation Infrastructure	Active	Research in progress
NCHRP 15-62	Design and Access Management Guidelines for Truck Routes	Final	Published as NCHRP Research Report 943.
NCHRP 15-63	Guidance to Improve Pedestrian and Bicycle Safety at Intersections	Final	Published as NCHRP Research Report 926
NCHRP 15-64	Guidelines for the Design of Unsignalized Median Openings in Close Proximity to Signalized Intersections	Final
NCHRP 15-66	Operational Performance and Safety Effects of Arterial Weaving Sections	Final
NCHRP 15-67	Wind Drag Coefficients for Highway Signs and Support Structures	Final	The final deliverable has been published as NCHRP Report 1012
NCHRP 15-68	Effective Low-Noise Rumble Strips	Final	The remaining tasks will be completed under NCHRP 15-68(01).
NCHRP 15-68(01)	Effective Low-Noise Rumble Strips	Final	Published as NCHRP Research Report 1107.
NCHRP 15-69	Utility Conflict Impacts During Highway Construction	Final	The report and guide have been published as NCHRP WOD 396 and NCHRP Research Report 1110, respectively.
NCHRP 15-70	Valuation and Compensation for Accommodating Utility and Communications Installations in Public Rights of Way	Final
NCHRP 15-71	Contingency Factors to Account for Risk in Early Construction Cost Estimates for Transportation Infrastructure Projects	Final
NCHRP 15-72	Identification of AASHTO Context Classifications	Final	Published as NCHRP Research Report 1022.
NCHRP 15-73	Design Options to Reduce Turning Motor Vehicle – Bicycle Conflicts at Controlled Intersections	Final	Published as NCHRP Research Report 1125
NCHRP 15-74	Safety Evaluation of On-Street Bicycle Facility Design Features	Completed
NCHRP 15-75	Update of the Policy on Geometric Design of Highways and Streets Guidance on Acceleration/Deceleration and Stopping Sight Distance Criteria	Final
NCHRP 15-76	Designing for Target Speed	Completed	Continued as NCHRP 15-76(01)
NCHRP 15-76(01)	Designing for Target Speed	Active	Research in progress.
NCHRP 15-77	Aligning Geometric Design with Roadway Context	Final
NCHRP 15-78	Guidebook for Urban and Suburban Roadway Cross-Sectional Reallocation	Final
NCHRP 15-79	Development of Guidance for Non-Standard Roadside Hardware Installations	Active
NCHRP 15-80	Design Guide and Standards for Infrastructure Resilience	Active	Research in progress.
NCHRP 15-81	Guideline for Depicting Existing and Proposed Utility Facilities in Design Plans	Active
NCHRP 15-82	Relationship of Speed, Roadway Geometrics, and Crashes on High-Speed Rural Highways	Active
NCHRP 15-83	Strategic Research Agenda for Geometric Design of Highways and Streets	RFP
NCHRP 15-84	Roadside Design for the Safety and Comfort of Nonmotorized and Micromobility Users	RFP
NCHRP 15-85	Performance-Based Superelevation Design Criteria	RFP
NCHRP 15-86	Assessing Pedestrian Sight Distance for Crossing Decisions	RFP
NCHRP 16-04	Design Guidelines for Safe and Aesthetic Roadside Treatments in Urban Areas	Completed
NCHRP 16-05	Guidelines for Cost-Effective Safety Treatments of Roadside Ditches	Final
NCHRP 17-06A	Service Vehicle Lighting and Traffic Control Systems for Short-Term and Moving Work Zones (Phase II)	Completed
NCHRP 17-07	Guidelines for Converting STOP to YIELD Control at Intersections	Final
NCHRP 17-08	Traffic Barrier and Control Treatments for Restricted Work Zones	Completed
NCHRP 17-09	Effect of Highway Standards on Safety	Completed
NCHRP 17-09(2)	Impacts of Resurfacing Projects With and Without Additional Safety Improvements	Completed
NCHRP 17-10	Structural Supports for Highway Signs, Luminaires, and Traffic Signals	Completed
NCHRP 17-10(2)	Structural Supports for Highway Signs, Luminaires, and Traffic Signals	Completed
NCHRP 17-100	Leveraging Artificial Intelligence and Big Data to Enhance Safety Analysis	Completed	Publication decision pending.
NCHRP 17-101	Applying the Safe System Approach to Transportation Planning, Design, and Operations in the United States	Completed
NCHRP 17-102	Safety Performance for Active Transportation Modes Using Exposure Models	Active
NCHRP 17-103	A Guide and Toolkit for Strategic Decision-Making to Improve Traffic Safety	Active	Research in progress
NCHRP 17-104	Enhancement of Roadside Design Safety Prediction Models for the Highway Safety Manual	Active	Research in progress
NCHRP 17-105	MASH Crashworthiness of Luminaire Poles	Final	This project is combined with NCHRP Project 22-43
NCHRP 17-106	Motorist Behavior and Safety Impacts on Bicyclists from Centerline and Shoulder Rumble Strips on High-Speed Two-Lane Highways	Active
NCHRP 17-107	Guide for Work Zone Intrusion Prediction and Prevention	Active	Research in progress
NCHRP 17-108	Developing Crash Modification Factors for Alternative Intersections	Active
NCHRP 17-109	Crash Modification Factors for Automated Traffic Signal Performance Measures	Active	Research in progress
NCHRP 17-11	Determination of Safe/Cost Effective Roadside Slopes and Associated Clear Distances	Completed
NCHRP 17-11(02)	Development of Clear Recovery Area Guidelines	Completed
NCHRP 17-11(03)	Development of Clear Recovery Area Guidelines	Final
NCHRP 17-110	Vehicle-Based Telemetric Data for State and Local Transportation Agencies	Active	Research in progress.
NCHRP 17-111	Speed Management Strategies to Improve Pedestrian and Bicyclist Safety on Arterials and Higher-Speed Roadways	Active	Research in progress
NCHRP 17-112	Enhancing Crash Modification Factors and Safety Performance Functions for Pedestrian and Bicyclist Countermeasures	Active	Research in progress
NCHRP 17-113	Incorporating Safe System Approach into the NCHRP Report 500 Series	Active	Research underway
NCHRP 17-114	Integrated Strategies for Managing Excessive Travel Speed to Improve Safety Performance	Active
NCHRP 17-115	Guide for Marked Crosswalk Design, Spacing, Placement, and Safety	Active	Research in progress
NCHRP 17-116	Practical Approaches to Quantifying Safe System Concepts	Active
NCHRP 17-117	Advancing Safety Prediction Methodologies for Horizontal Curves	Active
NCHRP 17-118	Understanding the Impacts of Operational Changes on Safety Performance	Active	Research in progress
NCHRP 17-119	Conflict-Based Crash Prediction Method for Intersections	Active	Research in progress
NCHRP 17-12	Improved Safety Information to Support Highway Design	Completed
NCHRP 17-120	A Method to Link Crash, Emergency Medical Service, and Trauma Registry Data	Active	Research underway
NCHRP 17-121	Using Advanced Technologies to Reduce Commercial Motor Vehicle Crashes in Work Zones	Active	Research is progress.
NCHRP 17-122	Strategies and Technologies for Warning, Detection, and Prevention of Trespassing in the Vicinity of Highway-Rail Grade Crossings: State of the Practice and Research Needs	Pending
NCHRP 17-123	Guide for Evaluating the Safety Performance of Shared Railway–Highway Interfaces	Active
NCHRP 17-124	Effectiveness of Speed Reduction in Work Zones	Active	Research underway
NCHRP 17-125	Guide for Applying Safe System Principles in the Road Safety Audit Process	Active
NCHRP 17-126	Crash Prediction Models for Alternative and Unconventional Intersections	Active
NCHRP 17-127	Guide for Applying Quantitative Highway Safety Analysis Methods	Active
NCHRP 17-128	Reducing Adverse Driving Behaviors in Work Zones: Strategies and Guidelines	Active	Research in progress
NCHRP 17-129	Assessing Safety Performance of Atypical Service Interchanges	Pending
NCHRP 17-13	Strategic Plan for Improving Roadside Safety	Completed
NCHRP 17-130	Training Program to Apply Quantitative Highway Safety Analysis Methods	Pending
NCHRP 17-131	A Guide on Alternative Intersections and Interchanges	RFP
NCHRP 17-132	Toolkit to Support Implementation of the Safe System Approach	Pending
NCHRP 17-133	Applicability of the 85th Percentile for Setting Speed Limits on Freeways, Expressways, and Rural Highways	Pending
NCHRP 17-134	Center Line Buffer Areas for Safety: Implementation Guidelines and Tool	Pending
NCHRP 17-135	Imagery Reference Illustrating Data Elements for Crash Prediction Methodology	RFP
NCHRP 17-136	Safe System Approach for Including Trees in Urban and Suburban Roadway Contexts	Pending
NCHRP 17-137	Crash Prediction Methods for Long-Duration Work Zones	RFP
NCHRP 17-138	Pavement Marking Selection for Bridge and Pavement Preservation Treatments	RFP
NCHRP 17-14	Improved Guidelines for Median Safety	Final
NCHRP 17-15	Accident Mitigation on Congested Rural and Exurban Two- and Three-Lane Highways	Final
NCHRP 17-16	Accident Warrant for Traffic Signals	Final
NCHRP 17-17	Development of Guidelines for Nighttime Road Work to Improve Safety and Operations	Completed
NCHRP 17-17(2)	Development of Guidelines for Nighttime Road Work to Improve Safety and Operations	Completed
NCHRP 17-18	AASHTO Strategic Highway Safety Plan Implementation Support	Completed
NCHRP 17-18(02)	Web Site Development	Completed
NCHRP 17-18(03)	Guidance for Implementation of the AASHTO Strategic Highway Safety Plan	Completed
NCHRP 17-18(04)	Highway Safety Manual	Completed
NCHRP 17-18(05)	Integrated Management Process to Reduce Highway Injuries and Fatalities Statewide	Completed
NCHRP 17-18(05)B	Integrated Safety Management Process - Technical Support	Completed
NCHRP 17-18(07)	AASHTO Strategic Highway Safety Plan--Technology Transfer Plan	Completed
NCHRP 17-18(08)	Comprehensive Human Factors Guidelines for Road Systems	Completed
NCHRP 17-18(09)A	Coordination of Safety Research	Completed
NCHRP 17-18(10)	Safe Landscape Awareness Course	Completed
NCHRP 17-18(11)	Implementation Plan and Products	Completed
NCHRP 17-18(14)	Lane Departure Video	Completed
NCHRP 17-18(15)	Local Highway Agency Safety Guides	Completed
NCHRP 17-18(19)	White Paper on Alternate Strategies for Safety Improvement Investments	Completed
NCHRP 17-20	Technical Support for the AASHTO Task Force on Roadside Safety (TFRS)	Completed
NCHRP 17-21	Safety of U-Turns at Unsignalized Median Openings	Completed
NCHRP 17-22	Identification of Vehicular Impact Conditions Associated with Serious Ran-Off-Road Crashes	Completed
NCHRP 17-23	Safety Impacts and Other Implications of Raised Speed Limits on High-Speed Roads	Completed
NCHRP 17-24	Use of Event Data Recorder (EDR) Technology for Roadside Crash Data Analysis	Completed
NCHRP 17-25	Crash Reduction Factors for Traffic Engineering and ITS Improvements	Completed
NCHRP 17-26	Methodology to Predict the Safety Performance of Urban and Suburban Arterials	Completed
NCHRP 17-27	Parts I and II of the Highway Safety Manual	Completed
NCHRP 17-28	Pavement Marking Materials and Markers: Safety Impact and Cost-Effectiveness	Completed
NCHRP 17-29	Methodology to Predict the Safety Performance of Rural Multilane Highways	Completed
NCHRP 17-30	Traffic Safety Evaluation of Nighttime and Daytime Work Zones	Completed
NCHRP 17-31	Human Factors Guidelines for Road Systems--Phase 2	Completed
NCHRP 17-32	Guidance for the Design and Application of Shoulder and Centerline Rumble Strips	Completed
NCHRP 17-33	Effectiveness of Behavioral Highway Safety Countermeasures	Completed
NCHRP 17-34	Prepare Parts IV and V of the Highway Safety Manual	Completed
NCHRP 17-35	Evaluation of Safety Strategies at Signalized Intersections	Completed
NCHRP 17-36	Production of the First Edition of the Highway Safety Manual	Completed
NCHRP 17-37	Pedestrian Predictive Crash Methodology for Urban and Suburban Arterials	Completed
NCHRP 17-38	Highway Safety Manual Implementation and Training Materials	Completed
NCHRP 17-40	Model Curriculum for Highway Safety Core Competencies	Completed
NCHRP 17-41	Human Factors Guidelines for Road Systems - Phase III	Completed
NCHRP 17-42	Development of Information and Data to Support Improved Safety Management and Communication of Safety Needs	Completed
NCHRP 17-43	Long-Term Roadside Crash Data Collection Program	Final
NCHRP 17-44	Factors Contributing to Median Encroachments and Cross-Median Crashes	Final
NCHRP 17-45	Enhanced Safety Prediction Methodology and Analysis Tool for Freeways and Interchanges	Final
NCHRP 17-46	Comprehensive Analysis Framework for Safety Investment Decisions	Final
NCHRP 17-47	Human Factors Guidelines for Road Systems	Final
NCHRP 17-48	Highway Infrastructure and Operations Safety Research Needs	Completed	Published as NCHRP Report 756.
NCHRP 17-49	Guide for Effective Tribal Crash Reporting	Completed	Final report published as NCHRP Report 788.
NCHRP 17-50	Lead States Initiative for Implementing the Highway Safety Manual	Final
NCHRP 17-51(03)	Communication Plan for the National Highway Safety Strategy	Completed
NCHRP 17-51(04)	Development of a National Strategy on Highway Safety — TZD Framework	Final
NCHRP 17-52	Using Peer Exchanges to Improve the Effectiveness of a State's Strategic Highway Safety Plan	Final
NCHRP 17-53	Evaluation of the 13 Controlling Criteria for Geometric Design	Final
NCHRP 17-54	Consideration of Roadside Features in the Highway Safety Manual	Final
NCHRP 17-55	Guidelines for Slope Traversability	Final	Published as NCHRP Research Report 911
NCHRP 17-56	Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments	Final
NCHRP 17-57	Development of a Comprehensive Approach for Serious Traffic Crash Injury Measurement and Reporting Systems	Final
NCHRP 17-58	Safety Prediction Models for Six-Lane and One-Way Urban and Suburban Arterials	Final
NCHRP 17-59	Safety Impacts of Intersection Sight Distance	Completed
NCHRP 17-60	Benefit-Cost Methodology for Behavioral Highway Safety Countermeasures	Active
NCHRP 17-61	Work Zone Crash Characteristics and Countermeasure Guidance	Final
NCHRP 17-62	Improved Prediction Models for Crash Types and Crash Severities	Final
NCHRP 17-63	Guidance for the Development and Application of Crash Modification Factors	Final
NCHRP 17-64	Guidance for the Implementation of the Toward Zero Deaths National Strategy on Highway Safety	Final
NCHRP 17-65	Improved Analysis of Two-Lane Highway Capacity and Operational Performance	Final
NCHRP 17-66	Guidance for Selection of Appropriate Countermeasures for Opposite Direction Crashes	Final	Published as NCHRP Research Report 995.
NCHRP 17-67	Identification of Factors Contributing to the Decline of Traffic Fatalities in the United States	Active
NCHRP 17-68	Intersection Crash Prediction Methods for the Highway Safety Manual	Final
NCHRP 17-69	A Strategic Approach to Transforming Traffic Safety Culture to Reduce Deaths and Injuries	Final	The contractor's report is available as NCHRP Web-Only Document 252
NCHRP 17-70	Development of Roundabout Crash Prediction Models and Methods	Final
NCHRP 17-71	Proposed AASHTO Highway Safety Manual, Second Edition	Final	Being completed by NCHRP Project 17-71A
NCHRP 17-71A	Proposed AASHTO Highway Safety Manual, Second Edition	Completed	Research completed
NCHRP 17-72	Update of Crash Modification Factors for the Highway Safety Manual	Final
NCHRP 17-73	Systemic Pedestrian Safety Analysis	Final
NCHRP 17-74	Application of Crash Modification Factors for Access Management	Final	Final report has been published as NCHRP Research Report 974 Volumes 1 and 2
NCHRP 17-75	Leveraging Big Data to Improve Traffic Incident Management	Final	Published as NCHRP Research Report 904.
NCHRP 17-76	Guidance for the Setting of Speed Limits	Final
NCHRP 17-77	Guide for Quantitative Approaches to Systemic Safety Analysis	Final
NCHRP 17-78	Understanding and Communicating Reliability of Crash Prediction Models	Final
NCHRP 17-79	Safety Effects of Raising Speed Limits to 75 mph and Higher	Final
NCHRP 17-80	Expansion of Human Factors Guidelines for Road Systems, Second Edition	Completed
NCHRP 17-81	Proposed Macro-Level Safety Planning Analysis Chapter for the Highway Safety Manual	Final	The Final Report was published as NCHRP Research Report 1044. The guide was published as NCHRP WOD 348.
NCHRP 17-82	Proposed Guidance for Fixed Objects in the Roadside Design Guide	Final
NCHRP 17-83	Briefings and Training Materials for Implementation of the Highway Safety Manual, Second Edition	Final	Project Cancelled
NCHRP 17-84	Pedestrian and Bicycle Safety Performance Functions for the Highway Safety Manual	Final	Published as NCHRP Research Report 1064.
NCHRP 17-85	Development and Application of Crash Severity Models for the Highway Safety Manual	Final
NCHRP 17-86	Estimating Effectiveness of Safety Treatments in the Absence of Crash Data	Final
NCHRP 17-87	Enhancing Pedestrian Volume Estimation and Developing HCM Pedestrian Methodologies for Safe and Sustainable Communities	Final	Published as NCHRP WOD 312 and NCHRP Research Report 992
NCHRP 17-88	Roadside Encroachment Database Development and Analysis	Completed	Publication decision pending.
NCHRP 17-89	Safety Performance of Part-Time Shoulder Use on Freeways	Completed
NCHRP 17-89A	HOV/HOT Freeway Crash Prediction Method for the Highway Safety Manual	Final
NCHRP 17-89B	Safety Performance of Part-Time Shoulder Use on Freeways	Anticipated	Cancelled.
NCHRP 17-90	Evaluation of Roadside Crash Injury Metrics in MASH	Completed	Agency report available on project's webpage
NCHRP 17-91	Assessing the Impacts of Automated Driving Systems (ADS) on the Future of Transportation Safety	Final	Published as NCHRP Research Report 1001/BTSCRP Research Report 2
NCHRP 17-92	Developing Safety Performance Functions for Rural Two-Lane Highways that Incorporate Speed Measures	Completed	Publication decision pending.
NCHRP 17-93	Updating Safety Performance Functions for Data-Driven Safety Analysis	Final
NCHRP 17-95	Crash Modification Factors (CMFs) for Intelligent Transportation System (ITS) Applications	Completed	Expired.
NCHRP 17-96	Traffic Safety Culture Research Roadmap	Final
NCHRP 17-97	Strategies to Improve Pedestrian Safety at Night	Active
NCHRP 17-98	Guide for Intersection Control Evaluation	Completed
NCHRP 17-99	Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings	Active
NCHRP 18-03	Silica Fume Concrete for Bridge Decks	Completed
NCHRP 18-04A	Durability of "Early-Opening-to-Traffic" Portland Cement Concrete for Pavement Rehabilitation: Background and Plan for Evaluation	Completed
NCHRP 18-04B	Durability of "Early-Opening-to-Traffic" Portland Cement Concrete for Pavement Rehabilitation	Completed
NCHRP 18-05	Relationship of Portland Cement Characteristics to Concrete Durability	Completed
NCHRP 18-06	Service Life of Corrosion-Damaged Reinforced Concrete Bridge Superstructure Elements	Completed
NCHRP 18-06A	Service Life of Corrosion-Damaged Reinforced Concrete Bridge Superstructure Elements	Completed
NCHRP 18-07	Prestress Losses in Pretensioned High-Strength Concrete Bridge Girders	Completed
NCHRP 18-08	Supplementary Cementitious Materials to Enhance Durability of Concrete Bridge Decks	Completed
NCHRP 18-08A	Supplementary Cementitious Materials to Enhance Durability of Concrete Bridge Decks	Completed
NCHRP 18-09A	Guidelines for Reducing Premature Deterioration of Hydraulic Cement Concrete Pavements: Background and Research Plan	Completed
NCHRP 18-10	Procedures for Evaluating Air-Entraining Admixtures for Highway Concrete	Completed
NCHRP 18-11	Improved Specifications and Protocols for Acceptance Tests on Processing Additions in Cement Manufacturing	Completed
NCHRP 18-12	Self-Consolidating Concrete for Precast, Prestressed Concrete Bridge Elements	Completed
NCHRP 18-13	Specifications and Protocols for Acceptance Tests of Fly Ash Used in Highway Concrete	Completed
NCHRP 18-14	Evaluation and Repair Procedures for Precast/Prestressed Concrete Girders with Longitudinal Cracking in the Web	Final
NCHRP 18-15	High-Performance/High-Strength Lightweight Concrete for Bridge Girders and Decks	Completed
NCHRP 18-16	Self-Consolidating Concrete for Cast-in-Place Bridge Components	Completed
NCHRP 18-17	Entrained Air Void System for Durable Highway Concrete	Final
NCHRP 18-18	Design and Construction of Deck Bulb Tee Girder Bridges with UHPC Connections	Final	Published as NCHRP Research Report 999
NCHRP 18-19	Rating Concrete Water Permeability Based on Resistivity Measurements	Completed
NCHRP 18-20	AASHTO LRFD Design, Installation, and Standard Practice of Testing for Cured In-Place Pipe Liners	Final	Phases I and II have been completed and the remaining tasks have been transferred to NCHRP Project 18-20(01)
NCHRP 18-20(01)	Guide for Design, Installation, and Testing of Cured In-Place Pipe Liners	RFP
NCHRP 18-21	Utilization of Alternative Supplementary Cementitious Materials in Highway Applications	Pending	Contract pending at this time.
NCHRP 18-22	Concrete Shrinkage Measurement and Cracking Mitigation	RFP
NCHRP 19-04	A Review of DOT Compliance with GASB 34 Requirements	Completed
NCHRP 19-05	Assessing and Mitigating Future Impacts to the Federal Highway Trust Fund such as Alternative Fuel Consumption	Final
NCHRP 19-06	Identifying and Quantifying Rates of State Motor Fuel Tax Evasion	Completed
NCHRP 19-07	GASB 34--Methods for Condition Assessment and Preservation	Final
NCHRP 19-08	Costs of Alternative Revenue-Generation Systems	Completed
NCHRP 19-10	AASHTO Partnering Handbook, Second Edition	Completed	Draft final report received August 7, 2017.
NCHRP 19-11	Applying Risk Analysis, Value Engineering, and other Innovative Solutions for Project Delivery	Completed
NCHRP 19-12	Guide for Financial Planning and Management in Support of Transportation Asset Management	Final
NCHRP 19-13	Guidance for Use of Land Value Return and Recycling to Fund Transportation	Final
NCHRP 19-14	Right-Sizing Transportation Investments--Methods for Planning and Programming	Completed
NCHRP 19-15	Guidebook for Effective Policies and Practices for Managing Surface Transportation Debt	Final	NCHRP Report 990 has been published
NCHRP 19-16	Federal Funding Uncertainty in State, Local, and Regional Departments of Transportation: Impacts, Responses, and Adaptation	Final
NCHRP 19-17	Federal Funding Flexibility: Use of Federal Aid Highway Fund Transfers by State DOTs	Final
NCHRP 19-18	Transitioning Fuel Tax Assessments to a Road Usage Charge	Final
NCHRP 19-19	Sustaining Zero-Fare Public Transit in a Post COVID-19 World: A Guide for State DOTs	Final	Published as NCHRP Research Report 1126 on 9/26/2024
NCHRP 19-20	Interdependence of Federal, State, and Local Transportation Funding and Ownership	Active
NCHRP 19-21	Selecting Revenue Models for Electric Vehicle Charging	Active	Research in progress
NCHRP 19-22	Equity Impacts of Transportation Revenue Mechanisms and Changing Trends	Active	Research is progress.
NCHRP 19-23	Revenue-Related Strategies for New Mobility Options	Active
NCHRP 19-24	A Guide for Implementing Price Adjustment Clauses to Balance Risk Sharing in Construction Projects	Active
NCHRP 19-25	Funding Needs for Maintenance and Preservation of Transportation Assets	Active	Research in Progress
NCHRP 19-26	Modernizing Fuel Tax Revenue Forecasting	Active
NCHRP 20-05	Synthesis of Information Related to Highway Practices	Active
NCHRP 20-06	Legal Problems Arising out of Highway Programs	Active	Hyperlinks to each LRD published since 1999 appear below (Topic 10-03 forward).
NCHRP 20-06/Topic 17-01	Update of Selected Studies in Transportation, Volume One: Transportation Contract Law	Completed
NCHRP 20-06/Topic 17-02	Tort Liability Defense Practices for Design Flexibility	Final
NCHRP 20-06/Topic 17-03	First Responders	Completed
NCHRP 20-06/Topic 17-04	Legal Aspects of Performance-Based Specifications for Highway Construction and Maintenance Contracts	Final
NCHRP 20-06/Topic 17-05	The Ramifications of Post-Kelo Legislation on State Transportation	Final
NCHRP 20-06/Topic 18-01	Legal Aspects of Conservation Easements—A Primer for Transportation Agencies	Final
NCHRP 20-06/Topic 18-02	Enforceability of Local Hire Preference Programs	Final
NCHRP 20-06/Topic 18-03	Legal Issues Surrounding the Use of Digital Intellectual Property on Design and Construction Projects	Final
NCHRP 20-06/Topic 19-01	Eminent Domain and Fair Market Value in a Depressed Real Estate Market	Final
NCHRP 20-06/Topic 19-02	Legal Aspect of Environmental Permitting in the Emergency Response Environment	Final	Completed. Published as NCHRP LRD 64.
NCHRP 20-06/Topic 19-03	Effect of MUTCD on Tort Liability of Government Transportation Agencies	Final	Completed. Published as NCHRP Legal Research Digest No. 63, Eminent Domain and Fair Market Value in a Depressed Real Estate Market,
NCHRP 20-06/Topic 19-04	Use of Social Media in Transportation Agencies	Completed
NCHRP 20-06/Topic 20-02	Liability of Design Builders for Design, Construction and Acquisition Claims	Final	Completed and published as NCHRP LRD 68
NCHRP 20-06/Topic 20-03	Permissible Arranges in Scope of Work for Construction Contracts	Final	Completed. Published as NCHRP LRD 67
NCHRP 20-06/Topic 20-04	Due Diligence for Insurance Coverage in Transportation Construction Contracts	Final	Completed and Published as NCHRP LRD 66
NCHRP 20-06/Topic 21-01	A Look at the Legal Environment for Driverless Vehicles	Final	Completed. Published as NCHRP LRD 69.
NCHRP 20-06/Topic 21-02	Claims Related to Stormwater Discharges	Final	Published as Research Results Digest 395: Claims Related to Stormwater Discharge.
NCHRP 20-06/Topic 21-03	Takings and Mitigation	Final	Completed. Published as NCHRP Legal Research Digest 70
NCHRP 20-06/Topic 21-04	Liability of Transportation Entity for the Unintentional Release of Secure Data or the Intentional Release of Monitoring Data on Movements or Activities of the Public	Completed	Completed; Published as NCHRP Legal Research Digest 71
NCHRP 20-06/Topic 22-01	Legal Requirements for State DOT Participation in Conservation Plans	Completed	Completed. Published as NCHRP Legal Research Digest, Issue 75
NCHRP 20-06/Topic 22-02	Liability of State Departments of Transportation for Design Errors	Completed	NCHRP Legal Research Digest 74, Issue 74
NCHRP 20-06/Topic 22-03	Primer on Patentability and Use of Ideas Developed by Contractors Performing Work for State and Federal Transportation and Local Planning Agencies	Completed	Completed- published as Legal Research Digest 73
NCHRP 20-06/Topic 22-04	Summary of Federal Law Restricting Use of Highway Safety Data in Tort Litigation	Completed	Completed.
NCHRP 20-06/Topic 23-01	Condemnation Hierarchy-Competing Public Uses	Final	Completed-Published as Legal Research Digest 78
NCHRP 20-06/Topic 23-04	The Effectiveness of State False Claims Acts in Protecting State Transportation Funding	Completed	Complete - published as LRD 79
NCHRP 20-06/Topic 23-05	Update of Selected Studies in Transportation Law: Volume Eight, Section 3: Indian Transportation Law	Final	Completed; Published as NCHRP 76
NCHRP 20-06/Topic 23-06	Update of Selected Studies in Transportation Law: Volume Eight, Section 1: Transportation Agencies and Civil Rights	Final	Completed. Published as NCHRP Report
NCHRP 20-06/Topic 24-01	Buy America Requirements For Federal Highway Projects	Final	Completed. Published as NCHRP LRD 80.
NCHRP 20-06/Topic 24-02	Potential Liability Associated with Unstable Slope Management Programs	Final	Completed. Published as NCHRP LRD 82.
NCHRP 20-06/Topic 24-03	Guidelines for Drafting Liability Neutral Transportation Engineering Documents	Final	Completed. Published as NCHRP LRD 83
NCHRP 20-06/Topic 24-04	The Legal Issues Concerning the Use of Transportation Facilities to Generate Revenue for State DOTs	Final	Completed. Published as NCHRP LRD 81.
NCHRP 20-06/Topic 24-05	Fix It, Sign It, or Close It: State of Good Repair in an Era of Budget Constraints	Completed	Completed. Published as TCRP LRD 57 and NCHRP LRD 84.
NCHRP 20-06/Topic 25-01	Public Liabilities Relating to Driveway Permits	Final	Completed - Published as NCHRP LRD 85.
NCHRP 20-06/Topic 25-03	Managing Enhanced Risk in the Mega Project Era	Final	Completed - Published as NCHRP LRD 86.
NCHRP 20-06/Topic 25-04	Laws Governing Homeless Encampments in Transportation Rights-of-Way	Final	Completed - Published as NCHRP LRD 87.
NCHRP 20-06/Topic 25-05	The Legal Issues Associated with Consequential Damages Provisions in Construction Contracts	Final	Completed. Published as NCHRP LRD 88.
NCHRP 20-06/Topic 25-06	Legal Issues and Strategies for Best-Value Procurement for Highway Construction	Completed	Completed. Published as NCHRP Legal Research Digest 90.
NCHRP 20-06/Topic 25-07	Review of Statutory and Case Law on Planning and Environmental Linkages	Final	Completed. Published as NCHRP LRD 89.
NCHRP 20-06/Topic 26-01	Effects of Indian Treaties on Development and Operation of Transportation Facilities	Completed	Research Completed. Will be published as NCHRP Legal Research Digest 94
NCHRP 20-06/Topic 26-02	Analysis of Arbitration and Holdings in Construction Disputes	Final	Completed. Published as NCHRP Legal Research Digest 92 .
NCHRP 20-06/Topic 26-03	Multistate Coordination and Harmonization for AV Legislation	Final	Research Completed. Published as NCHRP LRD 91.
NCHRP 20-06/Topic 26-04	Pandemics and Contractual Issues	Final	Research Completed. Published as Legal Research Digest 93.
NCHRP 20-06/Topic 27-01	Transportation Agency Liability for Roadside Safety Hardware	Active	Research in progress.
NCHRP 20-06/Topic 27-02	State and Local Suspension and Debarment Programs of Contractors	Anticipated	In development
NCHRP 20-06/Topic 27-03	Environmental and Planning Law and Transportation	Active	Research is in Progress.
NCHRP 20-06/Topic 27-04	Managing Performance for Innovative Technology Contracts	Final	Cancelled.
NCHRP 20-06/Topic 27-05	Addressing Liability Issues of Proactive Safety Improvements	Active	Research is in Progress.
NCHRP 20-07	Research for AASHTO Standing Committee on Highways	Final
NCHRP 20-07/Task 001	The Development of a Cost-Effectiveness Approach to the Programming of Roadside Safety Improvements	Completed	Completed---Published as NCHRP Report 148
NCHRP 20-07/Task 002	The Relation of Side-Slope Design to Highway Safety	Completed	Completed---Published as NCHRP Report 158
NCHRP 20-07/Task 003	The Development of an Effective Earth-Berm Vehicle Deflector	Completed	Completed---Summarized in NCHRP Research Results Digest 77
NCHRP 20-07/Task 004	Lateral Acceleration and Lateral Tire-Pavement Forces in a Vehicle Traversing Curves Relating to Available Pavement Skid-Resistant Measures	Completed	Completed---Summarized in NCHRP Research Results Digest 55
NCHRP 20-07/Task 005	Effect of Curb Geometry and Location	Completed	Completed---Published as NCHRP Report 150
NCHRP 20-07/Task 006	Development of Impact Attenuators Utilizing Waste Materials	Completed	Completed---Published as NCHRP Report 157
NCHRP 20-07/Task 007	Safety at Narrow Bridge Sites	Completed	Completed---Published as NCHRP Report 203
NCHRP 20-07/Task 008	Energy and Transportation Systems	Completed
NCHRP 20-07/Task 009	Review of Highway Management Studies Co-Sponsored by AASHTO and HUFSAM	Completed
NCHRP 20-07/Task 010	Review of Vehicle Weight/Horsepower Ratio as Related to Passing-Lane Design Criteria	Completed
NCHRP 20-07/Task 011	Longitudinal Occupancy of Freeways by Utilities	Completed
NCHRP 20-07/Task 012	Guidelines for Citizen Participation in Transportation Planning	Completed
NCHRP 20-07/Task 013	Guidelines for Safety Criteria for Low-Volume Roads	Completed	Completed---Published as NCHRP Report 214
NCHRP 20-07/Task 014	A Policy on Geometric Design of Highways and Streets	Completed
NCHRP 20-07/Task 015	Development of a Simplified Pavement Management System	Completed	Completed---Published as NCHRP Report 215
NCHRP 20-07/Task 016	Regulation of Movement of Hazardous Cargoes	Completed
NCHRP 20-07/Task 017	Evaluation of AASHO Road Test Satellite and Environmental Studies	Completed
NCHRP 20-07/Task 018	Standard Specifications for Highway Bridges	Completed
NCHRP 20-07/Task 019	The Engineering Aspects of Highway Traffic Safety in an Age of Limited Resources	Completed
NCHRP 20-07/Task 020	Vehicle Acceleration and Deceleration Characteristics	Completed
NCHRP 20-07/Task 021	Need for Pavement Markings on Low-Volume Roads	Completed
NCHRP 20-07/Task 022	Encasement of Pipelines Through Highway and Railroad Roadbeds	Completed
NCHRP 20-07/Task 023	Contracting Practices and Payment Procedures	Completed
NCHRP 20-07/Task 024	AASHTO Pavement Design Guide	Completed
NCHRP 20-07/Task 025	STRS Support Task	Completed
NCHRP 20-07/Task 026	Research and Development Needs in Construction Engineering Management	Completed
NCHRP 20-07/Task 027	Relationships Between Vehicle Configurations and Highway Design	Completed
NCHRP 20-07/Task 028	AASHTO Guide for Design of Pavement Structures - Training Program	Completed
NCHRP 20-07/Task 029	Pavement Roughness and Rideability - Field Evaluation	Completed
NCHRP 20-07/Task 030	Manual on Subsurface Investigations	Completed
NCHRP 20-07/Task 031	Development of Comprehensive Bridge Specifications and Commentary	Completed
NCHRP 20-07/Task 032	Design and Construction Specifications for Segmental Concrete Bridges	Completed
NCHRP 20-07/Task 033	AASHTO Evaluation of FHWA Research Program	Completed
NCHRP 20-07/Task 034	AASHTO/AWS Bridge Welding Code Commentary and Draft Fracture Control Plan	Completed
NCHRP 20-07/Task 035	Review of Traffic Signal Intensity Standards	Completed
NCHRP 20-07/Task 036	Assessment of Research on High Pressure Truck Tires - Pavement Performance Interaction	Completed
NCHRP 20-07/Task 037	Development of an Asphalt Paving Handbook	Completed
NCHRP 20-07/Task 038	AASHTO Guidelines for Pavement Management Systems	Completed
NCHRP 20-07/Task 039	Revision of AASHTO Pavement Overlay Design Procedures	Completed
NCHRP 20-07/Task 040	AASHTO Contribution to Support of the Highway Research Coordinating Council	Completed
NCHRP 20-07/Task 041	AASHTO Guide for Recruitment and Retention of Transportation Professionals	Completed
NCHRP 20-07/Task 042	Truck Size and Weight Research and Policy	Completed
NCHRP 20-07/Task 043	Revision of the AASHTO Policy on Geometric Design of Highways and Streets	Completed	Task cancelled
NCHRP 20-07/Task 044	Division 100 Revision of the AASHTO Guide Specifications for Highway Construction	Completed
NCHRP 20-07/Task 045	Revision to the AASHTO	Completed
NCHRP 20-07/Task 046	AASHTO Guidelines for Bridge Management Systems	Completed	Completed---Summarized in NCHRP Research Results Digest 186
NCHRP 20-07/Task 047	Support for the Joint Committee on Truck Size and Weight	Completed
NCHRP 20-07/Task 048	Development of a System for the Uniform Location of Subject Matter Within Standard Specifications	Completed
NCHRP 20-07/Task 049	Follow-up on USA Asphalt Study Tour of Europe	Completed
NCHRP 20-07/Task 050	White Paper on the Feasibility of Longer Combination Vehicles (LCV)	Completed
NCHRP 20-07/Task 051	Synthesis of the Impacts of Truck Size and Weight on the Transportation System and the Economy	Completed
NCHRP 20-07/Task 052	Support for the Joint Committee on Domestic Freight Policy	Completed
NCHRP 20-07/Task 053	Profilograph Limitations, Correlation, and Calibration for Effective Performance Based Specifications	Completed
NCHRP 20-07/Task 054	Impacts of Conversion to the Metric System	Completed
NCHRP 20-07/Task 055	Support for National Quality Initiatives	Completed
NCHRP 20-07/Task 056	Review of AASHTO	Completed
NCHRP 20-07/Task 057	Joint Task Force on Pavements' Workshop on SHRP LTPP Data and Analysis	Completed
NCHRP 20-07/Task 058	Information and Evaluation of Asphalt Rubber Research	Completed
NCHRP 20-07/Task 059	Transportation Investment and Economic Expansion: Case Studies	Completed
NCHRP 20-07/Task 060	Support for Implementing the Clean Air Act Amendments of 1990	Completed
NCHRP 20-07/Task 061	Assessment of AASHTO Needs for Metric Conversions & Design of Metrication Clearinghouse	Completed
NCHRP 20-07/Task 062	Rewrite of AASHTO Construction Guide Specifications into Imperative Mood and Metric	Completed
NCHRP 20-07/Task 063	Development of a Manual for State Transportation Research	Completed
NCHRP 20-07/Task 064	Review and Update of the AASHTO Guide for Bridge Maintenance Management, the AASHTO Manual for Bridge Maintenance, and the AASHTO Maintenance Manual	Completed	Completed
NCHRP 20-07/Task 065	Recommended Practices for Sampling, Handling, and Testing of Pavement Samples	Completed
NCHRP 20-07/Task 066	Development and Training of Pavement Engineering Personnel	Completed	Completed
NCHRP 20-07/Task 067	AASHTO Publications in CD-ROM Format	Completed	Completed
NCHRP 20-07/Task 068	Polyethylene Pipe Specifications	Completed
NCHRP 20-07/Task 069	Recommended Revisions to Construction Specifications for Highway Bridges	Completed	Completed
NCHRP 20-07/Task 070	Developing Commentary for the ANSI / AASHTO / AWS D1.5-95 Bridge Welding Code Including the Fracture Control Plan	Completed	Completed
NCHRP 20-07/Task 071	Co-Sponsorship of Winter Maintenance Program	Completed	Completed
NCHRP 20-07/Task 072	Materials Characterization for Input to AASHTO Guide for Design of Pavement Structures	Completed
NCHRP 20-07/Task 073	High Strength Metric Fasteners for Bridge Applications	Completed	Task cancelled
NCHRP 20-07/Task 074	Manual for Scientific Inquiry into Transportation Problems: Research Methodologies	Completed
NCHRP 20-07/Task 075	Geometric and Roadside Safety for Very Low Volume Roads	Completed	Completed
NCHRP 20-07/Task 076	Installation of Fiber Optic Facilities on Highway and Freeway Rights of Way	Completed
NCHRP 20-07/Task 077	Improved Pavement Design Workshop	Completed
NCHRP 20-07/Task 078	Developing a Measurement System for the AASHTO/TRAC Program	Completed	Completed
NCHRP 20-07/Task 079	Incorporating Canadian Projects into TRIS	Completed	Completed
NCHRP 20-07/Task 080	Information Clearinghouse for Continuous Quality Improvement	Completed	Completed
NCHRP 20-07/Task 081	Effect of Headlamp Design on Retroreflective Signs and Pedestrian Safety	Completed	Completed
NCHRP 20-07/Task 082	Enhancement to the Special Products Evaluation List	Completed
NCHRP 20-07/Task 083	Guide for Snow and Ice Control	Completed	Completed
NCHRP 20-07/Task 084	Developing a Model for Effective Transfer of Innovative Technologies	Completed
NCHRP 20-07/Task 085	Report on Forum on Economic Returns of Transportation Investments	Completed
NCHRP 20-07/Task 086	Potential Credit Reform: Accessing Unobligated Highway Trust Fund Balances	Completed	Completed
NCHRP 20-07/Task 087	Investigate the Need for Research on the Performance of Portland Cement Concrete	Completed	Completed
NCHRP 20-07/Task 088	LRFD Specifications for Retaining Walls	Completed	Completed
NCHRP 20-07/Task 089	LRFD Specifications for Plastic Pipe and Culverts	Completed	Completed---Published as NCHRP Report 438
NCHRP 20-07/Task 090	The Next Generation of TRAC PAC - A Hands-On Educational Program	Completed	Completed
NCHRP 20-07/Task 091	Transportation Implications of Proposed Changes to the National Ambient Air Quality Standards	Final	Completed
NCHRP 20-07/Task 092	Durability of Precast Segmental Bridges	Completed
NCHRP 20-07/Task 093	AASHTO Subcommittee Process Evaluation	Completed
NCHRP 20-07/Task 094	Mitigating Nighttime Construction Noise, Vibrations, and Other Nuisances	Completed
NCHRP 20-07/Task 095	Support for the AASHTO 350 Task Force	Completed
NCHRP 20-07/Task 096	Techniques for Acquiring ITS Software	Completed	Completed
NCHRP 20-07/Task 097	Bridge Performance Measures	Completed	Completed
NCHRP 20-07/Task 098	Shear Design Methodology for Prestressed Concrete	Completed
NCHRP 20-07/Task 099	LRFD Design Criteria for Cotton Duck Pad (CDP) Bridge Bearings	Completed	Completed
NCHRP 20-07/Task 100	Safety Appraisal of Suspension Bridge Main Cables	Completed	Completed
NCHRP 20-07/Task 101	Lead States Web Site	Completed
NCHRP 20-07/Task 102	Project-Development Policies and Practices	Completed	Completed
NCHRP 20-07/Task 103	Development of AASHTO Committee Web Sites	Completed	Completed
NCHRP 20-07/Task 104	Support for the Year 2000 National Conference on Pavements	Completed	Completed
NCHRP 20-07/Task 105	Planning, Design, and Operation of Pedestrian Facilities	Completed	Completed
NCHRP 20-07/Task 106	Thermal Movement Design Procedure for Concrete	Completed	Completed
NCHRP 20-07/Task 107	Shear Design Guidelines for Skewed Multi-Beam Bridges	Completed	Completed
NCHRP 20-07/Task 108	Geometric Design Policy for Very Low-Volume Local Roads (<400 ADT)	Completed	Completed
NCHRP 20-07/Task 108A	Geometric Design Policy for Very Low-Volume Local Roads (<400 ADT)	Final	Completed
NCHRP 20-07/Task 109	Improved Contracting Methods for Highway Construction Projects	Completed	Completed
NCHRP 20-07/Task 110	Support AASHTO Participation in Forum on Transportation Investments and Economic Growth	Completed	Completed
NCHRP 20-07/Task 111	Support for the AASHTO Task Group on Retroreflectivity Standards	Completed
NCHRP 20-07/Task 112	Geosynthetic Reinforcement in Roadway Sections	Completed	Completed
NCHRP 20-07/Task 113	Corrosion of Metals Above the Ground Surface: Transportation Related Issues	Completed	Completed
NCHRP 20-07/Task 114	Context Sensitive Design for Integrating Highway and Street Projects with Communities and the Environment	Completed	Completed
NCHRP 20-07/Task 115	Effective Practices in Consultant Usage by State Departments of Transportation	Completed	Completed---Report provided to AASHTO for distribution
NCHRP 20-07/Task 116	User's Guide for Evaluating Sign Retroreflectivity	Completed	Completed
NCHRP 20-07/Task 117	Benefit/Cost Study of RWIS and Anti-icing Technologies	Completed	Completed
NCHRP 20-07/Task 118	A Supplemental Guideline for Highway Design to Accommodate Older Drivers and Pedestrians	Completed	Completed
NCHRP 20-07/Task 119	Environmental Best Practices Competition	Completed
NCHRP 20-07/Task 120	Asset Management	Completed	Completed
NCHRP 20-07/Task 121	Strategic Plan for Bridge Engineering Research	Completed
NCHRP 20-07/Task 122	Load Rating by Load and Resistance Factor Evaluation Method	Completed	Completed
NCHRP 20-07/Task 123	Production of a U.S. Customary System of Units Version of the Year 2000 Highway Capacity Manual	Completed	Funds shifted to Project 03-55(06) contract
NCHRP 20-07/Task 124	Cost/Benefits of Constructability Reviews	Completed	Completed
NCHRP 20-07/Task 125	Summary of Research Peer Exchange Findings and Recommendations	Completed	Completed
NCHRP 20-07/Task 126	Production of the Year 2000 AASHTO Policy on Geometric Design of Highways and Streets	Completed	Completed
NCHRP 20-07/Task 127	A Strategic Plan (Road Map) for Pavement Research	Completed	Completed---Summarized in NCHRP Research Results Digest 276
NCHRP 20-07/Task 128	Partnerships in Highway Development and Design for Shaping and Enhancing Communities	Completed	Completed
NCHRP 20-07/Task 129	Synthesis of Project Delivery Times	Completed	Completed
NCHRP 20-07/Task 130	Development of a Detailed Test Procedure by FTIR Identification for Structural Steel Coatings	Completed
NCHRP 20-07/Task 131	AASHTO Internet Applications Infrastructure	Completed
NCHRP 20-07/Task 131A	AASHTO Model Committee Web Site	Completed	Completed
NCHRP 20-07/Task 131C	AASHTO Transportation Web Portal Concepts	Completed	Completed
NCHRP 20-07/Task 132	Final Review and Acceptance of LRFD Specification for Walls	Completed	Completed
NCHRP 20-07/Task 133	Improved Live Load Deflection Criteria for Steel Bridges	Completed	Completed
NCHRP 20-07/Task 134	Asset Management Education and Communication Materials	Completed	Completed as 20-24(11)
NCHRP 20-07/Task 135	Geometric Design Guide for Transit Facilities on Highways and Streets - Phase I	Final
NCHRP 20-07/Task 136	Support for SCOH Task Force on Forest Development Roads	Completed
NCHRP 20-07/Task 137	Synthesis of R&T Partnership Working Group Reports	Completed	Completed
NCHRP 20-07/Task 138	Recommended Procedures for the Testing of Rock-Fall Barriers	Completed	Completed
NCHRP 20-07/Task 139	Application of European 2+1 Roadway Designs	Completed	Completed---Summarized in NCHRP Research Results Digest 275
NCHRP 20-07/Task 140	TEA-21 Stewardship Report	Completed	Research in progress
NCHRP 20-07/Task 141	Conformity Problems Caused by the Mismatch in SIP/Transportation Plan Timeframe	Final
NCHRP 20-07/Task 142	Scoping Study for a National Strategic Plan for Managing Transportation Information	Completed	Completed
NCHRP 20-07/Task 143	Synthesis of Practice: AASHTO's National Transportation Product Evaluation Program (NTPEP)	Completed	Completed
NCHRP 20-07/Task 144	Delegations of Authority to Expedite Environmental Streamlining	Completed	Completed
NCHRP 20-07/Task 145	Update of the AASHTO Guide for Transportation Landscape and Environmental Design	Completed	Cancelled
NCHRP 20-07/Task 146	Development of a Standard Protocol for Evaluating Hydrologic and Hydraulic Engineering Software Models	Completed	Research in progress
NCHRP 20-07/Task 147	Update of the Design Guidelines for the Control of Blowing and Drifting Snow	Completed	Research in progress
NCHRP 20-07/Task 148	Evaluation of Potential Impacts on the State DOTs of the US Access Board's Recommendations on Public Rights-of-Way	Completed	Completed
NCHRP 20-07/Task 149	Evaluation of 3D Computer Modeling and Electronic Information Transfer for Efficient Design and Construction of Steel Bridges	Completed	Research in progress
NCHRP 20-07/Task 150	Electronic NTPEP Report: A First Generation Query-Based Program to Aid in the Assessment of Pavement Markings and Sign Sheeting Materials	Completed	Completed
NCHRP 20-07/Task 151A	Transportation Security: Highway Emergency Response Handbook	Completed	Research in progress
NCHRP 20-07/Task 151B	Transportation Security: Highway Vulnerability Assessment Guide	Completed	Completed
NCHRP 20-07/Task 151C	Transportation Security: Sharing Information & Task Force Support	Completed	Research in progress
NCHRP 20-07/Task 152	Project Cost Estimating A Synthesis of Highway Practice	Completed	Completed
NCHRP 20-07/Task 153	Update of the AASHTO Transportation Glossary	Completed	Completed
NCHRP 20-07/Task 154	Update of the HOV and Park-and-Ride Facilities Design Guides	Completed	Completed
NCHRP 20-07/Task 155	Signing Standards for Two-Lane Exit Ramps with an	Completed	Research in progress
NCHRP 20-07/Task 156	Finalize Two Design Examples for AASHTO Guide Specifications for Horizontally Curved Steel Highway Bridges	Completed
NCHRP 20-07/Task 157	Materials Information Management System Software Review	Completed	Completed
NCHRP 20-07/Task 158	Survey of State DOT Practice: Outsourcing and Private Sector Utilization	Completed	Completed
NCHRP 20-07/Task 159	Privatization and Commercial Use of Public Rights-of-Way	Completed	Completed
NCHRP 20-07/Task 160	Two-Lane Road Analysis Methodology in the Highway Capacity Manual	Completed	Completed
NCHRP 20-07/Task 161	Revision of the Draft AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities	Completed	Completed
NCHRP 20-07/Task 162	Guidelines for the Correlation of Test Results from Bench-Scale and Large-Scale Testing on Rolled Erosion Control Products (RECP)	Completed	Completed
NCHRP 20-07/Task 163	Innovative Practices in Workforce Development for State Departments of Transportation	Completed	Terminated
NCHRP 20-07/Task 163A	Innovative Practices in Workforce Development for State Departments of Transportation	Completed	Research in progress
NCHRP 20-07/Task 164	Revision of AASHTO R9-97	Completed	Completed
NCHRP 20-07/Task 165	A Policy Synthesis on the Economic Benefits of NTPEP	Completed	Completed
NCHRP 20-07/Task 166	Acceleration of Environmental Stewardship Best Practices for Maintenance and Construction	Completed
NCHRP 20-07/Task 167	Development of Recommended Revisions to Draft ADA Guidelines for Accessible Rights-of-Way	Completed	Completed
NCHRP 20-07/Task 168	Determination of Appropriate Railing Heights for Bicyclists	Completed	Completed
NCHRP 20-07/Task 169	Resolution of Comments submitted on the Draft AASHTO Guide for Context Sensitive Design	Completed	Completed
NCHRP 20-07/Task 169B	Resolution of Comments submitted on the Draft AASHTO Guide for Context Sensitive Design: Liability Chapter	Completed	Completed
NCHRP 20-07/Task 170	Review and Revision of the AASHTO Maintenance Manual for Roadways and Bridges	Completed	Completed
NCHRP 20-07/Task 171	Identification of Conflicts with AASHTO Publications Related to Clear Zone	Completed	Completed
NCHRP 20-07/Task 172	Recommended AASHTO Design-Build Procurement Guide	Completed	Completed
NCHRP 20-07/Task 173	Measuring and Communicating the Effects of Incident Management Improvements	Completed	Completed
NCHRP 20-07/Task 174	Use of Positive Protection in Work Zones	Completed	Completed
NCHRP 20-07/Task 176	Update of Exhibits for the AASHTO Green Book	Completed
NCHRP 20-07/Task 177	Synthesis of Maintenance and Durability Information for Detectable Warnings on Sidewalks	Completed	Completed
NCHRP 20-07/Task 178	Evaluation and Update of NCHRP Project 24-08,	Completed	Completed
NCHRP 20-07/Task 179	Development of Operating Procedures for the Standing Committee on Highways	Completed	Completed
NCHRP 20-07/Task 180	Summary of International Practice on Bridge Girder and Deck Strengthening with Fiber Reinforced Polymer (FRP) Composites	Completed
NCHRP 20-07/Task 181	Multi-State Transportation Operations Program: Status & Critical Issues	Completed	Completed
NCHRP 20-07/Task 182	Evaluation of Highway Innovative Technology Evaluation Center (HITEC)	Completed	Research in progress
NCHRP 20-07/Task 183	LRFD Foundation Design Implementation and Specification Development	Completed	Completed
NCHRP 20-07/Task 184	Development of a Pavement Preservation Synthesis, Research Plans, and Initiatives	Completed	Research in progress
NCHRP 20-07/Task 185	Implementation of Flashing Yellow Arrow Display for Protected/Permissive Left Turn Control	Completed
NCHRP 20-07/Task 186	Updating the Calibration Report for the AASHTO LRFD Code	Completed	Completed
NCHRP 20-07/Task 187	Updating the AASHTO Guide for the Development of Bicycle Facilities	Completed	Research in progress
NCHRP 20-07/Task 188	Mainstreaming Operations in State DOTs	Completed	Completed
NCHRP 20-07/Task 189	Advancing Strategic Highway Safety Plans: Safety Leadership Forum II	Completed	Completed
NCHRP 20-07/Task 190	Develop Strategy for the Testing and Evaluation of Durable Striping Materials for High Traffic Areas and Mountain Passes	Completed	Completed
NCHRP 20-07/Task 191	Product Evaluation and Plant Certification of HDPE Pipe	Completed
NCHRP 20-07/Task 192	Update of Barrier Hardware Guide	Completed	Completed
NCHRP 20-07/Task 193	LRFD Guidelines for the Seismic Design of Highway Bridges, Version 2	Completed	Completed
NCHRP 20-07/Task 194	Consistency of Titles for AASHTO Publications	Completed	Completed
NCHRP 20-07/Task 195	Development and Performance of Web Based Joint Salary Survey	Completed	The web-based survey has been developed and submitted to AASHTO for implementation.
NCHRP 20-07/Task 196	Development of a Guide to Crashworthy Bridge Rail Systems	Completed	Completed
NCHRP 20-07/Task 197	Development of a Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic Marking	Completed	Work will be accomplished under Project 20-07 Task 243.
NCHRP 20-07/Task 198	Standard Practice for Independent Assurance Programs	Completed	Completed
NCHRP 20-07/Task 199	Update of the Strategic Plan for Bridge Engineering	Completed	Completed
NCHRP 20-07/Task 200	Synthesis of Vehicle Based Winter Maintenance Technologies	Completed	Completed
NCHRP 20-07/Task 201	Use of Warranties in Highway Construction	Completed
NCHRP 20-07/Task 202	Guide to Benchmarking Operations Performance Measures	Completed
NCHRP 20-07/Task 203	Update of AASHTO Maintenance Manual to Include Systems Operations and Management	Completed	Completed
NCHRP 20-07/Task 204	Pavement Noise Intensity Testing in Europe for Comparison to the United States	Completed	Cancelled
NCHRP 20-07/Task 205	Project Delivery Workforce Management Review	Completed
NCHRP 20-07/Task 206	A Model Guide for Condition Assessment Systems	Completed
NCHRP 20-07/Task 207	Update of the AASHTO Guide Specifications for Highway Construction	Final	Completed, See 20-07/Task 220
NCHRP 20-07/Task 208	Update of Recommendations on Crest Vertical Curves	Completed
NCHRP 20-07/Task 209	Incorporation of Research Findings into AASHTO's Standard Specifications for Structural Supports for Highway Signs, Luminaries and Traffic Signals	Completed	Completed
NCHRP 20-07/Task 210	Guidelines for the Selection of Cable Barrier Systems	Completed
NCHRP 20-07/Task 211	Scoping study for an AASHTO Guide on Accelerating Project Delivery	Completed	Completed
NCHRP 20-07/Task 212	Development of a Model Drivers License Handbook	Completed
NCHRP 20-07/Task 213	Requirements for Minimum Maintained Retroreflectivity of Pavement Marking	Completed
NCHRP 20-07/Task 214	Update of A Guide to Small Sign Support Hardware	Completed
NCHRP 20-07/Task 215	Statewide Incident Reporting Systems	Completed
NCHRP 20-07/Task 216	Application of LRFD Bridge Design Specifications to High-Strength Structural Concrete: Final Project – Phase I	Completed	Completed
NCHRP 20-07/Task 217	Verification and Implementation of Strut-and-Tie Model in LRFD Bridge Design Specifications	Completed	Completed
NCHRP 20-07/Task 218	Performance-Based Maintenance Contracting	Final	Cancelled, refer to NCHRP Synthesis 389, Performance-Based Contracting for Maintenance
NCHRP 20-07/Task 219	Testing American Traffic Marking Systems on the Spanish (AETEC) Traffic Marking Wear Simulator	Completed
NCHRP 20-07/Task 220	Update of the AASHTO Guide Specifications for Highway Construction	Completed
NCHRP 20-07/Task 221	Traffic Incident Management + Program for Worker Safety	Completed
NCHRP 20-07/Task 222	Evaluation of the Field Implementation of the Flashing Yellow Arrow Permissive Left-Turn Indication	Completed
NCHRP 20-07/Task 223	Update Business Needs for Pavement Engineering	Completed
NCHRP 20-07/Task 224	Update of the AASHTO Guide for Contracting, Selecting, and Managing Consultants in Preconstruction Engineering	Completed
NCHRP 20-07/Task 225	Best Practices in the Management of Design Errors and Omissions	Completed
NCHRP 20-07/Task 226	Review and Update of Human Factors and Operations Issues in the AASHTO Green Book	Completed
NCHRP 20-07/Task 227	Technology Transfer Guidebooks for Implementation of Innovative Technologies	Completed
NCHRP 20-07/Task 228	Update the United States Numbered Highways (1989 Edition) and Document Current U.S. Routes	Completed	The revised final products have been accepted and provided to AASHTO.
NCHRP 20-07/Task 229	Bridge Construction Practices Using Incremental Launching	Completed
NCHRP 20-07/Task 230	Safety and Security in Roadway Tunnels	Completed
NCHRP 20-07/Task 231	Laboratory Testing of Proposed Roundabout Traffic Control Options	Completed
NCHRP 20-07/Task 232	Development of a Guide to Update ADA Transition Plans	Completed
NCHRP 20-07/Task 233	Development of a Toolkit to Assist State DOTs and Contractors in Uniformly Handling DBE requirements	Completed	The project is completed and the final products delivered to AASHTO.
NCHRP 20-07/Task 234	Guidelines for Selection of Bridge Deck Overlays, Sealers, and Treatments	Completed
NCHRP 20-07/Task 235	Development of Testing Protocols for Surface Applied Concrete Sealers Treatments	Completed
NCHRP 20-07/Task 236	Modification and Stabilization of Soils and Base for Use in Pavement Structures	Completed	The project final report is available as NCHRP Web Only Documents 144 and 145.
NCHRP 20-07/Task 237	Incorporation of Lane Management and Toll Plaza Design Issues in the AASHTO Green Book	Final
NCHRP 20-07/Task 238	Conceptual Development of an AASHTO Guide to Systems Operations and Management	Completed
NCHRP 20-07/Task 239	Identification and Delineation of Incident Management and Multi-Agency Emergency Response Functions	Final	Combined with another NCHRP Project
NCHRP 20-07/Task 240	Update of AASHTO Roadside Design Guide	Completed
NCHRP 20-07/Task 241	Capacity Creation Through Innovative Design	Final	Cancelled
NCHRP 20-07/Task 242	Cost Analysis of Rehabilitation/Reconstruction of the Nation's Highway Infrastructure	Final
NCHRP 20-07/Task 243	Development of a Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic Markings	Completed	The project final report has been published as NCHRP Research Results Digest 346 and NCHRP Web-Only Document 156.
NCHRP 20-07/Task 244	Modifications for AASHTO LRFD Bridge Design Specifications to Incorporate or Update the Guide Specifications for Design of Pedestrian Bridges	Final
NCHRP 20-07/Task 245	Updating AASHTO Design and Construction Specifications ffor Temporary Works used in Bridge Construction	Completed	The final report has been provided to AASHTO.
NCHRP 20-07/Task 246	Replacement Process for LED (Light Emitting Diode) Traffic Signals	Completed	Published
NCHRP 20-07/Task 247	Outdoor Advertising Sign Regulation Study	Completed	Completed final report submitted to AASHTO
NCHRP 20-07/Task 248	Guidelines for Utility Encasement Policy for Highway Crossings	Completed	Completed final report submitted to AASHTO
NCHRP 20-07/Task 249	Asset Management Approaches to ADA Compliance	Completed
NCHRP 20-07/Task 250	Update AASHTO ''Guide for Snow and Ice Control''	Completed
NCHRP 20-07/Task 251	Consideration of Pavement Preservation in the AASHTO Mechanistic-Empirical Pavement Design Guide	Completed
NCHRP 20-07/Task 252	Guidelines for Implementing Quality Control and Quality Assurance for Bridge Inspection	Final
NCHRP 20-07/Task 253	Subcommittee on Systems Operations and Management Strategic Plan Update	Completed
NCHRP 20-07/Task 254	Vehicle Size and Weight Management (VSW) Technology Transfer/Best Practices	Final
NCHRP 20-07/Task 255	Development of a Test Method To Determine the Ability of Adhesive Anchors To Resist Sustained Tensile Load	Completed	The project final report is available as NCHRP Report 639.
NCHRP 20-07/Task 256	Safety Impacts of the Emerging Digital Display Technology for Outdoor Advertising Signs	Completed
NCHRP 20-07/Task 257	Crash Tested Precast Concrete Barrier Designs and Anchoring Methods	Completed
NCHRP 20-07/Task 258	Identification of Cross-Cutting Issues Related to the Development, Management, and Delivery of Transportation Projects and Programs	Final	The final report has been submitted to AASHTO.
NCHRP 20-07/Task 259	Assessment of State-of-the-Practice for Identifying Earth Retaining Structure (ERS)	Final
NCHRP 20-07/Task 260	Development of Guidelines for Conducting Effective Customer Surveys Related to Highway Maintenance Operations	Completed	The project has been completed and the final report submitted to AASHTO
NCHRP 20-07/Task 261	Best Practices for Implementing Quality Control and Quality Assurance for Tunnel Inspection	Final
NCHRP 20-07/Task 262	Review and Update of the AASHTO Guide Specifications for Seismic Isolation Design	Final
NCHRP 20-07/Task 263	Update of the AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities	Completed	The final report has been accepted and forwarded to AASHTO.
NCHRP 20-07/Task 264	Guidance for Design and Selection of Pipes	Completed	Completed final report submitted to AASHTO.
NCHRP 20-07/Task 265	Electronic Publications Delivery System: AASHTO’s Next Step	Completed	The project has been completed and the final report submitted to AASHTO
NCHRP 20-07/Task 266	Development of an Alternative Calibration Method for AASHTO T 153	Completed
NCHRP 20-07/Task 267	Potential for Saving Lives with Various Countermeasures to Meet AASHTO’s New Safety Goal	Completed
NCHRP 20-07/Task 268	SCOM Strategic Planning Workshop	Completed
NCHRP 20-07/Task 269	Feasibility of Using Incentives to Facilitate Utility Relocations	Completed	Completed final report submitted to AASHTO
NCHRP 20-07/Task 270	Application of AASHTO LRFD Specifications to Design of Sound Barriers	Final
NCHRP 20-07/Task 271	Graphical Traffic Signal Design Aid Based on the MUTCD	Completed
NCHRP 20-07/Task 272	Rheological Characterization of Flow Table Reference Material	Completed
NCHRP 20-07/Task 273	Update of the AASHTO Policy on Geometric Design of Highways and Streets (Green Book)	Completed
NCHRP 20-07/Task 274	Price Indexing in Transportation Construction Contracts	Completed
NCHRP 20-07/Task 275	SCOH Strategic Plan Support	Completed	Completed
NCHRP 20-07/Task 276	Development of Guidelines for Rehabilitation of Existing highway and Rail Transit Tunnels	Final
NCHRP 20-07/Task 277	Update to AASHTO 'Pavement Management Guide'	Completed
NCHRP 20-07/Task 278	Production of the new AASHTO Guide to Estimating	Completed
NCHRP 20-07/Task 279	Development of a Work Plan for the 2nd Edition of the Highway Safety Manual	Completed
NCHRP 20-07/Task 280	AASHTO MATERIALS “C” SPECIFICATIONS	Completed	AASHTO HSCOM has received the project deliverables.
NCHRP 20-07/Task 281	Strategic Plan for the Development and Maintenance of AASHTO Standards by AASHTO Member Departments	Completed
NCHRP 20-07/Task 282	Research Needs Assessment for Roadside Workers and Vehicle Safety	Completed
NCHRP 20-07/Task 283	Evaluation of the Flashing Yellow Arrow (FYA) Permissive Left Turn in Shared Yellow Signal Sections	Final
NCHRP 20-07/Task 284	Establish Test Methods for 100-Year Service Life for HDPE Thermoplastic Pipe in the AASHTO LRFD Bridge Design Specifications	Final	Canceled. Related research conducted under NCHRP Project 10-86
NCHRP 20-07/Task 285	Recalibration of the LRFR Load Factors in the AASHTO Manual for Bridge Evaluation	Final
NCHRP 20-07/Task 286	Finalization of a new AASHTO Drainage Manual - Volume 1, Policy; Volume 2, Procedures	Completed	Completed final report submitted to AASHTO for publishing.
NCHRP 20-07/Task 287	Roadmap for Winter Maintenance Research	Completed
NCHRP 20-07/Task 288	National Calibration of MEPDG Rigid Pavement Models Based on Corrected CTE Values	Completed
NCHRP 20-07/Task 289	Comparative Performance Evaluation of Pavement Marking Materials at the NTPEP Test Facility	Completed
NCHRP 20-07/Task 290	Highway Safety Training Synthesis/Roadmap	Completed
NCHRP 20-07/Task 291	Transportation Operations Research Communications, Awareness Needs Assessment & Implementation Plan for State DOTs	Final
NCHRP 20-07/Task 292	SCOH Strategic Plan: Completion, implementation planning, and governance	Completed
NCHRP 20-07/Task 294	Continuation of Funding of 20-07 Task 245 - Update Bridge Temporary Works	Final
NCHRP 20-07/Task 295	Survey of Existing XML Schemas for Incorporation into TransXML	Completed
NCHRP 20-07/Task 296	Alignment of the Draft AASHTO Transit Guide with the AASHTO Green Book	Final
NCHRP 20-07/Task 297	Analysis of usRAP	Completed
NCHRP 20-07/Task 298	Operations Center of Excellence	Final
NCHRP 20-07/Task 299	Resolution of Comments on the Draft AASHTO Bike Guide	Completed	The final report has been provided to AASHTO for final balloting.
NCHRP 20-07/Task 300	Methods for Estimating the Benefits for Winter Maintenance Operations	Completed
NCHRP 20-07/Task 301	Measuring Cement Particle Size and Surface Area by Laser Diffraction	Completed	The project final report is available as NCHRP Research Results Digest 382.
NCHRP 20-07/Task 302	Value Analysis for Linear Referencing Systems	Final	Final report submitted to AASHTO TIG
NCHRP 20-07/Task 303	Synthesis of Truck Size and Weight Research	Final
NCHRP 20-07/Task 304	AASHTO Publications - Future Road Map	Final	The project is canceled
NCHRP 20-07/Task 305	Analysis of New Highway Lighting Technologies	Final
NCHRP 20-07/Task 306	Revision of Strut-and-Tie Provisions in the AASHTO LRFD Bridge Design Specifications	Final
NCHRP 20-07/Task 307	Updated Research for Collision Damage and Repair of Prestessed Concrete Beams	Final
NCHRP 20-07/Task 308	Completion of the new AASHTO A Practical Guide to Estimating, Part 2	Final	NCHRP Proejct 20-07/Task 278 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 309	Challenges and Opportunities: A Strategic Plan for Equipment Management Research	Completed
NCHRP 20-07/Task 310	Determination of Current Levels of Retroreflectance Attained and Maintained by the State Departments of Transportation	Completed
NCHRP 20-07/Task 311	Development of a Warm Mix Asphalt Technology Evaluation Program	Completed
NCHRP 20-07/Task 312	Successful Practices for Automating Utility Permits	Final
NCHRP 20-07/Task 313	Safety Checklists and Design Guidelines for Evaluation of Outdoor Advertising Signs and Permit Locations by Departments of Transportation (DOTs)	Final	The project is canceled
NCHRP 20-07/Task 314	Recommended Protocol for Developing Crash Modification Factors	Completed
NCHRP 20-07/Task 315	Transportation Asset Management for Ancillary Structures	Completed
NCHRP 20-07/Task 316	Establishment of Appropriate Guidelines for Use of the Direct and Indirect Design Methods for Reinforced Concrete Pipe	Final
NCHRP 20-07/Task 317	Update of AASHTO Publication MEPDG-1	Completed
NCHRP 20-07/Task 318	Revised Chapter 8, Winter Maintenance Operations and Salt, Sand, and Chemical Management, of the Final Report on NCHRP Project 25-25(04)	Completed
NCHRP 20-07/Task 319	Evaluating Applicability of the Dual-Ring Test Procedure for Assessing the Cracking Tendency of Repair Materials	Completed
NCHRP 20-07/Task 320	Advanced GIS Visualization Techniques for Geospatial Business Intelligence and Information Integration	Final
NCHRP 20-07/Task 321	Developing a Framework for Emergency Responder/Roadside Worker Struck-by/Near-miss Database	Completed
NCHRP 20-07/Task 322	State of Readiness of the Dedicated Short Range Communications (DSRC) Spectrum for Early deployment of Connected Vehicle Transportation Systems	Final	Combined with another NCHRP Project 03-101
NCHRP 20-07/Task 323	Developing a Long-Range Strategic Plan for the MUTCD	Final
NCHRP 20-07/Task 324	NCHRP's Role in Maintaining AASHTO Guidelines and Specifications	Completed	Recommendations provided to AASHTO SCOR and SCOH
NCHRP 20-07/Task 325	Updating the AASHTO LRFD Wind Loads Provisions	Final
NCHRP 20-07/Task 326	Review and Update of the AASHTO Movable Bridge Inspection, Evaluation and Maintenance Manual, 1st Edition - Scoping Study	Final	Project is canceled, and the allocated funds will supplement NCHRP Project 14-32
NCHRP 20-07/Task 327	Developing Recalibrated Concrete Pavement Performance Models for the Mechanistic-Empirical Pavement Design	Completed
NCHRP 20-07/Task 328	Update of the 1995 AASHTO/AGC/ARTBA ‘A Guide to Standardized Highway Barrier Hardware’ (1995 Guide)	Completed	Final report submitted to AASHTO SCOE
NCHRP 20-07/Task 329	Alternative Delivery Methods for Winter Operations	Completed
NCHRP 20-07/Task 330	Waterproofing of Bridge Decks Using Pavement Preservation Products	Anticipated	Project cancelled.
NCHRP 20-07/Task 331	Report On the Methods and Standards to Measure the Permeability of Concrete	Completed
NCHRP 20-07/Task 332	User’s Guide to Develop Highway Safety Manual Safety Performance Function Calibration Factors	Completed
NCHRP 20-07/Task 333	Comparing the Corrosion Protection of Hot Dip Versus Continuously Galvanized W-Beam Guardrail Sections	Completed
NCHRP 20-07/Task 334	Primer on the Joint Use of the HSM and HFG	Final
NCHRP 20-07/Task 335	Updating the Strategic Plan for the AASHTO Highway Subcommittee on Bridges and Structures	Final
NCHRP 20-07/Task 336	Emergency Exit Signs Within Highway Tunnels	Final	Project is canceled, and the allocated funds will supplement NCHRP Project 20-59 (47)
NCHRP 20-07/Task 337	Proposed AASHTO Guidelines for Complex Bridge Inspection	Final
NCHRP 20-07/Task 338	Hydrology for Water Quality Analysis and Design	Completed
NCHRP 20-07/Task 339	Best Practices for Cracking Sealing and Crack Filling of Asphalt Pavements	Completed
NCHRP 20-07/Task 340	National Training: Challenges and Opportunities	Completed
NCHRP 20-07/Task 341	Guidelines for the Development HSM Part C Predictive Methods Chapters	Final	NCHRP Project 17-71 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 342	Wind Turbulence-Structure Interaction and Aeroelastic Instability for Long-Span Flexible Girder Systems	Final	NCHRP Project 20-07/Task 325 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 343	An Update to AASHTO’s Guidelines for Geometric Design of Very Low-Volume Local Roads	Final	NCHRP Proejct 15-47 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 344	Practical Cost Estimating: Development of Training	Final
NCHRP 20-07/Task 345	Planning for Transportation System Management & Operations	Final
NCHRP 20-07/Task 346	Completion of the Update to the AASHTO Guide for Transportation Landscape and Environmental Design	Final
NCHRP 20-07/Task 347	Test Methods of Watertightness of Culvert Joints	Final
NCHRP 20-07/Task 348	Review of the AASHTO LRFD Movable Highway Bridge Design Specifications for future updates	Final
NCHRP 20-07/Task 349	Guidelines for Developing Materials Acceptance Plans for Alternative Contracting Methods	Completed
NCHRP 20-07/Task 350	U.S. Bicycle Route Guide Signing	Final
NCHRP 20-07/Task 351	Update to AASHTO’s Visualization in Transportation: A Guide for Transportation Agencies	Final	Completed.
NCHRP 20-07/Task 352	Next Generation AASHTO Transportation System Management & Operations Strategic Direction	Final
NCHRP 20-07/Task 353	Development of a Strategic Research Plan for SCOHTS	Final
NCHRP 20-07/Task 354	Work Zone Speed Limits and Crash Data Practices	Final
NCHRP 20-07/Task 355	Guidelines for Reliable Fit-Up of Steel I-Girder Bridges	Final
NCHRP 20-07/Task 356	Strategic Plan for Prioritization and Selection of Research Proposals for Hydrology and Hydraulics	Final
NCHRP 20-07/Task 357	Guidelines for Collecting, Processing, and Managing Roadway Asset Inventory Data	Completed
NCHRP 20-07/Task 358	Reducing Risks to Worker Safety in Work Zones Due to Distracted Drivers	Final
NCHRP 20-07/Task 359	Next Generation National Transportation System Management & Operations (TSM&O) Research Framework	Final
NCHRP 20-07/Task 360	Development of a Strategic Plan for the Technical Committee on Roadside Safety (TCRS)	Final
NCHRP 20-07/Task 361	Hamburg Wheel-Track Test Equipment Requirements and Improvements to AASHTO T 324	Completed
NCHRP 20-07/Task 362	Quantifying the Costs and Benefits of Partnering on Projects Delivered Using Traditional and Alternative Contracting Methods	Final
NCHRP 20-07/Task 363	Guidelines for Emergency Ventilation Smoke Control in Roadway Tunnels	Final
NCHRP 20-07/Task 364	Revision of AASHTO PP-74 Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic Markings	Completed
NCHRP 20-07/Task 365	Strategic Transportation Systems Management & Operations Program Planning Lead States Initiative Development & Evaluation	Completed
NCHRP 20-07/Task 366	Accessing Information about Transportation Systems Management and Operations Performance Measurement	Final
NCHRP 20-07/Task 367	Analysis of Crash Contributing Factors to Determine Appropriate Countermeasures	Anticipated
NCHRP 20-07/Task 368	Development of a Roadmap for Use of SHRP2 Safety Data to Enhance Existing Publications	Final
NCHRP 20-07/Task 369	Update of SCOH Strategic Plan	Final	The project is canceled
NCHRP 20-07/Task 370	Development of a Strategic Plan for the Subcommittee on Traffic Engineering (SCOTE)	Final
NCHRP 20-07/Task 371	DOT Technical Assistance in Using the HFG	Final	The project is canceled
NCHRP 20-07/Task 372	Evaluation of MASH Test Vehicles	Final
NCHRP 20-07/Task 373	Utility Coordination Best Practices for Design-Build and Alternative Contracting Projects	Final	Completed.
NCHRP 20-07/Task 374	Guidelines for Selecting Sign Sheeting Materials for AASHTO M268	Final
NCHRP 20-07/Task 375	Improvements to the Dry Back Procedure of AASHTO T 209	Completed
NCHRP 20-07/Task 376	Transportation Agency ITS Infrastructure Decisions Considering V2I Deployment	Completed
NCHRP 20-07/Task 377	Standardized Format for Bridge and Structure Information Models	Final
NCHRP 20-07/Task 378	Assessing Risk for Bridge Management	Final
NCHRP 20-07/Task 379	AASHTO Highway Subcommittee on Maintenance Strategic Plan Update	Completed
NCHRP 20-07/Task 380	Proposed AASHTO Manual for the Maintenance of Roadways and Bridges	Final
NCHRP 20-07/Task 381	Rating Concrete Permeability Based on Resistivity Measurements	Final	NCHRP Project 18-19 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 382	Longer Pavement Life from Increased In-Place Density of Asphalt Pavements	Completed
NCHRP 20-07/Task 383	Review and update of the AASHTO Roadside Design Guide	Final
NCHRP 20-07/Task 384	Core Competencies for Key Safety Analyses	Final
NCHRP 20-07/Task 385	Traffic Incident Management Technical Advisory Group (TIMTAG) Business Plan	Final
NCHRP 20-07/Task 386	Update to AASHTO “Guide Specifications for Highway Construction”	Completed
NCHRP 20-07/Task 387	Maintenance Actions to Address Fatigue Cracking in Steel Bridge Structures	Final
NCHRP 20-07/Task 388	Guidelines for Design and Construction of Temporary Bridges	Final
NCHRP 20-07/Task 389	Implications of State Departments of Transportation (DOTs) Participation in the One Call Process as an Underground Facility Operator	Completed	Completed
NCHRP 20-07/Task 390	Parametric Study & Cost Effects for the USDOT Truck Size & Weight Study Vehicles	Final
NCHRP 20-07/Task 391	Energy Criteria for Maintaining Fully Animated Particles of Loose Asphalt in AASHTO T 209 Testing	Completed
NCHRP 20-07/Task 392	Plan for an AASHTO Operations Guide	Final
NCHRP 20-07/Task 393	Motor Vehicle Safety Countermeasures: Impacts on Pedestrian and Bicyclist Safety	Final
NCHRP 20-07/Task 394	Development of Performance-Based Geometric Design Content for the Next Edition of the AASHTO Green Book	Final
NCHRP 20-07/Task 395	MASH Equivalency of NCHRP 350-Approved Bridge Railings	Final
NCHRP 20-07/Task 396	Updating the AASHTO Seismic Hazard Maps and Site Coefficients	Final	NCHRP Project 12-106 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 397	Characteristics of Decommissioned Bridges	Final
NCHRP 20-07/Task 398	Development of Performance-Based Geometric Design Content for the Next Edition of the AASHTO Green Book	Final
NCHRP 20-07/Task 399	Identifying Bridge Maintenance and Preservation Activities which Minimize Environmental Impact	Final
NCHRP 20-07/Task 400	Effect of Elevation on Rolling Thin Film Oven Aging of Asphalt Binders	Completed
NCHRP 20-07/Task 401	Addressing Roadside Safety: A Systemic Approach to Hardware Replacement Analysis to Support MASH Implementation	Final
NCHRP 20-07/Task 402	Proposed Modification to AASHTO LRFD Reinforced Concrete Interface Shear Design and Detailing	Final	The project is Canceled
NCHRP 20-07/Task 403	Develop Detailed Elements for Movable Bridge Inspection and Management	Final	The project is canceled
NCHRP 20-07/Task 404	Reevaluation of the Side Friction Values used to Determine Horizontal Curve Radii Using Crash Data	Final	The project is canceled
NCHRP 20-07/Task 405	Reevaluation of the Perception and Reaction Time and Deceleration Rates for Stopping	Final	The project is canceled
NCHRP 20-07/Task 406	Development of a Framework for Balanced Asphalt Mixture Design	Completed
NCHRP 20-07/Task 407	Utility Coordination Efficiency, Safety, Cost, and Schedule Impacts using various Contracting Methods	Final	Final
NCHRP 20-07/Task 408	Transportation System Management and Operations (TSMO) Workforce: Skills, Positions, Recruitment, Retention, and Career Development	Final
NCHRP 20-07/Task 409	ITS Communications Integration Needs for Legacy and Emerging Programs Including	Final	The project is canceled
NCHRP 20-07/Task 410	Load Rating for the Fast Act Emergency Vehicles Ev-2 and Ev-3	Final
NCHRP 20-07/Task 411	Review and Update of AASHTO Standard Practice R 87	Completed
NCHRP 20-07/Task 412	Adjustments to the Superpave Volumetric Mixture Design Procedure for Selecting Optimum Asphalt Content	Completed
NCHRP 20-07/Task 413	Relocation and Acquisition of Outdoor Advertising Signs Impacted by State Highway Projects: Time and Cost Comparison	Final
NCHRP 20-07/Task 414	Benefits of Adaptive Traffic Control Deployments -- A Review of Evaluation Studies	Final	Final Report and (AT)2C tool available for download.
NCHRP 20-07/Task 415	Proposed AASHTO Guidelines for Bottom Flange Limits of Steel Box Girders	Final
NCHRP 20-07/Task 416	Alternative Technologies for Mitigating the Risk of Injuries and Deaths in Work Zones	Final
NCHRP 20-07/Task 417	Reorganization and Strategy to Update the AASHTO Drainage Manual	Completed
NCHRP 20-07/Task 418	An Impact and Value Analysis of Requiring Geo-spatial Locations for Utility Installation As-builts	Final	Final contractor's report is available for download.
NCHRP 20-07/Task 419	Accommodation of Small Cell Sites within Public Rights-of-Way (ROW)	Final
NCHRP 20-07/Task 420	Road User Understanding of Bicycle Signal Symbol Indications	Final
NCHRP 20-07/Task 421	Review and Update of AASHTO Standard Methods of Test T27 and T30	Final
NCHRP 20-07/Task 422	User Review of the AASHTO Guide for Local Calibration of the MEPDG	Completed
NCHRP 20-07/Task 423	Planning for a Comprehensive Update and Restructuring of AASHTO’s A Policy on Geometric Design of Highways and Streets (8th Edition)	Final
NCHRP 20-07/Task 424	AASHTO Guidelines for the Operation of Movable Bridges from Remote Locations	Final
NCHRP 20-07/Task 425	Emerging LED Technologies and Use within Tunnels	Final
NCHRP 20-07/Task 426	Challenges and Opportunities: A Strategic Plan for Equipment Management Research	Completed
NCHRP 20-07/Task 427	Developing a Recommended AASHTO Standard Practice for Selection of Temperature-Measuring Devices	Completed
NCHRP 20-07/Task 428	Update of the 2012 AASHTO Guide Specification for Design of Bonded FRP Systems for Repair and Strengthening of Concrete Bridge Elements	Completed
NCHRP 20-100	Return on Investment in Transportation Asset Management Systems and Practices	Final
NCHRP 20-101	Guidelines to Incorporate the Costs and Benefits of Adaptation Measures in Preparation for Extreme Weather Events and Climate Change	Completed
NCHRP 20-102	Impacts of Connected Vehicles and Automated Vehicles on State and Local Transportation Agencies--Task-Order Support	Active
NCHRP 20-102(01)	Policy and Planning Actions to Internalize Societal Impacts of CV and AV Systems into Market Decisions	Final
NCHRP 20-102(02)	Impacts of Regulations and Policies on CV and AV Technology Introduction in Transit Operations	Final	Published as Web-Only Document 239
NCHRP 20-102(03)	Challenges to CV and AV Application in Truck Freight Operations	Final	Published as Web-Only Document 231
NCHRP 20-102(04)	Evaluation Guidance for Automated Vehicle Pilot and Demonstration Projects	Final
NCHRP 20-102(05)	Strategic Communications Plan for NCHRP Project 20-102	Final	Canceled as the research objective is part of the NCHRP communication plan efforts
NCHRP 20-102(06)	Road Markings for Machine Vision	Final
NCHRP 20-102(07)	Implications of Automation for Motor Vehicle Codes	Final
NCHRP 20-102(08)	Dedicating Lanes for Priority or Exclusive Use by CVs and AVs	Final
NCHRP 20-102(09)	Updating Regional Transportation Planning and Modeling Tools to Address Impacts of Connected and Automated Vehicles	Final
NCHRP 20-102(10)	Cybersecurity Implications of CV/AV Technologies on State and Local Transportation Agencies	Final	This project is incorporated into NCHRP Project 03-127
NCHRP 20-102(11)	Mobility-on-Demand and Automated Driving Systems: A Framework for Public-Sector Assessment	Completed	Publication pending as NCHRP Research Report 1009 and NCHRP Web-Only Document 331; publication expected Fall 2022.
NCHRP 20-102(12)	Business Models to Facilitate Deployment of CV Infrastructure to Support AV Operations	Final	Research Report is available as NCHRP Web-Only Document 289
NCHRP 20-102(13)	Planning Data Needs and Collection Techniques for CV/AV Applications	Final	NCHRP Project 08-119 has been expanded in scope and budget to include this project
NCHRP 20-102(14)	Data Management Strategies for CV/AV Applications for Operations	Final	NCHRP Project 08-119 has been expanded in scope and budget to include this project
NCHRP 20-102(15)	Impacts of Connected and Automated Vehicle Technologies on the Highway Infrastructure	Final
NCHRP 20-102(16)	Impacts of Connected, Automated Vehicle Technologies on Traffic Incident Management Response	Completed
NCHRP 20-102(17)	Deployment Guidance for CV Applications in the Open Source Application Development Portal	Final	Project Cancelled
NCHRP 20-102(18)	Minimum Safety Data Needed for Automated Vehicle Operations and Crash Analysis	Final	NCHRP 17-91 has been expanded in scope and budget to include this project
NCHRP 20-102(19)	Update AASHTO’s Connected Vehicle/Automated Vehicle Research Roadmap	Final	NCHRP 20-102(19)B will update this project
NCHRP 20-102(19)B	Updated Research Roadmap for NCHRP 20-102, Impacts of Connected Vehicles and Automated Vehicles on State and Local Transportation Agencies	Final
NCHRP 20-102(20)	Preparing the Transportation Workforce for the Deployment of Emerging Technology	Active
NCHRP 20-102(21)	Infrastructure Modifications to improve the Operational Domain of Automated Vehicles	Final	The scope of this task is combined with NCHRP 20-102(24).
NCHRP 20-102(22)	State and Local Impacts of Automated Freight Transportation Systems	Final
NCHRP 20-102(23)	Potential Impacts of Highly Automated Vehicles and Shared Mobility on Traveler Behavior	Final	TCRP B-47 has been expanded in scope and budget to include this project
NCHRP 20-102(24)	Infrastructure Modifications to Improve the Operational Conditions of Automated Vehicles	Active	Research in progress.
NCHRP 20-102(25)	Readiness and Effectiveness of Freeway-Based Corridor V2X Applications for Improving Congestion and Safety	Final	Project Cancelled
NCHRP 20-102(26)	Dynamic Curbside Management: Keeping Pace with New and Emerging Mobility and Technology in the Public Right of Way	Final
NCHRP 20-102(27)	Realistic Timing Estimates for Automated Vehicle Implementation	Final	Final report published as NCHRP Research Report 1049.
NCHRP 20-102(28)	Preparing Transportation Agencies for Connected and Automated Vehicles in Work Zones	Final
NCHRP 20-102(29)	Incorporating New Mobility Options into Travel Demand Forecasting and Modeling	Final
NCHRP 20-102(30)	Equity Impacts of Shared AVs on Transportation Disadvantaged Communities	Final	TCRP B-47 has been expanded in scope and budget to include this project
NCHRP 20-102(31)	Unintended Consequences of AVs on Infrastructure Owner-Operators	Final	NCHRP Project 23-15 has been expanded in scope and budget to include this project.
NCHRP 20-102(32)	Safety Implications in a Mixed Vehicle Environment	Final	NCHRP 17-91 and BTSCRP BTS-07 have been expanded in scope and budget to include this project
NCHRP 20-102(33)	A Guide to Enhancing the Safety of Vulnerable Road Users in a CAV Future	Completed	Cancelled
NCHRP 20-102(34)	Toolbox for Navigating the Land-Use Impacts of the Automated Vehicle Ecosystem	Completed	Final deliverables pending
NCHRP 20-102(35)	C/AV Applications for IOO Fleets	Final	NCHRP 14-42 has been expanded in scope and budget to include this project
NCHRP 20-103	Guidance for Development and Management of Sustainable Information Portals	Final
NCHRP 20-104	Capturing and Learning Essential Consultant-Developed Knowledge within Departments of Transportation	Final
NCHRP 20-105	Development of Course Outlines for Ahead of the Curve Training Program: Mastering the Management of Transportation Research	Completed
NCHRP 20-105B	Development of Course Outlines for Ahead of the Curve Training Program: Mastering the Management of Transportation Research	Final
NCHRP 20-106	Framing Surface Transportation Research for the Nation's Future	Final
NCHRP 20-107	Effective Construction Project Staffing Strategies for Transportation Agencies	Final	Published as NCHRP Research Report 923..
NCHRP 20-108	Guide to Sustaining a Culture of Innovation within Departments of Transportation	Final
NCHRP 20-109	Enhancement of the Transportation Research Thesaurus	Final	Published as NCHRP Research Report 874: The Transportation Research Thesaurus: Capabilities and Enhancements
NCHRP 20-110	A Guide to Ensure Access to the Publications and Data of Federally Funded Transportation-Related Research	Completed
NCHRP 20-111G	Best Practices for State DOT Research Program Peer Exchanges	Final
NCHRP 20-111J	Successful Practices for State Transportation Research Office's Complying with 2 CFR 200	Final	Complete. Final report posted.
NCHRP 20-112	A Research Roadmap for Transportation and Public Health	Final
NCHRP 20-113	Research Roadmap -- Transformational Technologies (other than CV/AV)	Final
NCHRP 20-113A	Support for TRB Symposium on Transformational Technologies Affecting Transportation	Final
NCHRP 20-113F	Topical White Papers for the TRB Forum on Automated Vehicles and Shared Mobility	Final
NCHRP 20-114	Multimodal Freight Transportation Research Roadmap	Final	Submitted to the AASHTO Special Committee on Freight
NCHRP 20-116	An Emergency Management Playbook for State Transportation Agencies	Final
NCHRP 20-117	Deploying Transportation Resilience Practices in State DOTs	Final
NCHRP 20-118	Benchmarking and Comparative Measurement for Effective Performance Management by Transportation Agencies	Final
NCHRP 20-119	Evaluating the Suitability of Roadway Corridors for Use by Monarch Butterflies	Completed	A pre-publication of the final report is available at http://www.trb.org/main/blurbs/180186.aspx.
NCHRP 20-120	Next Generation Transportation Pooled Fund (TPF) Website	Active
NCHRP 20-121	State DOT Contributions to the Study, Investigation, and Interdiction of Human Trafficking	Final	Phase II will be conducted under NCHRP 20-121A
NCHRP 20-121A	Countering Human Trafficking: A Toolkit for State DOTs	Active	Research in progress
NCHRP 20-122	Rural Transportation Issues: Research Roadmap	Final
NCHRP 20-123	Support for AASHTO Committees and Councils	Active	Individual task hyperlinks available below.
NCHRP 20-123(01)	Transportation Asset Management Strategic Planning and Research Roadmap Development	Final	Final products may be found on https://onlinepubs.trb.org
NCHRP 20-123(02)	Research Roadmap for the AASHTO Council on Active Transportation	Final
NCHRP 20-123(03)	Staying Nimble: Organizational Development for the Cutting Edge	Final	Combined with NCHRP 20-44( 11)
NCHRP 20-123(04)	Development of a Risk Management Strategic Plan and a Research Roadmap	Final
NCHRP 20-123(05)	Support for Review of the Manual on Uniform Traffic Control Devices (MUTCD) Notice of Proposed Amendments (NPA)	Final	This project was canceled
NCHRP 20-123(06)	Merging and Updating AASHTO Policy on the Accommodation of Utilities within Freeway Right-of-Way and AASHTO Guide for Accommodating Utilities within Highway Right-of-Way	Final
NCHRP 20-123(07)	Update proposed Manual for the Maintenance of Roadways and Bridges	Final
NCHRP 20-123(08)	Scoping Study to Update User and Non-User Benefit Analysis for Highways	Active
NCHRP 20-123(09)	Feasibility Study for a Platform to Capture Innovations from State Departments of Transportation	Final
NCHRP 20-123(10)	AASHTO Committee on Bridges and Structures Strategic Plan, Operating Guidelines, and Research Roadmap Development	Final	The final deliverables have been forwarded to AAHSTO COBS for their use.
NCHRP 20-123(11)	High-Value Research Marketing and Communications for 2020	Final
NCHRP 20-123(12)	System Mobility and Emerging Technologies (SMET): Strategic Planning Session and Research Roadmap Development	Final	Final deliverables have been shared with AASHTO for use by the SMET Subcommittee.
NCHRP 20-123(13)	Strategic Plan and Research Roadmap for the AASHTO Committee on Planning	Final	Final Strategic Plan and Research Roadmap has been delivered to the AASHTO Committee on Planning
NCHRP 20-123(14)	Scoping Study for the Development of a Platform for State DOT and AASHTO Committee Surveys	Final
NCHRP 20-123(15)	Support for AASHTO Approval of the Transportation Operations Manual	Final	This project was combined with NCHRP Project 03-126
NCHRP 20-123(16)	Roadmap for the Transformation to Computer Simulation-Based Assessment of Bridge Railings	Final	This project has been replaced with NCHRP 20-123(16)A
NCHRP 20-123(16)A	Roadmap for the Transformation to Computer Simulation-Based Assessment of Bridge Railings	Active	Research In Progress
NCHRP 20-123(17)	Highway Safety Manual Development and Roadmap	Active	Research underway
NCHRP 20-123(18)	Development of a New Transportation System Operations Strategic Plan	Active
NCHRP 20-123(19)	A Research Roadmap for Institutionalizing Transportation Equity	Active	Research is progress.
NCHRP 20-123(20)	Roadmap to Update Bridge Deck Design Requirements	Active	Research In Progress
NCHRP 20-123(21)	Roadmap to Update Bridge Evaluation	Pending
NCHRP 20-123(22)	Development of Modern Active Transportation Research Roadmap	Pending
NCHRP 20-123(23)	A Strategic Plan for Equipment Management Research	RFP
NCHRP 20-123(24)	Roadmap for Integrated Selection of Multimodal Facilities	Pending
NCHRP 20-124	Deploying Transportation Security Practices in State DOTs	Final
NCHRP 20-125	Strategies for Incorporating Resilience into Transportation Networks	Completed	Final deliverables are in the editorial and publication process.
NCHRP 20-126	Support for Critical Issues in Transportation and Commitment to the Future IHS	Final
NCHRP 20-126(01)	Programmatic Issues of Future System Performance	Final	Published as NCHRP Web-Only Document 346
NCHRP 20-126(02)	State Transportation Agency Multifaceted Decision-Making for Future System Performance	Final
NCHRP 20-126(03)	Advancing Practices of In Situ Nondestructive Evaluation of Highway System Asset Foundational Condition and Capability	Final	Published as NCHRP Research Report 1041
NCHRP 20-127	Business Case and Communications Strategies for State DOT Resilience Efforts	Final
NCHRP 20-128	Emergency Response: Organizational and Operational Models Used by State DOTs	Final
NCHRP 20-129	Guide for Addressing Encampments on State Transportation Rights-of-Way	Completed	Phase I only.
NCHRP 20-130	Incorporating Human Factors Guidelines into Transportation Projects, Programs, and Practices	Pending
NCHRP 20-131	Qualitatively Valuing Research for Transportation Agencies: A Guide	Pending
NCHRP 20-132	Electric Vehicle Fire Mitigation and Response Toolkit	Pending
NCHRP 20-133	Toolkit for Implementation of AI-Based Solutions for State Departments of Transportation	RFP
NCHRP 20-134	Guide for Conducting Right-of-Way Research in the Project Delivery Process	RFP
NCHRP 20-135	Incorporating Public Health Outcomes into the Transportation Planning and Decision-Making Process	Pending
NCHRP 20-136	Leveraging Original Equipment Manufacturer Vehicle Sensor Data for Pavement Management	Pending
NCHRP 20-137	Compensating Community Members for Participation in Transportation Decision-Making: Emerging Best Practices	RFP
NCHRP 20-138	Defining, Assessing, and Monitoring Transportation System Health: Guide	Pending
NCHRP 20-19(2)	Pedestrian Safety and Convenience on Suburban and Rural Highways---Implementation Phase	Final
NCHRP 20-23	Kinematic Differential GPS Satellite Surveying	Completed
NCHRP 20-24	Administration of Highway and Transportation Agencies	Active
NCHRP 20-24(001)	Using Market Research to Improve the Management of Transportation Systems	Completed
NCHRP 20-24(002)	Executive Management Information Systems for State Departments of Transportation	Completed
NCHRP 20-24(003)	Expanding the Civil Engineering Pool	Completed
NCHRP 20-24(003)A	Civil Engineering Careers in Transportation---Outreach Program	Completed
NCHRP 20-24(005)	Public Outreach in Transportation Management	Completed
NCHRP 20-24(006)A	Performance Measures for State Highway and Transportation Agencies	Completed
NCHRP 20-24(006)B	Business Systems Plan for Highway Engineering Information	Completed
NCHRP 20-24(006)C	Information Systems for Transportation Agencies	Completed
NCHRP 20-24(007)	Alternatives to Motor Fuel Taxes for Financing Surface Transportation Improvements	Completed
NCHRP 20-24(007)A	Alternative Approaches to the Taxation of Heavy Vehicles	Completed
NCHRP 20-24(008)	Project 20-24 Series---Revisited	Completed
NCHRP 20-24(009)	State Departments of Transportation---Strategies for Change	Completed
NCHRP 20-24(010)	Customer-Based Quality in Transportation	Completed
NCHRP 20-24(011)	Asset Management Guidance for Transportation Agencies	Completed
NCHRP 20-24(012)	Avoiding Delays During the Construction Phase of Highway Projects	Completed
NCHRP 20-24(013)	Innovative Financing Clearinghouse	Completed
NCHRP 20-24(014)	Managing Change in State Departments of Transportation	Final
NCHRP 20-24(018)	Outsourcing of State DOT Delivery of Capital Programs	Completed
NCHRP 20-24(019)	State DOTs and E-Business	Completed
NCHRP 20-24(020)	Using Performance Measures to Manage Change in State Departments of Transportation	Completed
NCHRP 20-24(021)	Characteristics of the 21st Century Operations-Oriented State DOT	Completed
NCHRP 20-24(023)	Assessing the Importance of Transportation for Major Industries and Sectors of the U.S. Economy	Final
NCHRP 20-24(024)	Transportation Mobility, Access and Safety for an Aging Population	Completed
NCHRP 20-24(029)	CEO Leadership Forum	Completed
NCHRP 20-24(030)	Performance Measurement in Context Sensitive Design	Completed
NCHRP 20-24(031)	Effective Program Delivery in a Constrained Fiscal Environment	Completed	The final report has been submitted to AASHTO.
NCHRP 20-24(033)	Transportation Vision 2010 and Beyond	Completed
NCHRP 20-24(034)	Commuting in America	Completed
NCHRP 20-24(035)	Communicating Urban Congestion Information	Completed
NCHRP 20-24(036)	AASHTO Strategic Plan Support	Completed
NCHRP 20-24(037)	Measuring Performance among State DOTs: Sharing Good Practices	Completed
NCHRP 20-24(037)A	Measuring Performance among State DOTs: Sharing Good Practices -- Construction Project Cost and Schedule	Completed
NCHRP 20-24(037)B	Measuring Performance among State DOTs: Sharing Good Practices based on the International Roughness Index	Completed	Completed
NCHRP 20-24(037)C	Measuring Performance Among State DOTs, Sharing Best Practices -- Safety	Final
NCHRP 20-24(037)D	Measuring Performance Among State DOTs, Sharing Best Practices--Operations Performance Using Incident Response Time	Final
NCHRP 20-24(037)E	Measuring Performance Among State DOTs, Sharing Best Practices— Preservation: Comparative Analysis of Bridge Conditions	Final
NCHRP 20-24(037)F	Establishment of Comparative Performance Measures Program Infrastructure to Support National System Performance Data Collection and Analysis	Completed
NCHRP 20-24(037)G	Technical Guidance for Deploying National Level Performance Measurements	Completed
NCHRP 20-24(037)H	Workshop on Transportation-System Performance Measures Suitable for National Use	Completed
NCHRP 20-24(037)I	Measuring Performance among State DOTs: Sharing Good Practices -- Congestion	Completed
NCHRP 20-24(037)J	Measuring Performance among State DOTs: Sharing Good Practices – Pavement Health	Completed
NCHRP 20-24(037)K	Measuring Performance among State DOTs: Sharing Good Practices -- Serious Crash Injury	Completed
NCHRP 20-24(037)L	National Report on Transportation System Performance -- State DOTs Telling the Story	Completed
NCHRP 20-24(038)	CEO Engagement Options	Completed
NCHRP 20-24(039)	Alternative Organizational Designs for State Transportation Departments	Final
NCHRP 20-24(040)	Analysis and Benchmarking of State DOT Recruitment and Hiring Practices	Completed
NCHRP 20-24(041)	Project Summaries for State DOT CEOs	Completed
NCHRP 20-24(042)	Guidelines for State DOT quality management systems	Completed
NCHRP 20-24(043)	Innovative Contracting for Major Transportation Projects Workshop	Completed	The workshop was the deliverable
NCHRP 20-24(044)	Highway Safety Leadership Organizational Issues; A Survey of States and Recommendations for Sustaining Progrss	Completed
NCHRP 20-24(045)	Executive Seminar, Coordinating Transportation and Land Development	Final
NCHRP 20-24(046)	Freight Transportation: New Roles for State DOTs	Final
NCHRP 20-24(047)	Racial and Gender Diversity in State DOTs and Transit Agencies: Phase I Benchmark Scoping	Completed
NCHRP 20-24(048)	Analysis and Benchmarking of State DOT Human Resource Activities	Final
NCHRP 20-24(049)	Future Financing Options to Meet Highway and Transit Needs	Completed
NCHRP 20-24(050)	In-Service Training Needs for State DOTs	Completed
NCHRP 20-24(051)	State DOT Leadership Forum--2006	Completed
NCHRP 20-24(052)	Future Options for the National System of Interstate and Defense Highways	Final
NCHRP 20-24(053)	Twenty-First Century Leadership and Management Techniques for State DOTs	Final	The project has been completed and the products provided to AASHTO for distribution.
NCHRP 20-24(054)	2006 Bottom Line Report State and National Investment Analysis: Highways	Completed
NCHRP 20-24(054)G	2006 AASHTO Bottom Line Scoping	Completed
NCHRP 20-24(055)	National Summit on Future Transportation Funding and Finance Strategies: States and Metropolitan Regions	Completed
NCHRP 20-24(056)	National Leadership Retreat for State and Local Officials to Advance a Vision of the Transportation System Required to Meet Future Needs	Completed
NCHRP 20-24(058)	Toward Developing Performance Based Federal-Aid Programs	Completed
NCHRP 20-24(059)	Strategies for Reducing the Impacts of Surface Transportation on Global Climate Change	Completed
NCHRP 20-24(060)	Updating AASHTO's Strategic Plan in CY 2008	Completed
NCHRP 20-24(061)	Issues and Practices in Performance-Based Maintenance and Operations Management	Completed
NCHRP 20-24(062)	Communication Strategies To Increase Understanding of Funding and Revenue Needs for the Nation’s Transportation System	Completed	This project was part of the initial NCHRP 20-24A task-order procurement.
NCHRP 20-24(063)	Partnership Approaches to Identify, Promote, and Implement Congestion Management Strategies	Final
NCHRP 20-24(064)	Implications of Performance Standards, Conformity-Style Approaches, and Other Mechanisms for Assessing Greenhouse Gas (GHG) Reduction Strategies and Integrating GHG Objectives into Transportation Decision Making	Completed	The project was administered under the NCHRP 20-24A task-order system.
NCHRP 20-24(065)	Strengthened Economic Basis for Systematic Selection of Highway and Transit Projects	Final	This project was removed from the NCHRP 20-24 program.
NCHRP 20-24(066)	Update of Technology and Alternative Fuels Assessment	Final	This project was removed from the NCHRP 20-24 program.
NCHRP 20-24(067)	State DOT CEO Leadership Forum- Spring/Summer 2009; Pilot Study of State Driven Performance Based Management Reporting	Final
NCHRP 20-24(068)	Estimating the Costs to State Governments Due to Highway-Related Debilitating Injury and Fatal Crashes	Completed
NCHRP 20-24(069)	Implementable Strategies for Shifting to Direct Usage-Based Charges for Transportation Funding	Final	The project is administered under the NCHRP 20-24A task-order system.
NCHRP 20-24(070)	Update the 2003 Report Reducing Greenhouse Gas Emissions from U.S. Transportation	Completed	Report was published by the Pew Center.
NCHRP 20-24(071)	Expediting NEPA Decisions and Other Practitioner Strategies for Addressing High Risk Issues in Project Delivery	Final
NCHRP 20-24(072)	Maximizing Highway Operational Strategies to Reduce Greenhouse Gas (GHG) Emissions	Final	The project was cancelled in October 2011; funds were reassigned to other projects.
NCHRP 20-24(073)	Economic and Employment Benefits of Highway Investments in Response to Economic Downturns: A Scoping Study	Final	Study was conducted by TRB's Studies and Special Programs Division
NCHRP 20-24(074)	Executive Strategies for Risk Management by State Departments of Transportation	Completed
NCHRP 20-24(075)	Development of a Performance Management Roadmap	Final	The project was cancelled in October 2011 and funds reassigned.
NCHRP 20-24(076)	Developing Surface Transportation Funding and Financing Solutions for the Coming Decade	Final	This project was cancelled and the funds reallocated to other activities.
NCHRP 20-24(077)	Support for a TRB-sponsored conference on Strategies for Meeting Critical Data Needs for State and Metropolitan Transportation Agencies	Completed	All work was conducted by TRB staff.
NCHRP 20-24(079)	Specifications for a National Study of the Future 3R, 4R, and Capacity Needs of the Interstate System	Completed
NCHRP 20-24(080)	Assessing the Economic Benefit of Transportation Infrastructure Investment in a Mature Surface Transportation System	Final
NCHRP 20-24(081)	Leading in Lean Times: Maximizing Resources in a Constrained Environment	Completed
NCHRP 20-24(082)	Increasing Consistency in the Highway Performance Monitoring System for Pavement Reporting	Completed
NCHRP 20-24(083)	Alternative State DOT Organizational Models for Delivering Services	Completed
NCHRP 20-24(084)	State DOT CEO Leadership Forum 2013	Final
NCHRP 20-24(086)	Critical Assessment for Future Surface Transportation Needs Analyses (Refresh the Policy Capacity of the Bottom Line/C&P)	Final
NCHRP 20-24(087)	State DOT Administration of Local Road Safety Aid	Final
NCHRP 20-24(089)	Role and Value of Transportation for U.S. Industries and Sectors	Final
NCHRP 20-24(091)	State DOT CEO Safety Leadership Forum (Support)	Completed
NCHRP 20-24(092)	Evaluation of State-of-the-Art Transportation Funding and Finance Methods	Final
NCHRP 20-24(093)	Public Communication	Final
NCHRP 20-24(094)	Support for Development of AASHTO’s Strategic Plan	Final
NCHRP 20-24(095)	Ensuring Essential Capability for the Future Transportation Agency	Final
NCHRP 20-24(097)	Advancing Performance Management under a National Framework	Final
NCHRP 20-24(098)	Connected/Automated Vehicle Research Roadmap for AASHTO	Final
NCHRP 20-24(099)	CEO Peer Exchange on Agency Management and Emerging Issues (2015)	Final
NCHRP 20-24(100)	State DOT CEO Leadership Forum – a Focus on Transportation Futures	Final
NCHRP 20-24(101)	An Introduction to Knowledge Management and Workforce Issues for CEOs: A CEO Leadership Workshop	Final	Combined with NCHRP 20-24(95)
NCHRP 20-24(102)	Executive Strategies to Deliver Practical Design	Final
NCHRP 20-24(103)	Transportation Investment for Economic Development: Making the Case (Peer Exchange)	Final
NCHRP 20-24(104)	State DOT Implementation of MAP21 Performance Measure Rules	Final
NCHRP 20-24(105)	Launching U.S. Transportation Enterprise Risk Management Programs	Final
NCHRP 20-24(106)	Evaluation Guidance for Automated Vehicle Pilot and Demonstration Projects	Final	This research was conducted as NCHRP Project 20-102(04). Refer to that project for information.
NCHRP 20-24(107)	Update to Transportation Governance: A 50-State Review of State Legislatures and Departments of Transportation	Final
NCHRP 20-24(108)	CEO Peer Exchange on Agency Management and Emerging Issues (2016)	Final
NCHRP 20-24(110)	Development of Resources to Support State DOT Communications on Safety	Final
NCHRP 20-24(111)	State DOT CEO Leadership Forum on Connected & Autonomous Vehicles and Transportation Infrastructure Readiness in conjunction with 2017 ITSWC, Montreal, Canada	Final
NCHRP 20-24(112)	Connected Road Classification System (CRCS) Development	Final	Contractor's Final report and summary presentation are available for download and use.
NCHRP 20-24(113)	CEO Orientation and Peer Exchange Workshop 2017	Final
NCHRP 20-24(116)	Guidance on Roles and Responsibilities in Operation of Automated Vehicles	Final	Project was cancelled
NCHRP 20-24(119)	Strategic Research in Support of the Connected and Automated Vehicle Executive Leadership Team	Anticipated
NCHRP 20-24(12)A	Improving the Time Performance of Highway Construction Contracts	Completed
NCHRP 20-24(121)	Road Usage Charge: Applying Lessons Learned in New Zealand to the United States	Final
NCHRP 20-24(122)	A Comprehensive Study of Future Competencies for Transportation Planners	Final
NCHRP 20-24(124)	Performance Management Reporting Peer Exchange	Final
NCHRP 20-24(125)	Scoping Study to Develop the Basis for a Highway Standard to Conduct an All-Hazards Risk and Resilience Analysis	Completed
NCHRP 20-24(126)	National Automation Readiness Framework: Coast-to-Coast Automated Mobility	Final	Project was cancelled
NCHRP 20-24(127)	Performance Management Implementation Concerns, Issues and Challenges	Final
NCHRP 20-24(128)	State-of-the-Art Review of Cooperative Automated Transportation (CAT) Systems	Final
NCHRP 20-24(129)	CEO Peer Exchange and Strategy Forum (2019)	Completed
NCHRP 20-24(130)	Support for Development of AASHTO’S 2021-2026 Strategic Plan	Final
NCHRP 20-24(131)	Mapping the Common Interests of AASHTO Committees	Final
NCHRP 20-24(132)	Understanding Knowledge Management in Context with Other Organizational Practices	Anticipated	This research will be conducted as NCHRP Project 23-18.
NCHRP 20-24(133)	Update to Transportation Governance: A 50-State Review of State Legislatures and Departments of Transportation	Final
NCHRP 20-24(134)	Practices for Transportation Agency Procurement and Management of Advanced Technologies	Final	Conducted as NCHRP Project 23-19
NCHRP 20-24(135)	Operational Oversight of Drones - UAS Development and Deployment: Jurisdictional Issues and Options	Final	Project Fund was transferred to NCHRP 23-20
NCHRP 20-24(136)	Enabling Knowledge Management through Leadership Strategy and Culture	Final	Project fund was transferred to NCHRP Project 23-21
NCHRP 20-24(137)	Assessing and Communicating the Economic and Quality of Life Benefits of Transportation Infrastructure Investments: Message Testing	Final
NCHRP 20-24(138)	Collective and Individual Actions for State Departments of Transportation Envisioning and Realizing the Next Era of America’s Transportation Infrastructure – Phase I	Final
NCHRP 20-24(138)A	Collective and Individual Actions to Envision and Realize the Next Era of America’s Transportation Infrastructure—Phase 2	Active
NCHRP 20-24(139)	Into the 2020s: A Peer Exchange Series for State Department of Transportation CEOs	Active
NCHRP 20-24(141)	Advancing the Art and Science of Decision-Making	Active	Research in progress
NCHRP 20-24(144)	Enhancing State DOTs Agility in Project Development and Delivery	Active
NCHRP 20-24(145)	Harnessing the Safe System Approach to Improve Traffic Safety	Active
NCHRP 20-24(146)	Guide to Supporting and Sustaining Transportation Grant Programs for Local Governments and Tribes	Active	Research in progress
NCHRP 20-24(147)	Identify Best Practices for Automated Driving Systems and Other Emerging Technologies	Active
NCHRP 20-24(148)	Transportation Climate Adaptation Through Asset Management Prioritization of Resilient Routes	Pending
NCHRP 20-24(149)	Recruiting and Retaining Talent in the Transportation Industry: Guide	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 20-24(150)	A Framework for Data Exchanges Between Transportation Agencies and Third-Party Mapping Organizations	Pending
NCHRP 20-24(151)	Implementation of Artificial Intelligence Programs in State and Local Departments of Transportation	Anticipated	In development
NCHRP 20-24(152)	Current Workforce Challenges to Recruit and Retain Construction Inspectors	Anticipated	In development
NCHRP 20-24(153)	Roadmap to Addressing State DOT Workforce Planning and Development Needs	Anticipated	In development
NCHRP 20-24A	Task-Order Support for Research on the Administration of Highway and Transportation Agencies	Final
NCHRP 20-24B	Research Supporting the NCHRP Project Panel on Administration of Highway and Transportation Agencies	Completed
NCHRP 20-25	Training Needs for Highway Construction Personnel	Completed
NCHRP 20-25(2)	Training for Highway Construction Personnel	Completed
NCHRP 20-25(3)	Development of Training Material for Highway Construction Personnel	Completed
NCHRP 20-26	Bond and Insurance Coverages for Highway Construction Contractors	Completed
NCHRP 20-27	Adaptation of Geographic Information Systems for Transportation	Completed
NCHRP 20-27(2)	Development of System and Application Architectures for Geographic Information Systems in Transportation	Completed
NCHRP 20-27(3)	Guidelines for the Implementation of Multimodal Transportation Location Referencing Systems	Completed
NCHRP 20-28	Hazardous Wastes in Highway Rights-of-Way	Completed
NCHRP 20-29	Development of a Multimodal Framework for Freight Transportation Investment: Consideration of Rail and Highway Trade-offs	Completed
NCHRP 20-29(2)	Development of a Computer Model for Multimodal, Multicriteria Transportation Investment Analysis	Completed
NCHRP 20-30	NCHRP-IDEA	Active
NCHRP 20-31	Public Policy for Surface Freight Transportation	Completed
NCHRP 20-32	Development of a Comprehensive Thesaurus for Transportation Research	Completed
NCHRP 20-32(2)	Refinement of Transportation Research Thesaurus and Implementation of Updated TRIS Keyword Index	Completed
NCHRP 20-33	Facilitating the Implementation of Research Findings	Completed
NCHRP 20-33(2)	The Role of Procurement and Contracting Approaches in Facilitating the Implementation of Research Findings	Completed
NCHRP 20-34	Developing Measures of Effectiveness for Truck Weight Enforcement Activities	Completed
NCHRP 20-35	Plan for SHRP Follow-Up Studies	Completed
NCHRP 20-36	Highway Research and Technology -- International Information Sharing	Active
NCHRP 20-37	Strategic Direction for the NCHRP and Other AASHTO Research Activities	Completed
NCHRP 20-38	Development of a Manual for State Transportation Research	Completed
NCHRP 20-39	Improved User Access to TRIS Through the AASHTO VAN	Completed
NCHRP 20-39(2)	Improved Transportation Research-In-Progress Data System	Final
NCHRP 20-40	Conversion of AASHTO Publications to Metric Units	Completed
NCHRP 20-41	Approaches for Increasing Private-Sector Involvement in Highway Innovation Process	Completed
NCHRP 20-42	Sustainable Transportation	Completed
NCHRP 20-43	Application of CD-ROM Technology for AASHTO Technical Documents	Final
NCHRP 20-44	NCHRP Implementation Support Program	Active
NCHRP 20-44(01)	Increasing WMA Implementation by Leveraging the State-Of-The-Knowledge	Final
NCHRP 20-44(02)	Implementation of the AASHTO Guide for Enterprise Risk Management	Final
NCHRP 20-44(03)	Dissemination of NCHRP Report 799: Management Guide to Intellectual Property for State Departments of Transportation	Final
NCHRP 20-44(04)	Implementing Products from NCHRP Research on Adhesive Anchor Systems	Completed
NCHRP 20-44(05)	Dissemination of “NCHRP Domestic Scan 14-01: Leading Management Practices in Determining Funding Levels for Maintenance and Preservation”	Final
NCHRP 20-44(06)	Consultant Support for Massachusetts DOT’s Commission on the Future of Transportation in the Commonwealth	Final
NCHRP 20-44(08)	NCHRP Comprehensive Communications Plan	Final
NCHRP 20-44(09)	Quantitative and Qualitative Methods for Capturing the Impacts and Value of NCHRP Research	Final
NCHRP 20-44(11)	Advancing practices for data governance, information management, and managing the impact of digitization on DOT workforces	Final
NCHRP 20-44(12)	Building Capacity for Self-Assessment of Data Effectiveness for Agency Business Needs	Final
NCHRP 20-44(13)	Implementation of NCHRP Research Report 893: The Oregon DOT Statewide Pedestrian and Bicycle Plan	Final
NCHRP 20-44(14)	Implementation of NCHRP Research Report 887 - Guidance for Underwater Installation of Filter Systems	Final
NCHRP 20-44(15)	Consultant Support for implementation of Design Hydrology for Stream Restoration and Channel Stability at Stream Crossings	Final
NCHRP 20-44(16)	Implementation of IDEAL Cracking Test for Asphalt Mix Design QC/QA	Final
NCHRP 20-44(17)	Implementing the Results of NCHRP Project 20-68A, Domestic Scan 17-01: Successful Approaches for the Use of Unmanned Aerial Systems by Surface Transportation Agencies	Final
NCHRP 20-44(18)	Validation of the PFC Performance-Based Mix Design Method	Completed
NCHRP 20-44(19)	Implementation of Proposed AASHTO Standards for Asphalt Binders and Mixtures	Completed	Project complete.
NCHRP 20-44(21)	Synthesis of State Peer Exchanges and RPPM	Final
NCHRP 20-44(22)	Right Sizing Transportation Investments	Final	Implementation Program for NCHRP 19-14
NCHRP 20-44(23)	Pilot Test of Climate Change Design Practices Guide for Hydrology and Hydraulics	Completed	Completed
NCHRP 20-44(24)	Pilot Test of Proposed Standard Practice for Recycling Agents in Asphalt Mixtures Incorporating RAP and RAS	Completed	Project complete.
NCHRP 20-44(25)	Workshop to Introduce Proposed Changes to AASHTO M 320 and M 332 to Key Stakeholder Groups	Completed
NCHRP 20-44(26)	Implementing Guide Specifications for the Construction of Chip Seals, Micro Surfacing, and Fog Seals	Final	Project Complete.
NCHRP 20-44(27)	Facilitating Balanced Mix Design Implementation	Completed	Project complete.
NCHRP 20-44(28)	Development of a Technology Transfer Plan for State Departments of Transportation Research Programs	Final
NCHRP 20-44(29)	Training for Highway Construction Noise Prediction Model-RCNM2.0	Completed	Terminated.
NCHRP 20-44(30)	Measuring the Effectiveness of Public Involvement at Five State Departments of Transportation: Implementation of the NCHRP Research Report 905 Toolkit	Final
NCHRP 20-44(32)	Guidelines for Selecting Travel Forecasting Methods and Techniques—Implementation	Final
NCHRP 20-44(33)	Implementing NCHRP Project 20-119: Evaluating the Suitability or Roadway Corridors for Use by Monarch Butterflies	Final
NCHRP 20-44(34)	Successful Practices for State Transportation Research Office's Complying with 2 CFR 200 (NCHRP 20-111J)	Final	Research is complete. A Contractor's Report is available on the project web page.
NCHRP 20-44(35)	Implementation for NCHRP Research Report 948—Guide for Pedestrian and Bicycle Safety at Alternative Intersections and Interchanges	Final
NCHRP 20-44(36)	Workshops on Long-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway Infrastructure	Final
NCHRP 20-44(36)A	Workshops on Long-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway Infrastructure	Active
NCHRP 20-44(37)	Workshops on Performance Measures in Snow and Ice Control Operations	Completed
NCHRP 20-44(39)	Consultant Support for Implementation of Guidebook for Managing Data from Emerging Technologies	Final
NCHRP 20-44(40)	Implementing the Agency Capability Building Framework to Activate Organizational Change	Active
NCHRP 20-44(41)	Deploying Transportation Resilience Practices in State DOTs: Implementation	Active
NCHRP 20-44(42)	Agency Implementation of the Design-Build and Contract Manager/General Contractor Guidebooks for Post-Award Contract Administration	Final	Published as Web-Only Document
NCHRP 20-44(43)	Implementing the Benefits of Green Infrastructure for Effective Roadside Water Management	Active
NCHRP 20-44(44)	Implementing the Design Practices Guide for Applying Climate Change Information to Hydrologic and Coastal Design of Transportation Infrastructure	Active
NCHRP 20-44(45)	Supporting State DOT Adoption of Knowledge Management Practices	Active
NCHRP 20-44(46)	Implementing the Asset Valuation Guide Developed Through NCHRP Project 23-06	Active
NCHRP 20-44(47)	UAS Operations Practical Skills Pilot Program for State DOTs	Active
NCHRP 20-44(48)	Peer Exchanges on Data Management and Governance Practices	Active
NCHRP 20-44(49)	Research Implementation - Strategies for Overcoming Barriers	Active
NCHRP 20-44(50)	Implementation of Asphalt Pavement Raveling Detection Algorithm	Active
NCHRP 20-44(51)	Developing Training Materials to Implement Context Classifications	Active
NCHRP 20-44(52)	Implementing a Guide for Urban and Suburban Roadway Cross-Section Reallocation	Active
NCHRP 20-44(53)	Implementing the Areawide Approach to Roadway Safety Management and Safety Planning	Active
NCHRP 20-44(54)	Training Program for the Emergency Management Playbook	Active
NCHRP 20-44(55)	Implementing NCHRP Guides on Pollinator Habitat Conservation along Roadways	Pending
NCHRP 20-44(56)	Implementation Project to Measure and Communicate the Value of Access Management	Pending
NCHRP 20-44(57)	Implementing Scenario Planning Across Transportation Agencies	Pending
NCHRP 20-44(58)	Helping MPOs and State DOTs Implement Innovative Strategies from NCHRP Research Report 1002	Pending
NCHRP 20-44(59)	Implementing the research results of NCHRP Research Report 1080, Using Cooperative Automated Transportation Data for Freeway Operational Strategies	Anticipated	In development
NCHRP 20-44(60)	Implementation of NCHRP Project 09-65: Capturing Durability of High Recycled Binder Ratio (RBR) Asphalt Mixtures	Anticipated	In development
NCHRP 20-45	Scientific Approaches for Transportation Research	Completed
NCHRP 20-46	Systems Approach to Evaluating Innovations for Integration into Highway Practice	Final
NCHRP 20-47(1)	Quality and Accuracy of Positional Data in Transportation	Completed
NCHRP 20-48	Accessibility of Non-English Language Transportation Information	Completed
NCHRP 20-48(01)	Making the Business Case for Translating Non-English Transportation Information	Completed
NCHRP 20-49	Support for LTPP Advisory Structure	Completed
NCHRP 20-50(1)	LTPP Data Analysis: Data Availability and Facilitation	Completed
NCHRP 20-50(10&16)	LTPP Data Analysis: Influence of Design and Construction Features on the Response and Performance of New Flexible and Rigid Pavements	Completed
NCHRP 20-50(10)	LTPP Data Analysis: Factors Affecting the Performance of Flexible and Rigid Pavements	Completed
NCHRP 20-50(14)	LTPP Data Analysis: Significance of "As-Constructed" AC Air Voids to Pavement Performance	Completed
NCHRP 20-50(17)		Final
NCHRP 20-50(18)	LTPP Data Analysis: Significance of As-Constructed Asphalt Pavement Air Voids to Pavement Performance	Completed
NCHRP 20-50(19)	LTPP Data Analysis: Feasibility of Using LTPP Data to Develop Relationships Between Laboratory- and Field-Derived Properties of Unbound Materials	Completed
NCHRP 20-50(2)	LTPP Data Analysis: Relative Performance of Jointed Plain Concrete Pavements with Sealed and Unsealed Joints	Completed
NCHRP 20-50(20)	LTPP Data Analysis: Develop Practical Tools and Procedures to Improve WIM Data Quality	Final	Publication pending. Report to be published as Research Report:WOD-370 and Practical Guide: Report 1070
NCHRP 20-50(21)	Enhancements of Climatic Inputs and Related Models for Pavement ME Using LTPP Climate Tool (MERRA-2)	Final	The remaining tasks will be completed under NCHRP 20-50(21)A.
NCHRP 20-50(21)A	Enhancements of Climatic Inputs and Related Models for Pavement ME Using LTPP Climate Tool (MERRA-2)	Completed	Research is complete. Final report under review.
NCHRP 20-50(22)	LTPP Data Analysis: Feasibility of Using LTPP Data to Improve Use of FWD and Longitudinal Profile Measurements	Final
NCHRP 20-50(22)A	LTPP Data Analysis: Guidelines to Improve Use of FWD and Longitudinal Profile Measurements	Completed
NCHRP 20-50(3&4)	LTPP Data Analysis: Effectiveness of Maintenance and Rehabilitation Options	Completed
NCHRP 20-50(5)	LTPP Data Analysis: Variations in Pavement Design Inputs	Completed
NCHRP 20-50(7&12)	LTPP Data Analysis: Daily and Seasonal Variations in Insitu Material Properties	Completed
NCHRP 20-50(8&13)	LTPP Data Analysis: Factors Affecting Pavement Smoothness	Completed
NCHRP 20-50(9)	LTPP Data Analysis: Feasibility of Using FWD Deflection Data to Characterize Pavement Construction Quality	Completed
NCHRP 20-51(1)	LTPP Product Development: National Workshop on Pavement Smoothness	Completed
NCHRP 20-51(2)	LTPP Product Development: PCC Pavement Practice Manual and Workshop	Completed
NCHRP 20-51(3)	LTPP Product Development: Pavement Smoothness Specification for Approaches to WIM Equipment Sites	Completed
NCHRP 20-52	TRAC PAC2 -- A Hands-on Educational Program	Completed
NCHRP 20-52(01)	Implementing TRAC PAC2 -- A Hands-on Educational Program	Completed
NCHRP 20-53	Using Customer Needs to Drive Transportation Decisions	Completed
NCHRP 20-54		Final
NCHRP 20-55	TRB Study on Future Surface Transportation Agency Human Resource Needs: Strategies for Recruiting, Training, and Retaining Personnel	Completed
NCHRP 20-56	New Services for AASHTO's World Wide Web Site	Final
NCHRP 20-57	Analytic Tools to Support Transportation Asset Management	Completed
NCHRP 20-58	Oversight Panel a Future Strategic Highway Research Program	Pending
NCHRP 20-58(1)	Detailed Planning for Research on Accelerating the Renewal of America's Highways (	Completed
NCHRP 20-58(2)	Detailed Planning for Research on Making a Significant Improvement in Highway Safety ("Safety")	Completed
NCHRP 20-58(3)	Detailed Planning for Research on Providing a Highway System with Reliable Travel Times (	Final
NCHRP 20-58(4)	Detailed Planning for Research on Providing Highway Capacity in Support of the Nation's Economic, Environmental, and Social Goals ("Capacity")	Completed
NCHRP 20-59		Final
NCHRP 20-59(01)	AASHTO Security Research Workshops and Forum	Completed
NCHRP 20-59(02)	Bridge/Tunnel/Highway Infrastructure Vulnerability Workshops	Completed
NCHRP 20-59(03)	Support for the FHWA/AASHTO Blue Ribbon Panel on Bridge and Tunnel Security	Completed
NCHRP 20-59(04)	White Paper on Highway Security Issues for Reauthorization	Completed
NCHRP 20-59(05)	National Needs Assessment for Ensuring Transportation Infrastructure Security	Completed
NCHRP 20-59(06)	Responding to Threats: A Field Personnel Manual	Completed
NCHRP 20-59(06)A&B	System Security Awareness for Transportation Employees	Completed
NCHRP 20-59(07) & 20-59(07)A	Transportation Security Information Clearinghouse & White Paper	Completed
NCHRP 20-59(08)	Emergency Transportation Operations Preparedness and Response Workshop: Adaptations for Rural and International Border Crossing Situations	Completed
NCHRP 20-59(09)	Methods for Determining Transportation and Economic Consequences of Terrorist Attacks	Completed
NCHRP 20-59(10)	Secure Communication Infrastructure	Completed
NCHRP 20-59(11)	Emergency Traffic Operations Management	Completed
NCHRP 20-59(12)	Security and Emergency Response 2003 Survey of State Transportation Agencies	Completed
NCHRP 20-59(14)	Research Support for the AASHTO Special Committee on Transportation Security	Completed
NCHRP 20-59(14)B	Research Support for the AASHTO Special Committee on Transportation Security and Emergency Management (SCOTSEM)	Completed
NCHRP 20-59(14)C	Strategic Plan Implementation Support Services for SCOTSEM	Completed
NCHRP 20-59(16)	Preparation of Educational Materials: Outreach	Completed
NCHRP 20-59(16)A	Security Funding Resources: A Reference Guide for State Transportation Agencies	Completed
NCHRP 20-59(16)B	Security Framework: Fundamentals of Transportation Security for DOTs	Completed
NCHRP 20-59(17)	Guide to Risk Management of Multimodal Transportation Infrastructure	Completed
NCHRP 20-59(18)	Guidelines for Transportation Emergency Training Drills and Exercises	Completed
NCHRP 20-59(19)	Transportation Response Options: Scenarios of Infectious Disease, Biological Agents, Chemical, Biological, Radiological, or Nuclear Exposure	Completed
NCHRP 20-59(21)	Continuity of Operations Plans for Transportation Agencies	Completed
NCHRP 20-59(22)	A Guide to Emergency Quarantine and Isolation Controls of Roads in Rural Areas	Completed
NCHRP 20-59(23)	A Guide to Emergency Response Planning at State Transportation Agencies	Completed
NCHRP 20-59(24)	A Guide to Transportation and Hazards Resources	Completed
NCHRP 20-59(25)	Security Research Plan	Completed
NCHRP 20-59(26)	National Needs Assessment for Ensuring Transportation Infrastructure Security (2009-2015)	Completed
NCHRP 20-59(28)	Security 101: Physical Security Standards for Transportation	Completed
NCHRP 20-59(30)	Incident Command System (ICS) Training for Field Level Transportation Supervisors and Staff	Completed
NCHRP 20-59(30)A	Incident Command System (ICS) Training for Field Level Transportation Supervisors and Staff	Final
NCHRP 20-59(32)	A Transportation Guide for All-Hazards Emergency Evacuation	Completed
NCHRP 20-59(33)	Pre-Event Planning to Support Transportation Infrastructure Recovery	Completed
NCHRP 20-59(34)	Methodologies to Estimate the Economic Impacts of Disruptions to the Goods Movement System	Final	Published as NCHRP Report 732.
NCHRP 20-59(36)	Managing Catastrophic Transportation Emergencies: A Guide for Transportation Executives	Completed
NCHRP 20-59(37)	Debris Management Handbook for Local and State DOTs	Completed
NCHRP 20-59(41)	Legal Definition of 'First Responder'	Completed
NCHRP 20-59(42)	A Guide to Regional Transportation Planning for Disasters, Emergencies, and Significant Events	Completed
NCHRP 20-59(43)	Incorporating Transportation Security Awareness into Routine State DOT Operations and Training	Completed
NCHRP 20-59(44)	A Guide for Public Transportation Pandemic Planning and Response	Completed
NCHRP 20-59(47)	Emergency Exit Signs and Marking Systems for Highway Tunnels	Final
NCHRP 20-59(48)	Effective Practices for the Protection of Transportation Infrastructure from Cyber Incidents	Completed
NCHRP 20-59(50)	Mainstreaming Transportation Hazards and Security Risk Management: CAPTA Update and Implementation	Completed
NCHRP 20-59(51)A	Security 101: A Physical & Cyber Security Primer for Transportation Agencies	Completed
NCHRP 20-59(51)B	A Guide to Emergency Management at State Transportation Agencies, Second Edition	Completed
NCHRP 20-59(51)C	Research Support for Implementing Security, Emergency Management, and Infrastructure Protection at State Transportation Agencies	Completed
NCHRP 20-59(52)	Communications Worker Credentialing Requirements	Completed
NCHRP 20-59(53)	FloodCast: A Framework for Enhanced Flood Event Decision Making for Transportation Resilience	Completed
NCHRP 20-59(53)A	A Guide to Flood Forecasting for Transportation Resilience	Completed
NCHRP 20-59(54)	Transportation System Resilience: Research Roadmap and White Papers	Completed
NCHRP 20-59(55)	Transportation System Resilience: CEO Primer & Engagement	Final
NCHRP 20-59(56)	Support for State DOT Transportation Systems Resilience and All-Hazards Programs	Final
NCHRP 20-60	Performance Measures and Targets for Transportation Asset Management	Completed
NCHRP 20-61	Transportation of Radioactive Waste	Final	Completed and published as National Research Council Report, Going the Distance
NCHRP 20-62	Long-Term Viability of Fuel Taxes for Transportation Finance	Completed
NCHRP 20-63	Performance Measurement Tool Box and Reporting System for Research Programs and Projects	Completed	Final Report Received and Published.
NCHRP 20-63B	Performance Measurement Tool Box and Reporting System for Research Programs and Projects	Active	Research in Progress, website deployed, maintenance ongoing
NCHRP 20-64	XML Schemas for Exchange of Transportation Data (TransXML)	Completed
NCHRP 20-65	Research for the AASHTO Standing Committee on Public Transportation	Active
NCHRP 20-65/Task 13	State Public Transportation Division Involvement in State Emergency Planning, Response, and Recovery	Final	The report has been published as NCHRP Research Results Digest 326.
NCHRP 20-65/Task 14	Current Practice and Future Guidance on the Development of SAFETEA-LU- Required Coordinated Public Transit-Human Services Transportation Plan	Final	Completed--summarized in Research Results Digest 331.
NCHRP 20-65/Task 15	Updated Research Agenda for State DOT Public Transportation Divisions and NCHRP Project 20-65	Final	Research has been completed.
NCHRP 20-65/Task 16	Current State Eligibility Requirements for Grantees to Qualify for Federal Section 5310 and 5311 Funds	Final	The research is completed and will be available as a Web-only document.
NCHRP 20-65/Task 17	Compliance Monitoring Tools	Final	This has been completed and published as NCHRP Research Results Digest 341
NCHRP 20-65/Task 18	State DOT Best Practices for Developing a Title VI Civil Rights Program Document	Final	This research has been completed. Published as NCHRP Research Results Digest 340
NCHRP 20-65/Task 19	Utilization by States of the Flexibility to Transfer Federal Funds Among Eligible Federal Programs	Final	Completed. The final report has been published as RRD 338.
NCHRP 20-65/Task 20	Analysis of Rural Intercity Bus Strategy	Final	Published as Research Results Digest 356
NCHRP 20-65/Task 21	Cost/Benefit Analysis of Converting a Lane for Bus Rapid Transit	Final	Completed. The report has been published as RRD 336.
NCHRP 20-65/Task 22	Cost/Benefit Analysis of Converting a Lane for Bus Rapid Transit	Final	Published as NCHRP Research Results Digest 352
NCHRP 20-65/Task 23	Identification of State and Local Matching Fund Requirements for State Administered Federal, and Non-Federal, Public Transportation Programs	Final	This research is completed and has been published as Research Results Digest 353
NCHRP 20-65/Task 24	State DOT Role in the Implementation of Transportation Demand Management Programs	Final	Published as NCHRP Research Results Digest 348
NCHRP 20-65/Task 25	Evaluate Requirements for the Utilization of Section 5311(f) Funds for Intercity Bus Service	Final	The final report is completed and published as Research Results Digest 356
NCHRP 20-65/Task 26	A Review of Human Services Transportation Plans and Grant Programs	Final	This report is published as Research Results Digest 354
NCHRP 20-65/Task 27	Innovative Financing Techniques and Best Practices for Providing Match on Federal Transit Administration Projects	Final	Completed.
NCHRP 20-65/Task 28	An Analysis of Automated Transit Data Collection and Analysis Processes in State DOT Transit Units and a Toolkit for Next Generation Transit Data Analysis	Final	Completed--Published as NCHRP Research Results Digest 373
NCHRP 20-65/Task 29	Public Transportation Performance Measures: State of the Practice and Future Needs	Final	Research completed. Published as Research Results Digest 361
NCHRP 20-65/Task 30	Local Practices in Developing Coordination Partnerships with Taxicab Companies	Final	Completed. Published as Research Results Digest 366
NCHRP 20-65/Task 31	Transporting Oversize Wheelchairs	Final	Completed.
NCHRP 20-65/Task 32	Models to Support State-owned Park and Ride Lots and Intermodal Facilities	Final	Completed --Published as Research Results Digest 359
NCHRP 20-65/Task 33	Determination of State DOT Financial Auditing Requirements for their Public Transportation Assistance Programs	Final	Completed. Published as Research Results Digest 368
NCHRP 20-65/Task 34	Statewide Transit Goal Setting	Final	Completed. Published as Research Results Digest 358
NCHRP 20-65/Task 35	Development of Appropriate Tools to Evaluate the Efficiency and Effectiveness of Selected Specialized Public Transportation Programs	Final	Completed
NCHRP 20-65/Task 36	Data Needs for Assessing Rural Transit Needs, Benefits, and Levels of Service	Final	Completed. Published as NCHRP Research Results Digest 376.
NCHRP 20-65/Task 37	Best Accounting Practices in Sub-recipient Recording and Reporting of Program Income	Final	Completed.
NCHRP 20-65/Task 38	Estimated Impact of Selected State DOT Cost Reduction Initiatives on the Administration of State Public Transportation Programs	Final	Published as NCHRP Research Results Digest 379
NCHRP 20-65/Task 39	Impacts of the New Health Care Bill on Mass Transit	Completed	Completed. Published as NCHRP Research Results Digest 383.
NCHRP 20-65/Task 40	Construction Management Practices for Rural Projects--An Assessment	Final	Completed-- Published as NCHRP Research Results Digest 381
NCHRP 20-65/Task 41	Survey of State Funding for Public Transportation--Ways to Improve it	Completed	Completed and published as NCHRP Web-Only Document 188.
NCHRP 20-65/Task 42	Rural Public Transportation Strategies for Responding to the Livable and Sustainable Communities Initiative	Final	Completed. Published as NCHRP Research Results Digest 375
NCHRP 20-65/Task 43	Best Practices in the Electronic Administration of Federal and State Transit Grants	Completed
NCHRP 20-65/Task 44	Curriculum for New State DOT Transit Grant Managers in Administering Federal and State Transit Grant Programs	Final
NCHRP 20-65/Task 45	New Small Urbanized Area System: A Guidance Brief	Completed	Completed.
NCHRP 20-65/Task 46	Successful Methods to Acquire and Oversee the Outsourcing of Tasks and Projects Related to State DOT Management of Transit Grant Programs	Completed
NCHRP 20-65/Task 47	MTAP Survey Tool Used to Assess FTA Contractor Performance of State DOT Triennial and Other FTA Reviews--An Update	Completed
NCHRP 20-65/Task 48	Condition of State and Federally Funded Transit Assets	Completed
NCHRP 20-65/Task 49	Impact Assessment Indicators for Administration of Public Transportation Grants	Completed
NCHRP 20-65/Task 50	Strategic Plan for the Standing Committee on Public Transportation	Completed
NCHRP 20-65/Task 51	Approaches To Improving the Grant Approval Processes for Transit Projects	Completed
NCHRP 20-65/Task 52	Selected Indirect Benefits of State Investment in Public Transportation	Completed
NCHRP 20-65/Task 53	Independent Cost Estimates for Design and Construction of Rural and Small Urban Transit Facilities	Final	Published as NCHRP RRD 397
NCHRP 20-65/Task 55	Estimating the Long Term Impacts of MAP-21 on the Nation's Local Rural Transit Bus Infrastructure	Final	Completed--RRD 394
NCHRP 20-65/Task 56	Best Practices in Rural Regional Mobility	Completed
NCHRP 20-65/Task 57	Assessment of State DOT Transit Vehicle Procurement Models	Completed
NCHRP 20-65/Task 58	Documentation of FTA Section 5310 Recipients and Projects Before the Enactment of Moving Ahead for Progress in the 21st Century (MAP-21)	Completed
NCHRP 20-65/Task 59	The Determination of How Federal Section 5316 Funds Were Used Under the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy For Users (SAFETEA-LU) and The Transportation Equity Act For The 21st Century (TEA 21)	Completed
NCHRP 20-65/Task 60	The National Mobility Management Initiative: State DOTs Connecting Users and Rides for Specialized Transportation	Completed	Completed--NCHRP Report 832 Pre-Publication Draft—Subject to Revision
NCHRP 20-65/Task 61	Determine the Degree To Which JARC And New Freedom Activities are Being Continued or Initiated Under Map-21	Completed
NCHRP 20-65/Task 62	The National Perspective –An Assessment of Section 5310 Program Administration Under MAP-21	Completed
NCHRP 20-65/Task 63	DOT Oversight of Facility Projects	Completed	Research completed.
NCHRP 20-65/Task 64	Health and Human Services (particularly Medicaid) Revenue as Match	Completed
NCHRP 20-65/Task 65	Best Practices for State DOTs to Meet Rural Bus Fleet Replacement and Expansion Needs	Completed
NCHRP 20-65/Task 66	States and Local Use of Administrative Resources Provided by the Federal Transit Administration	Completed
NCHRP 20-65/Task 67	Multi-Modal Project Planning	Completed
NCHRP 20-65/Task 68	Successful Mobility Management Practices for Improving Transportation Services in Small Urban and Rural Areas	Completed
NCHRP 20-65/Task 69	Consolidation of Rural Transit Systems	Completed
NCHRP 20-65/Task 70	Cross Modal Investment	Completed
NCHRP 20-65/Task 71	Transit Network Balance; Efficiency and Equity	Completed
NCHRP 20-65/Task 72	Small System Alternative Fuel Strategies	Completed
NCHRP 20-65/Task 73	Best Practices and Marketing to Increase Rural Transit Ridership and Investment	Completed
NCHRP 20-65/Task 74	Best Practices and Tools for Addressing Transportation Needs and Public Transit Demands to Support the Integration of the Olmstead Population In Community Settings	Completed
NCHRP 20-65/Task 75	Baseline Research on Allowable In-Kind and Local Match Sources	Completed
NCHRP 20-65/Task 76	Opportunities for State DOTs (and Others) to Encourage Shared Use Mobility Practices in Rural Areas	Completed
NCHRP 20-65/Task 77	Lessons Learned and Impacts to Date of State DOT Implementation of New Federal Transit Asset Management and Public Transportation Agency Safety Requirements	Completed
NCHRP 20-65/Task 78	Impact of Decline in Volunteerism on Rural Transit Systems	Completed	Completed - Final Report posted to the web.
NCHRP 20-65/Task 79	Program Management Insights for the 5310 Program (Including Sub-Grantee Consolidation and Urban 5310)	Completed	Published as NCHRP Research Results 403.
NCHRP 20-65/Task 80	Capacity Building Options for DOT Transit Staff	Completed	Completed - Final Report posted to the web.
NCHRP 20-65/Task 81	Best Practices in Rural Service Assessment	Completed	Completed - Final Report posted to the web.
NCHRP 20-65/Task 82	Issues Associated with Providing Customized, Client-Based Transportation Services	Completed	Completed - Final Report posted to the web.
NCHRP 20-65B	Research for the AASHTO Standing Committee on Public Transportation	Pending
NCHRP 20-66	Strategic Plan for Transportation Information Management	Completed
NCHRP 20-67	Making Transportation Tunnels Safe and Secure	Completed
NCHRP 20-68	US Domestic Scan Program -- Business Plan	Final	The Domestic Scan Program has been initiated as a continuing NCHRP activity. Refer to NCHRP 20-68A.
NCHRP 20-68(01)	U.S. Domestic Scan Program Pilot	Final	The Doestic Scan Program has been initiated as a continuing activity, NCHRP 20-68A.
NCHRP 20-68A	US Domestic Scan Program - Phase 1	Active	Completion date refers to 3rd phase program, NCHRP Project 20-68D. All scans are listed on this page.
NCHRP 20-68A(02)	US Domestic Scan Program - Phase 2	Final
NCHRP 20-68B	Accelerating the Rate of Innovation Among State DOTs	Final
NCHRP 20-68B(01)	Accelerating the Rate of Innovation Among State DOTs—Tracing Domestic Scan Impacts	Final	The initial project budget and time were extended to enable tracing of impact for additional scans.
NCHRP 20-68C	Research on Innovation Networks--Domestic Scans	Final
NCHRP 20-68D	U.S. Domestic Scan Program (Phase 3)	Active	Phase 3 of the program is planned for 6 years, subject to continued availability of funds and satisfactory performance.
NCHRP 20-68E	Planning and Executing the NCHRP U.S. Domestic Scan Program	Pending
NCHRP 20-69	Guidance for Transportation Project Management	Completed
NCHRP 20-70	Transportation Research Thesaurus Improvements	Completed
NCHRP 20-71	Effective Experimental Design and Data Analysis in Transportation Research	Final
NCHRP 20-72	Tools to Aid State DOTs in Responding to Workforce Challenges	Final	NCHRP supported additional work to develop a prototype web-based implementation of the toolbox.
NCHRP 20-73	Accelerating Transportation Program and Project Delivery: Conception to Completion	Completed
NCHRP 20-74	Developing an Asset-Management Framework for the Interstate Highway System	Completed
NCHRP 20-74A	Development of Service Levels for the Interstate Highway System	Completed
NCHRP 20-75	Implementing Transportation Knowledge Networks	Completed	Project completed
NCHRP 20-76	Guidelines for Conducting a Disparity and Availability Study for the Federal Disadvantaged Business Enterprise Program.	Completed	Completed - final report can be purchased or downloaded at the link below.
NCHRP 20-77	Transportation Operations Training Framework	Final
NCHRP 20-78	Communicating the Value of Research	Completed
NCHRP 20-79	Expansion of the Transportation Research Thesaurus	Completed	The project has been completed and the thesaurus has been updated with AASHTO definitions.
NCHRP 20-81	Guide to Implementing Strategies to Attract and Retain a Capable Transportation Workforce	Completed
NCHRP 20-82	Next Generation Transportation Pooled Fund (TPF) Website	Completed
NCHRP 20-83	Long-Range Strategic Issues Facing the Transportation Industry	Active	For more information, see each individual project in this series.
NCHRP 20-83(01)	Economic Changes Driving Future Freight Transportation	Final	Published as NCHRP Report 750: Volume 1
NCHRP 20-83(02)	Expediting Future Technologies for Enhancing Transportation System Performance	Final
NCHRP 20-83(03)	Long-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway Infrastructure	Completed
NCHRP 20-83(03)A	Long-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway Infrastructure	Completed
NCHRP 20-83(04)	Preparing State Transportation Agencies for an Uncertain Energy Future	Final
NCHRP 20-83(05)	Climate Change and the Highway System: Impacts and Adaptation Approaches	Completed	The final project deliverables are available as NCHRP Report 750, Volume 2.
NCHRP 20-83(06)	Effects of Socio-Demographics on Travel Demand	Completed
NCHRP 20-83(07)	Sustainability as an Organizing Principle for Transportation Agencies	Final
NCHRP 20-83A	Long-Range Strategic Issues Facing the Transportation Industry: December 2010 Workshop Report	Final
NCHRP 20-83B	Communicating the Results of NCHRP Strategic Transportation Issues Research	Active
NCHRP 20-84	Improved Right-of-Way Procedures and Business Practices	Completed	Completed. Published as NCHRP Report 771 with CRP-CD 154
NCHRP 20-85	Renewable Energy Guide for Highway Maintenance Facilities	Completed	The Renewable Energy Guide is available as NCHRP Report 751.
NCHRP 20-86	Attracting, Recruiting, and Retaining Skilled Staff for Transportation System Operations and Management	Completed
NCHRP 20-89	Intellectual Property Management Guide for State Departments of Transportation	Final
NCHRP 20-90	Improving Management of Transportation Information	Final
NCHRP 20-92	Improving Access to International Transportation Research Information	Completed
NCHRP 20-93	Development of a Guide for Transportation Technology Transfer	Final
NCHRP 20-94	Development of a Formalized Process for the Adoption, Development, Maintenance, and Enhancement of TransXML Schemas	Completed	Completed
NCHRP 20-95	Identifying Successful Practices in the FHWA Disadvantaged Business Enterprise (DBE) Program	Completed	Project cancelled; Resumed at NCHRP Project 20-95A
NCHRP 20-95A	Compendium of Successful Practices, Strategies, and Resources in the FHWA Disadvantaged Business Enterprise (DBE) Program	Final	Pubished as NCHRP Report 913
NCHRP 20-96	Leadership Guide for Strategic Information Management for State Departments of Transportation	Final
NCHRP 20-97	Improving Findability and Relevance of Transportation Information	Final	NCHRP Projects 20-97 and 20-97A are included here.
NCHRP 20-98	A Guide to Agency-Wide Knowledge Management for State Departments of Transportation	Final
NCHRP 20-99		Completed
NCHRP 21-03	Instrumentation for Measuring Scour at Bridge Piers and Abutments	Completed
NCHRP 21-04	Sealing Geotechnical Exploratory Holes to Protect the Subsurface Environment	Completed
NCHRP 21-05	Determination of Unknown Subsurface Bridge Foundations	Completed
NCHRP 21-05(2)	Unknown Subsurface Bridge Foundation Testing	Completed
NCHRP 21-06	Corrosion in the Soil Environment: Soil Resistivity and pH Measurements	Completed
NCHRP 21-07	Development of Portable Scour Monitoring Equipment	Completed	NCHRP Report 515 Portable Scour Monitoring Equipment
NCHRP 21-08	Assessment of Innovative Load Testing of Deep Foundations	Completed	NCHRP Web-Only Document 84 Innovative Load Testing Systems
NCHRP 21-09	Intelligent Soil Compaction Systems	Completed	NCHRP Report 676 Intelligent Soil Compaction Systems
NCHRP 21-10	Manual on Subsurface Investigations -- Update	Final	The Final Report is available as NCHRP Web-Only Document 258
NCHRP 21-11	Improved Test Methods and Practices for Characterizing Steel Corrosion Potential of Earthen Materials	Completed
NCHRP 22-05	Develop Performance Standards and Hardware for Low Service Level Guardrail Systems	Completed
NCHRP 22-05A	Warrants for the Installation of Low Service Level Guardrail Systems	Completed
NCHRP 22-06	Roadside Safety Design for Small Vehicles	Completed
NCHRP 22-07	Update of "Recommended Procedures for Safety Performance Evaluation of Highway Appurtenances"	Completed
NCHRP 22-08	Evaluation of Performance Level Selection Criteria for Bridge Railings	Completed
NCHRP 22-09	Improved Procedures for Cost-Effectiveness Analysis of Roadside Safety Features	Completed
NCHRP 22-10	Updated Materials for a Traffic Barrier/Small Sign Support Hardware Guide	Completed
NCHRP 22-11	Evaluation of Roadside Features to Accommodate Vans, Mini-Vans, Pickup Trucks, & 4-Wheel Drive Vehicles	Completed
NCHRP 22-12	Guidelines for the Selection, Installation, and Maintenance of Highway-Safety Features	Completed
NCHRP 22-12(02)	Selection Criteria and Guidelines for Highway Safety Features	Completed
NCHRP 22-12(03)	Recommended Guidelines for the Selection of Test Levels 2 Through 5 Bridge Rails	Completed
NCHRP 22-13	Performance of Roadside Barriers	Completed
NCHRP 22-13(2)	Expansion and Analysis of In-Service Barrier Performance Data and Planning for Establishment of a Database	Completed
NCHRP 22-14	Improvement of the Procedures for the Safety-Performance Evaluation of Roadside Features	Completed
NCHRP 22-14(02)	Improved Procedures for Safety-Performance Evaluation of Roadside Features	Completed
NCHRP 22-14(03)	Evaluation of Existing Roadside Safety Hardware Using Updated Criteria	Completed
NCHRP 22-14(04)	Testing of Cable Median Barrier in a Narrow Ditch	Completed
NCHRP 22-15	Improving the Compatibility of Vehicles and Roadside Safety Hardware	Completed
NCHRP 22-16	Development of an Improved Roadside Barrier System	Completed
NCHRP 22-17	Recommended Guidelines for Curbs and Curb-Barrier Combinations	Completed
NCHRP 22-18	Crashworthy Work-Zone Traffic Control Devices	Completed
NCHRP 22-19	Aesthetic Concrete Barrier and Bridge Rail Designs	Completed
NCHRP 22-20	Design of Roadside Barrier Systems Placed on MSE Retaining Walls	Completed
NCHRP 22-20(02)	Design Guidelines for TL-3 through TL-5 Roadside Barrier Systems Placed on Mechanically Stabilized Earth (MSE) Retaining Walls	Final
NCHRP 22-21	Median Cross-Section Design for Rural Divided Highways	Final
NCHRP 22-22	Placement of Traffic Barriers on Roadside and Median Slopes	Final
NCHRP 22-22(02)	Effectiveness of Traffic Barriers on Non-Level Terrain	Final
NCHRP 22-23	Criteria for Restoration of Longitudinal Barriers	Completed
NCHRP 22-24	Guidelines for Verification and Validation of Crash Simulations Used in Roadside Safety Applications	Completed
NCHRP 22-25	Development of Guidance for the Selection, Use, and Maintenance of Cable Barrier Systems	Completed
NCHRP 22-26	Factors Related to Serious Injury and Fatal Motorcycle Crashes with Traffic Barriers	Final
NCHRP 22-27	Roadside Safety Analysis Program (RSAP) Update	Final
NCHRP 22-28	Criteria for Restoration of Longitudinal Barriers, Phase II	Final
NCHRP 22-29	Performance of Longitudinal Barriers on Curved, Superelevated Roadway Sections	Completed	The project was terminated due to the departure of several key staff.
NCHRP 22-29A	Evaluating the Performance of Longitudinal Barriers on Curved, Superelevated Roadway Sections	Completed
NCHRP 22-29B	Evaluating the Performance of Longitudinal Barriers on Curved, Superelevated Off-Ramps	Completed	Publication decision pending.
NCHRP 22-30	In-Service Performance Evaluation of W-beam End Terminals	Completed	Completed - published as TRB Special Report 323
NCHRP 22-31	Recommended Guidelines for the Selection and Placement of Test Levels 2 through 5 Median Barriers	Final	Published as NCHRP Research Report 996.
NCHRP 22-32	Development of Methods to Evaluate Side Impacts for Next Edition MASH	Completed
NCHRP 22-32A	Development of Methods to Evaluate Side Impacts – Phase II	Active
NCHRP 22-33	Multi-State In-Service Performance Evaluations of Roadside Safety Hardware	Final
NCHRP 22-34	Determination of Zone of Intrusion Envelopes under MASH Impact Conditions for Barrier Attachments	Final	Research is complete. Final Report is published as NCHRP Report 1018
NCHRP 22-35	Evaluation of Bridge Rail Systems to Confirm AASHTO MASH Compliance	Final	Published as NCHRP Research Report 1024
NCHRP 22-36	Synthesis of the Performance of Portable Concrete Barrier Systems	Final
NCHRP 22-36(01)	A Guideline for Connection Details Between Portable Concrete Barrier Segments	Final	NCHRP canceled this project and reallocated project funds to NCHRP Program
NCHRP 22-37	Development of a MASH Barrier to Shield Pedestrians, Bicyclists, and Other Vulnerable Users from Motor Vehicles	Final
NCHRP 22-38	Development of MASH TL-3 Deflection Reduction Guidance for 31-inch Guardrail	Final
NCHRP 22-39	Guardrail Performance at Various Offsets from Curb MASH TL-3 Applications	Final
NCHRP 22-40	Investigation of Material Requirements for Highway Guardrail Specifications	Active	Phase I and II completed. Phase III research in progress.
NCHRP 22-41	Proposed Modification to AASHTO LRFD Bridge Design Specifications, Section 13—Railing	Final	Published as NCHRP Research Report 1109
NCHRP 22-42A	Impact Performance Assessment of Barrier Performance at High Speeds	Active
NCHRP 22-43	Proposed AASHTO Guidelines for Implementation of MASH for Sign Supports, Breakaway Poles, and Work Zone Traffic Control Devices	Active	NCHRP Projects 22-43 and 17-105 are combined. NCHRP Project 22-43 is completed, and research is underway for NCHRP Project 17-105.
NCHRP 22-44	A Transportation Agency Data Collection Practice for Use with In-Service Performance Evaluations (ISPEs)	Final
NCHRP 22-45	Informing the Selection of Countermeasures by Evaluating, Analyzing, and Diagnosing Contributing Factors that Lead to Crashes	Final	Research completed
NCHRP 22-46	Human Factors Guidelines for Road Systems, Proposed 4th Edition	Completed
NCHRP 22-47A	Incorporating Driver Behavior and Characteristics into Safety Prediction Methods	Active	Research in progress
NCHRP 22-48	Development of Crash Prediction Models for Short-Term Durations	Final	Research is complete. Published as NCHRP research Report 1073
NCHRP 22-49	The Effect of Vehicle Mix on Crash Frequency and Crash Severity	Final	Research is complete. Final report and guide published as NCHRP Research Report 1103 and NCHRP WOD 393, respectively
NCHRP 22-50	Crashworthiness of Roadside Hardware on Curbed Roadways	Active
NCHRP 22-51	Impact of Soil Stiffness on the Performance of Crash Testing and Roadside Safety	Active	Research in Progress
NCHRP 22-52	Development of a Crashworthy Tangent End Treatment for Low-Speed and Curbed Roadways	Active
NCHRP 22-53	Delineation of Linear Roadside Hardware Systems and Roadside Obstacles	Active
NCHRP 22-54	MASH Hardware Evaluation with New Proposed Test Vehicles	Active
NCHRP 22-55	Implementation of MASH Surrogate Test Vehicles for Sign Supports, Breakaway Poles, and Work Zone Traffic Control Devices	Active
NCHRP 22-56	Development of Non-proprietary Prefabricated Solutions for Concrete Barrier Systems for Accelerated Bridge Construction	Active	Research In Progress
NCHRP 22-57	Procedures for Development of MASH Full-Scale Test Matrices for Additional Roadside Safety Devices	Active
NCHRP 22-58	National In-Service Performance Evaluation Guidelines for Defining Acceptable Roadside Safety Hardware	Active
NCHRP 22-59	Safety Risks of Occupant Compartment Damage During Crashes	Active	Research in progress
NCHRP 22-60	Guidelines for Crash Testing Roadside Safety Hardware for Motorcycles	Active
NCHRP 22-61	Crashworthiness of Roadside Hardware Impacted by Battery Electric Vehicles	Active
NCHRP 22-62	Tool for Estimating the Deflection of Temporary Traffic Barriers with Reduced Impact Angles	Active
NCHRP 22-63	Verification and Validation Guidelines to Use Computer Simulation as an Alternative to Full-scale Crash Testing	Pending
NCHRP 22-64	Method for Using ISPEs in Crash-Testing Protocols	RFP
NCHRP 22-65	Examination of Current U.S. and EU Crash Test Evaluation Criteria for Sign and Luminaire Support Structures and Work Zone Devices	RFP
NCHRP 22-66	Determining Critical Impact Points and Angles for Assessing Roadside Safety Hardware	RFP
NCHRP 22-67	Investigation and Validation of V-Ditch Traversability Related to Crash Testing Cable Barrier Systems	RFP
NCHRP 23-01	Assessing and Communicating the Economic and Quality of Life Benefits of Transportation Infrastructure Investment	Final
NCHRP 23-02	Guidelines on Collaboration and Information Security for State DOTs	Final
NCHRP 23-03	Guidelines for State Transportation Agency Chief Executive Officers on Cybersecurity Issues and Protection Strategies	Final	Final deliverables are published as NCHRP WOD 355, Volumes 1 and 2
NCHRP 23-04	Statewide Insurance Pooling for Public Transit	Final
NCHRP 23-05	Guidance for Training and Certification of Construction Inspectors for Transportation Infrastructure	Final
NCHRP 23-06	A Guide to Computation and Use of System Level Valuation of Transportation Assets	Final
NCHRP 23-07	Effective Methods for Setting Transportation Performance Targets	Final
NCHRP 23-08	A Guide for Incorporating Maintenance Costs into a Transportation Asset Management Plan	Final
NCHRP 23-09	Scoping Study to Develop the Basis for a Highway Standard to Conduct an All-Hazards Risk and Resilience Analysis	Final
NCHRP 23-10	Evaluation and Synthesis of Connected Vehicle Communication Technologies	Final
NCHRP 23-11	Transportation Emergency Management and Security Summit and Exchange	Active
NCHRP 23-12	Artificial Intelligence Opportunities for State and Local DOTs – A Research Roadmap	Final
NCHRP 23-13	Transportation Research Related to COVID-19	Active	Individual task hyperlinks are available.
NCHRP 23-13(01)	Telecommuting, Remote Work, and Hybrid Schedules: Managing the Shift to a Flexible Work Future	Final
NCHRP 23-13(02)	Employee Safety during COVID-19	Final
NCHRP 23-13(03)	Guide on Truck Rest and Service Areas for Critical Supply Chain Delivery	Pending	Contract pending at this time.
NCHRP 23-13(04)	Scoping Supply Chain Challenges and Solutions amid COVID-19	Active	Research is progress.
NCHRP 23-13(05)	Regulatory Relief of Commercial Vehicle Weight Requirements for Emergency Transportation of Critical Commodities	Final
NCHRP 23-13(06)	Assessing the Equity and Workforce Mobility Implications of the Expansion of E-Commerce and Direct-to-Consumer Delivery Services	Completed	Final deliverables pending
NCHRP 23-14	Research Roadmap for Knowledge Management	Completed
NCHRP 23-15	Guidance on Risks Related to Emerging and Disruptive Transportation Technologies	Completed
NCHRP 23-16	Implementing and Leveraging Machine Learning at State Departments of Transportation	Final
NCHRP 23-17	Assessing and Measuring the Business Value of Knowledge Management	Active
NCHRP 23-18	Incorporating Knowledge Management into DOT Business Practices	Final	This project has been combined with NCHRP 23-21 and is being conducted as NCHRP 23-17
NCHRP 23-19	Practices for Transportation Agency Procurement and Management of Advanced Technologies	Completed	Research is complete. Report and guide to be published as WOD 422 and Research Report 1145, respectively.
NCHRP 23-20	Guidebook for Implementation of UAS Operational Capabilities	Completed	The final deliverables will be published as NCHRP Research Report 1147 and NCHRP Web-Only Document 424
NCHRP 23-21	Enabling Knowledge Management through Leadership Strategy and Culture	Final	This project has been combined with NCHRP 23-18 and is being conducted as NCHRP 23-17
NCHRP 23-22	Alternative Project Delivery Methods: Assessing and Allocating Risk to Increase Competition	Active
NCHRP 23-23	Data Governance Design and Implementation — Links Between Governance Approaches and Performance Effects in DOTs	Final
NCHRP 23-24	Methods to Allow Agencies to Incorporate Quantitative Risk Assessment at Project and Network Level	Active	Research is progress.
NCHRP 23-25	Architecture for an Information System for Reporting and Sharing Truck Regulatory Requirements Data	Active
NCHRP 23-26	Measuring Impacts and Performance of State DOT Resilience Efforts	Active	Research in progress.
NCHRP 23-27	Strategies for Developing and Using Data Ontologies for Data-Driven Decision-Making	Active	Research in progress
NCHRP 23-28	Planning for 4.9 GHz Spectrum Changes — What Transportation Agencies Need to Know	Active	Research in progress
NCHRP 23-29	Transportation Enterprise Data Warehouse Implementation Guide	Active	Research in progress.
NCHRP 23-30	Strategies to Improve Application of Research Results in the Research Life Cycle	Active
NCHRP 23-31	Strategies to Foster Implementation of Knowledge Management	Final	The project was cancelled on 11-17-23.
NCHRP 23-31A	Strategies to Foster the Implementation of Knowledge Management	Active
NCHRP 23-32	Transportation Asset Risk and Resilience	Active	Research In Progress
NCHRP 23-33	Managed Retreat To Address Extreme Weather, Natural Hazards, and Climate Impacts	Active	Research is progress.
NCHRP 23-34	Performance Measures for Community-Centered Transportation Outcomes: A Guide	Active
NCHRP 23-35	A Guide for Program-Level Risk Management Performance Metrics	Active	Research in progress
NCHRP 23-36	Development of a Knowledge Capture Toolkit for State DOTs	Active
NCHRP 23-37	Integrating Performance Management, Risk Management, and Process Improvement: A Guide	Active
NCHRP 23-38	Incorporating Risk Management into Roadway Infrastructure Maintenance Practices	Active
NCHRP 23-39	A Guide to Developing Construction Inspector Career Path Programs	Pending
NCHRP 23-40	Optimizing Maintenance Technician Staffing Levels for Highway Maintenance Fleets	Active
NCHRP 23-41	Using Emerging and Established Technologies for Asset Management: A Guide	Active	Research in Progress
NCHRP 23-42	Scoping Study to Identify Curriculum Development Needs for Workforce Development in Transportation Asset Management	Anticipated	In development
NCHRP 23-43	Build America Buy America Requirements in Utility Relocations: A Guide for Transportation Agencies	Pending
NCHRP 23-44	Improving Relationships Between DOTs and Utility Companies	Pending
NCHRP 23-45	A Knowledge Management Manual for Transportation Agencies	Pending
NCHRP 23-46	AI Integration and Workforce Transformation for State DOTs	RFP
NCHRP 23-47	Guidelines for Pavement Preventive Maintenance Inspector Training	RFP
NCHRP 23-48	A Guide to Assess, Measure, and Communicate the Public Value of Transportation	Pending
NCHRP 23-49	Anticipatory Knowledge Delivery for Transportation Agencies	Pending
NCHRP 24-03	Laboratory Evaluation of Piles Installed with Vibratory Drivers	Completed
NCHRP 24-04	Load Factor Design Criteria for Highway Structure Foundations	Completed
NCHRP 24-05	Downdrag on Bitumen-Coated Piles	Completed
NCHRP 24-06	Expert System for Stream Stability and Scour Evaluation	Completed	NCHRP Report 426 CAESAR: An Expert System for Evaluation of Scour and Stream Stability
NCHRP 24-07	Countermeasures to Protect Bridge Piers from Scour	Completed
NCHRP 24-07(2)	Countermeasures to Protect Bridge Piers from Scour	Completed	NCHRP Report 593 Countermeasures to Protect Bridge Piers from Scour
NCHRP 24-08	Scour at Bridge Foundations: Research Needs	Completed
NCHRP 24-09	Static and Dynamic Lateral Loading of Pile Groups	Completed
NCHRP 24-10	Thermally Sprayed Metallic Coatings to Protect Steel Pilings	Completed
NCHRP 24-11	Guidelines for Geofoam Applications in Embankment Projects	Completed	NCHRP Report 529 Guideline and Recommended Standard for Geofoam Applications in Highway Embankments and Web-Only Document 65 Geofoam Applications in the Design and Construction of Highway Embankments
NCHRP 24-11(02)	Guidelines for Geofoam Applications in Slope Stability Projects	Completed	Research Results Digest. 380: Guidelines for Geofoam Applications in Slope Stability Projects
NCHRP 24-12	Controlled Low-Strength Material For Backfill, Utility Bedding, Void Fill, and Bridge Approaches	Completed
NCHRP 24-12(01)	Controlled Low-Strength Material For Backfill, Utility Bedding, Void Fill, and Bridge Approaches	Completed
NCHRP 24-13	Evaluation of Metal Tensioned Systems in Geotechnical Applications	Completed
NCHRP 24-14	Scour at Contracted Bridge Sites	Completed	NCHRP Web-Only Document 83 Scour at Contracted Bridges
NCHRP 24-15	Complex Pier Scour and Contraction Scour in Cohesive Soils	Completed	NCHRP Report 516 Pier and Contraction Scour in Cohesive Soils
NCHRP 24-15(2)	Abutment Scour in Cohesive Materials	Completed	An unedited, completed final report for this project has been posted on the web with a link to it in the “Product Availability” section of this page. For more information see the “Status” section of this page.
NCHRP 24-16	Methodology for Predicting Channel Migration	Completed	NCHRP Report 533 Handbook for Predicting Stream Meander Migration.
NCHRP 24-17	LRFD Deep Foundation Design	Completed
NCHRP 24-18	Countermeasures to Protect Bridge Abutments from Scour	Completed	Terminated due to PI relocation.
NCHRP 24-18A	Countermeasures to Protect Bridge Abutments from Scour	Completed	NCHRP Report 587 Countermeasures to Protect Bridge Abutments from Scour.
NCHRP 24-19	Environmentally Sensitive Channel- and Bank-Protection Measures	Completed	NCHRP Report 544 Environmentally Sensitive Channel- and Bank-Protection Measures
NCHRP 24-20	Prediction of Scour at Bridge Abutments	Completed	An unedited, completed final report for this project has been posted on the web with a link to it in the “Product Availability” section of this page. For more information see the “Status” section of this page.
NCHRP 24-20(02)	Evaluation of Abutment-Scour Equations from NCHRP Projects 24-15(2) and 24-20 Using Field Data	Completed	Completed. An uncorrected draft, as submitted by the Contractor, is posted on line with a link in the Product Availability section at the bottom of this page.
NCHRP 24-21	LRFD Soil-Nailing Design and Construction Specifications	Completed	NCHRP Report 701: Proposed LRFD Specifications for Soil Nailing Design and Construction.
NCHRP 24-22	Selecting Backfill Materials for MSE Retaining Walls	Completed	Completed. An uncorrected draft, as submitted by the Contractor, will be posted on line with a link in the product availability section at the bottom of this page.
NCHRP 24-23	Riprap Design Criteria, Specifications, and Quality Control	Completed	NCHRP Report 568 Riprap Design Criteria, Recommended Specifications, and Quality Control.
NCHRP 24-24	Criteria for Selecting Numeric Hydraulic Modeling Software	Completed	NCHRP Web-Only Document 106 Criteria for Selecting Hydraulic Models
NCHRP 24-25	Guidelines for Risk-Based Management of Bridges with Unknown Foundations	Completed	NCHRP Web-Only Document 107 Risk-Based Management Guidelines for Scour at Bridges with Unknown Foundations
NCHRP 24-26	Effects of Debris on Bridge-Pier Scour	Completed	NCHRP Report 653: Effects of Debris on Bridge Pier Scour
NCHRP 24-27(01)	Evaluation of Bridge Scour Research: Pier Scour Processes and Predictions	Completed	The project final report is available as NCHRP Web-Only Document 175.
NCHRP 24-27(02)	Evaluation of Bridge-Scour Research: Abutment and Contraction Scour Processes and Predictions	Completed	The project final report is available as NCHRP Web-Only Document 181.
NCHRP 24-27(03)	Evaluation of Bridge-Scour Research: Geomorphic Processes and Predictions	Completed	The project final report is available as NCHRP Web-Only Document 177.
NCHRP 24-28	LRFD Metal Loss and Service-Life Strength Reduction Factors for Metal-Reinforced Systems in Geotechnical Applications	Completed	The project final report is available as NCHRP Report 675.
NCHRP 24-29	Scour at Bridge Foundations on Rock	Completed	NCHRP Report 717: Scour at Bridge Foundations on Rock
NCHRP 24-30	Design Guidelines for Increasing the Lateral Resistance of Highway Bridge Pile Foundations by Improving Weak Soils	Final
NCHRP 24-31	LRFD Design and Construction of Shallow Foundations for Highway Bridge Structures	Final
NCHRP 24-32	Scour at Wide Piers and Long Skewed Piers	Completed
NCHRP 24-33	Development of Design Methods for In-Stream Flow Control Structures	Final	Completed. Published as NCHRP Report 795.
NCHRP 24-34	Risk-Based Approach for Bridge Scour Prediction	Final
NCHRP 24-35	Guidelines for Certification and Management of Flexible Rockfall Protection Systems	Completed	Completed. Published as NCHRP Report 823
NCHRP 24-36	Scour at the Base of Retaining Walls and Other Longitudinal Structures	Final
NCHRP 24-37	Combining Individual Scour Components to Determine Total Scour	Final	Final Research Report is available online as NCHRP Web-Only Document 249
NCHRP 24-38	Development of Bridge Foundation Movement Criteria-- Phase I	Final	NCHRP terminated the awarded contract; The remaining work is completed under NCHRP Project 12-103
NCHRP 24-39	Evaluation and Assessment of Environmentally Sensitive Stream Bank Protection Measures	Completed	Completed. Published as NCHRP Report 822.
NCHRP 24-40	Design Hydrology for Stream Restoration and Channel Stability at Stream Crossings	Final
NCHRP 24-41	Defining the Boundary Conditions for Composite Behavior of Geosynthetic Reinforced Soil (GRS) Structures	Final	NCHRP Web-Only Document 260 is now available.
NCHRP 24-42	Underwater Installation of Filters Systems for Scour and Other Erosion Control Countermeasures	Final	The final report will be published in August 2018
NCHRP 24-43	Relationship Between Erodibility and Properties of Soils	Final	NCHRP Report 915 is now available.
NCHRP 24-44	Guidelines for Managing Geotechnical Risks in Design-Build Projects	Final
NCHRP 24-45	Evaluating Mechanical Properties of Earth Material During Intelligent Compaction	Final	NCHRP Report 933 is now available.
NCHRP 24-46	Development of an Implementation Manual for Geotechnical Asset Management for Transportation Agencies	Final	NCHRP Research Report 903 Volumes 1 and 2 available.
NCHRP 24-47	Revised Clear-Water and Live-Bed Contraction Scour Analysis	Final	Research is complete. Published as Research Report NCHRP 971 and WOD 294 Training Manual.
NCHRP 24-48	Develop a Formula for Determining Scour Depth around Structures in Gravel-bed Rivers	Final	Final report published as NCHRP Research Report 1031.
NCHRP 24-49	Guidelines for Selection and Application of Manning’s Roughness Values in Two-Dimensional Hydraulic Models	Final	The Final Report is published as NCHRP Research Report 1077
NCHRP 24-50	Rewrite of the AASHTO Drainage Manual	Completed	Publication decision pending.
NCHRP 24-51	Effects of Construction Installation Methods on the Design and Performance of Drilled Shaft Foundations	Active	Research in progress.
NCHRP 24-52	Guidelines for Resilient Erosion- and Sediment-Control Practices	Active	Research in progress
NCHRP 25-02	Predicting Stop-and-Go Traffic Noise Levels	Completed
NCHRP 25-03	Guidelines for the Development of Wetland Replacement Areas	Completed
NCHRP 25-04	Determining Economic Impacts on Adjacent Businesses Due to Restricting Left Turns	Completed
NCHRP 25-05	Remote Sensing and Other Technologies for the Identification and Classification of Wetlands	Completed
NCHRP 25-06	Intersection Air Quality Modeling	Completed
NCHRP 25-07	Improving Transportation Data for Mobile Source Emissions Estimates	Completed
NCHRP 25-08	Impact of Highway Capacity Improvements on Air Quality and Energy Consumption	Completed
NCHRP 25-09	Environmental Impact of Construction and Repair Materials on Surface and Ground Waters	Completed
NCHRP 25-09(01)	Environmental Impact of Construction and Repair Materials on Surface and Ground Waters -- Outreach and Training	Completed
NCHRP 25-10	Estimating the Indirect Effects of Proposed Transportation Projects	Completed
NCHRP 25-10(2)	Desk Reference for Estimating the Indirect Effects of Proposed Transportation Projects	Completed
NCHRP 25-11	Development of a Modal-Emissions Model	Completed
NCHRP 25-12	Wet Detention Pond Design for Highway Runoff Pollution Control	Completed	Report not published.
NCHRP 25-13 and 25-13(2)	Assessments of Impacts of Bridge Deck Runoff Contaminants on Receiving Waters	Completed
NCHRP 25-14	Heavy-Duty Vehicle Emissions	Completed
NCHRP 25-15	Short-Term Monitoring for Compliance with Air Quality Standards	Final	Completed and published as NCHRP Report 479
NCHRP 25-16	Guidance for Selecting Compensatory Wetland Mitigation Options	Completed
NCHRP 25-17	Transportation Effects of the 1997 Changes to the National Ambient Air Quality Standards	Final	Completed --- Agency report available on request
NCHRP 25-18	Particulate-Matter (PM2.5 and PM10) Apportionment for On-Road Mobile Sources	Final
NCHRP 25-19	Evaluation of Methods, Tools, and Techniques to Assess the Social and Economic Effects of Transportation Projects	Completed
NCHRP 25-20	Management of Runoff from Surface Transportation Facilities--Synthesis and Research Plan	Completed
NCHRP 25-20(01)	Evaluation of Best Management Practices for Highway Runoff Control	Completed
NCHRP 25-20(02)	Identification of Research Needs Related to Highway Runoff Management	Completed
NCHRP 25-21	Predicting Short-Term and Long-Term Air Quality Effects of Traffic-Flow Improvement Projects	Final
NCHRP 25-22	Technologies to Improve Consideration of Environmental Concerns in Transportation Decisions	Completed	Report available as CRP-CD-14
NCHRP 25-22(02)	Technologies to Improve Consideration of Environmental Concerns in Transportation Decisions	Final
NCHRP 25-23	Environmental Information Management and Decision Support System for Transportation	Completed
NCHRP 25-23(2)	Software for an Environmental Information Management and Decision Support System	Completed
NCHRP 25-24	Monitoring, Analyzing, and Reporting on the Environmental Streamlining Pilot Projects	Final
NCHRP 25-25	Research for the AASHTO Committee on Environment and Sustainability	Final
NCHRP 25-25/Task 001	Synthesis on Data Needs for EA and EIS Documentation	Completed
NCHRP 25-25/Task 002	Transportation Impacts and 'Smart Growth' Initiatives	Completed
NCHRP 25-25/Task 003	Assessment and Mitigation Strategies for Land Development Impacts of Transportation Improvements	Completed
NCHRP 25-25/Task 004	Environmental Stewardship Practices, Policies, and Procedures for Road Construction and Maintenance	Completed
NCHRP 25-25/Task 005	Assessing the Current State of the NEPA Environmental Review Process	Completed
NCHRP 25-25/Task 006	Preparing State DOTs for Implementation of the 8-hour Ozone and PM2.5 Standards	Completed
NCHRP 25-25/Task 007	Evaluation of Mobile Models: MOBILE 6.1, MOBILE 6.2 and MOBILE6/CNG	Completed
NCHRP 25-25/Task 008	Developing Performance Data Collection Protocol for Stream Restoration	Completed
NCHRP 25-25/Task 009	Use of Existing Data in Decision Making	Completed	Cancelled
NCHRP 25-25/Task 010	Alternative Mitigation Strategies/Early Mitigation: Streamlining and Achieving Net Benefits for the Natural Environment	Completed
NCHRP 25-25/Task 011	Secondary/Indirect and Cumulative Effects Analysis	Completed
NCHRP 25-25/Task 012	Design-Build Environmental Compliance Process and Level of Detail Required	Completed
NCHRP 25-25/Task 013	Agency Use and Approach to FHWA Approved Programmatic Agreements	Completed
NCHRP 25-25/Task 014	A Summary of Existing Research on Dam Removal Projects	Completed
NCHRP 25-25/Task 015	Historic Bridges	Completed
NCHRP 25-25/Task 016	State Transportation Agency Strategies to Address NPDES Phase II Requirements	Completed
NCHRP 25-25/Task 017	Assessment of Greenhouse Gas Analysis Techniques for Transportation Projects	Completed
NCHRP 25-25/Task 018	Recommended Approaches to Communicating Air Toxics Issues and Transportation Project-Related Analyses in NEPA Documents	Completed
NCHRP 25-25/Task 019	Historic Bridge Rehabilitation / Replacement Decision Making	Completed
NCHRP 25-25/Task 020	The Role of State DOTs in Support of Transit Oriented Development (TOD)	Completed
NCHRP 25-25/Task 021	Assessment of Geophysical Remote Sensing Opportunities at State Departments of Transportation for Incorporation into Archaeological Investigations	Completed
NCHRP 25-25/Task 022	Land Use Forecasting for Indirect Impacts Analysis	Completed
NCHRP 25-25/Task 023	Environmental performance measurements related to transportation project planning, design, construction, maintenance and operations	Completed
NCHRP 25-25/Task 024	Climate Change and U.S. Transportation	Completed
NCHRP 25-25/Task 025	Modification and Amendment of Environmental Permits on Design-Build Projects	Completed
NCHRP 25-25/Task 026	Integration of Charrette Processes into Project Planning	Final	Cancelled
NCHRP 25-25/Task 027	Project Management and NEPA	Completed	Completed
NCHRP 25-25/Task 028	Reevaluations of NEPA documents	Completed
NCHRP 25-25/Task 029	Best Practices Library from the Environmental Stewardship Practices in Construction and Maintenance Compendium	Completed
NCHRP 25-25/Task 030	Section 404 Permitting and Roadside Ditches as Jurisdictional Waters	Completed	Cancelled
NCHRP 25-25/Task 031	Cost Effective Tools for Achieving PM 2.5 Transportation Air Quality Conformity	Completed	Cancelled
NCHRP 25-25/Task 032	Linking Environmental Resource and Transportation Planning – The Current State of Practice	Final	This project is completed and results are available at the links below.
NCHRP 25-25/Task 033	National Register of Historic Places Eligibility	Completed
NCHRP 25-25/Task 034	Streamlined Carbon Monoxide Hot Spot Screening / Modeling Tool	Completed	Cancelled
NCHRP 25-25/Task 035	Water Quality Analyses for NEPA Documents: Selecting Appropriate Methodologies	Completed	Completed
NCHRP 25-25/Task 036	Recurring Community Impacts	Final	The final report has been submitted to AASHTO
NCHRP 25-25/Task 037	Effective Organizational Structures and Management Practices for Achieving Environmental Stewardship in Transportation Agencies	Final	Final Report sent to AASHTO.
NCHRP 25-25/Task 038	Guide to Use of Tier I Environmental Impact Statements for Transportation Projects	Completed	The draft final report has been accepted and distributed to AASHTO.
NCHRP 25-25/Task 039	Improving Project Environmental Cost Estimates	Final	The project is completed and the final report has been submitted to AASHTO.
NCHRP 25-25/Task 040	New Noise Barrier Products & Noise Barrier Approval Research & Guidelines	Completed	Completed.
NCHRP 25-25/Task 041	Implementation of Community & Cultural Resource Commitments	Final	This project is completed and the final report has been submitted to AASHTO.
NCHRP 25-25/Task 042	Determine alternative calculations for fine particulate emission factors other than AP-42 applicable to calculate re-entrained dust on transportation projects	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 043	Guidance on legal sufficiency criteria for adequate cumulative and secondary impacts analysis in EIS documents	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 044	Development and Implementation of a Transportation and Climate Change Clearinghouse	Final	The clearinhouse has been completed and transferred to the U.S. DOT.
NCHRP 25-25/Task 045	Transportation Program Responses to Greenhouse Gas (GHG) Reduction Initiatives and Energy Reduction Programs	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 046	Compendium of Best Practices for Environmental Compliance and Stewardship at Transportation Maintenance Facilities	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 047	Compendium of Best Practices for Incorporating Environmental Commitments into Transportation Project Construction Contract Documents	Final	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 048	Compendium of Environmental Fieldwork Technologies	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 049	Effective Practices for Considering Historic Preservation in Transportation Planning and Early Project Development	Final	Completed and final report sent to AASHTO SCOE.
NCHRP 25-25/Task 050	Finding the Carrot Instead of the Stick - Incentive-based Approaches for Environmental Compliance	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 051	Asset Management of Environmental Mitigation Features	Final	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 052	Informational Requirements for Jurisdictional Determinations to be Issued by the Army Corps of Engineers (Corps) Under the Clean Water Act (CWA)	Final	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 053	Stormwater Treatment with Vegetated Buffers	Final	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 054	Evaluate Colorado's Area-wide Cumulative Effects Assessment (ACEA) Methodology as a Mechanism for Cumulative Impacts Analysis of Regional Transportation Plans	Final	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 055	Design, Organize and Implement a Training Program for Mainstreaming Environmental Stewardship and Enhancement Activities into Planning and Project Development	Final	The project has been completed and the final report submitted to AASHTO.
NCHRP 25-25/Task 056	Cost and Benefit of Transportation Specific MS4 and Construction Permitting	Final	Final report submitted to AASHTO SCOE
NCHRP 25-25/Task 057	Integrated State and Local Government Policy Approaches to Transportation and Climate	Final	Completed - Final Report sent to AASHTO
NCHRP 25-25/Task 058	Methods to Address Greenhouse Gas Emissions from Transportation Construction/Maintenance/Operations Activities	Final	Completed and submitted to AASHTO SCOE
NCHRP 25-25/Task 059	Evaluate the Interactions between Transportation-Related Particulate Matter, Ozone, Air Toxics, Climate Change, and Other Air Pollutant Control Strategies	Final	Final Report submitted to AASHTO SCOE.
NCHRP 25-25/Task 060	Increased Use of Environmentally Preferable, Non-Toxic Products to Reduce Costs, Liabilities, and Pollution at DOT Offices, Maintenance Facilities and Rest Stops	Final	Final Report submitted to AASHTO.
NCHRP 25-25/Task 061	Best Practices for Establishing and Maintaining Statewide Cultural Resource Databases at State DOTs	Final	Final Report submitted to AASHTO SCOE
NCHRP 25-25/Task 062	Improving the Effectiveness of Outreach to Traditional and Non-Traditional Groups by Integrating the Expertise of Existing and Emerging Citizen Coalitions into Transportation Analysis and Decision Making	Final	Final Report submitted to AASHTO SCOE
NCHRP 25-25/Task 063	Transportation Corridor Environmental Management Framework	Final	The project has been completed and the final report submitted to AASHTO
NCHRP 25-25/Task 064	Feasibility Study of Using Solar or Wind Power for Transportation Infrastructure	Final	Completed. Final Report Submitted to AASHTO SCOE.
NCHRP 25-25/Task 065	Synthesis of Greenhouse Gas Emission Inventory Methodologies for State Transportation Departments	Final	Completed. Final report submitted to AASHTO.
NCHRP 25-25/Task 066	Best Practices and Lessons Learned on the Preservation and Rehabilitation of Historic Bridges	Completed	Final report delivered to AASHTO SCOE
NCHRP 25-25/Task 067	Optimizing Conservation and Improving Mitigation Cost/Benefit	Final	Completed. Final Report submitted to AASHTO SCOE
NCHRP 25-25/Task 068	Implementing Measures to Reduce Highway Impacts on Habitat Fragmentation	Final	Completed and Final report submmited to AASHTO SCOE
NCHRP 25-25/Task 069	Identification of Tools and Techniques to Define Community Context as Part of the Transportation Project Planning and Development Process	Completed	Final Report submitted to AASHTO SCOE
NCHRP 25-25/Task 070	Assessment of Quantitative Mobile Source Air Toxics in Environmental Documents	Completed	Completed and report submitted to AASHTO SCOE
NCHRP 25-25/Task 071	Templates for Project-Level Analyses Using MOVES and AERMOD	Completed	Completed and report submitted to AASHTO SCOE
NCHRP 25-25/Task 072	Current Practices to Address Construction Vibration and Potential Effects to Historic Buildings Adjacent to Transportation Projects	Completed	Completed and report submitted to AASHTO SCOE
NCHRP 25-25/Task 073	Improved Environmental Performance of Highway Maintenance	Completed	Completed and final report submitted to AASHTO SCOE
NCHRP 25-25/Task 074	Meeting the New EPA Effluent Limitations Guideline for Construction Site Discharge Turbidity: Effectiveness of Different Turbidity Control Systems and Monitoring Methods	Completed	Completed and submitted to AASHTO SCOE
NCHRP 25-25/Task 075	Nationwide Evaluation of Transfer of Compensatory Wetland Creation Sites for Transportation Projects to Private Conservation Organizations or Government Conservation Agencies	Completed	Completed. Report Submitted to AASHTO SCOE
NCHRP 25-25/Task 076	Synthesis of Climate Change and Transportation Research Efforts at State DOTs, State Universities, and the Federal Level	Final	Completed. Final Report submitted to AASHTO SCOE.
NCHRP 25-25/Task 077	Strategic Options of Inventorying and Updating Environmental Guidance and Links	Completed	Completed and final report submitted to AASHTO SCOE
NCHRP 25-25/Task 078	Programmatic Agreements for Project-Level AirQuality Analyses Using MOVES, CAL3QHC/R and AERMOD	Completed	Completed--final deliverables available for AASHTO use
NCHRP 25-25/Task 079	Successful Practices for Effective Tribal Consultation	Completed	Completed and report submitted to AASHTO SCOE
NCHRP 25-25/Task 080	Potential Use of Social Media Impact in the NEPA Process	Completed	Report completed and submitted to AASHTO SCOE
NCHRP 25-25/Task 081	Federal Compliance for Projects Utilizing Alternative Funding Strategies	Completed	Completed and report submitted to AASHTO SCOE
NCHRP 25-25/Task 082	Permeable Shoulders with Stone Reservoirs	Completed	Completed and report submitted to AASHTO SCOE
NCHRP 25-25/Task 083	Current Practice of Post- Construction Structural Stormwater Control	Completed	Completed and final report submitted to AASHTO SCOE
NCHRP 25-25/Task 084	Development of Construction Guidelines for Wildlife Fencing and Associated Escape and Lateral Access Control Measures	Completed	Final deliverable available for AASHTO use
NCHRP 25-25/Task 085	Nutrient (Nitrogen/Phosphorous) Management and Source Control	Completed	Final deliverables available for AASHTO use
NCHRP 25-25/Task 086	Toxicological Effects of Chloride Based Deicers in the Natural Environment	Completed	Completed
NCHRP 25-25/Task 087	Coordination of Section 106 and Long Range Transportation Planning	Completed	Final deliverables available for AASHTO use
NCHRP 25-25/Task 088	Giving Away the Bridge: A National Synthesis of on Transferring Ownership of Historic Bridges	Completed	Final deliverables available for AASHTO use
NCHRP 25-25/Task 089	Establishing Representative Background Concentrations for Quantitative Hot-spot Analyses for Particulate Matter	Completed	Final deliverables available for AASHTO use
NCHRP 25-25/Task 090	Application of Geographic Information Systems (GIS) for Historic Properties	Final
NCHRP 25-25/Task 091	Synthesis of Transportation Exclusions to Section 106 Review	Completed	Final deliverables available for AASHTO use
NCHRP 25-25/Task 092	Transferability of Post-Construction Stormwater Quality BMP Effectiveness Studies	Completed	Completed--Final deliverables available for AASHTO use
NCHRP 25-25/Task 093	Long-Term Construction and Maintenance Cost Comparison for Road Stream Crossing Hydraulic Design vs. Bankfull Width Design	Final
NCHRP 25-25/Task 094	Integrating Climate Change and Extreme Weather Into Transportation Asset Management Plans	Final
NCHRP 25-25/Task 095	SCOE Strategic Plan and Research Plan for SCOE Areas of Interest	Completed	Completed--Final deliverable available for AASHTO use
NCHRP 25-25/Task 096	Quick Reference Guide for Traffic Modelers for Generating Traffic and Activity Data for Project-Level Air Quality Analyses	Final
NCHRP 25-25/Task 097	Historic Roads: A Synthesis of Identification and Evaluation Practices	Final
NCHRP 25-25/Task 098	Practical Guide for Developing Effective Scopes of Work for the Geophysical Investigation of Cemeteries	Final
NCHRP 25-25/Task 099	Lessons Learned from State DOT NEPA Assumption	Final
NCHRP 25-25/Task 100	Compilation of Existing Data on Northern Long-Eared and Other Cave-Dwelling Bat Habitat and the Roadside Environment	Final	Project cancelled
NCHRP 25-25/Task 101	Stormwater Monitoring Program Goals, Objectives and Protocols for State Departments of Transportation	Final
NCHRP 25-25/Task 102	Artificial Bat Roost Mitigation Designs and Standardized Monitoring Criteria	Final
NCHRP 25-25/Task 103	Administration of Categorical Exclusions by State Departments of Transportation under NEPA	Final
NCHRP 25-25/Task 104	Streamlining Carbon Monoxide Project-Level Air Quality Analyses with Programmatic Agreements	Final
NCHRP 25-25/Task 105	A Guidebook for Communications between Transportation and Public Health Communities	Final
NCHRP 25-25/Task 106	Highway Noise and Historic Properties: A National Review of Effects and Mitigation Practices	Final
NCHRP 25-25/Task 107	Section 106 Delegation Programmatic Agreements: Review and Best Practices	Final
NCHRP 25-25/Task 108	Creating Lookup Tables to Streamline the Determination of Emission Reductions for CMAQ Projects	Final
NCHRP 25-25/Task 109	Successful Practices for Environmental Commitments in Public/Private Partnerships (P-3) and Design-Build (D-B) Contracts	Final
NCHRP 25-25/Task 110	Review of Historic Property Identification Surveys and Strategies for Managing Post-World War II Housing in Transportation Projects	Final
NCHRP 25-25/Task 111	Environmental Management System Perspectives For State DOTs	Final
NCHRP 25-25/Task 112	Enhancing the International Stormwater BMP Database to Serve as a Highway Specific BMP Database	Final	Cancelled.
NCHRP 25-25/Task 113	Road Passages and Barriers for Small Terrestrial Wildlife: Summary and Repository of Design Examples	Final
NCHRP 25-25/Task 114	Integrating Tribal Expertise into Processes to Identify, Evaluate, and Record Cultural Resources	Final
NCHRP 25-25/Task 115	Estimates of Emissions Reductions from Future Fleet Changes for Use in Air Quality Models	Final
NCHRP 25-25/Task 116	Potential Section 106 Exempted Categories or Program Comments for Federal Highway Administration Projects: National Streamlining Opportunities	Final
NCHRP 25-25/Task 117	Valuing Wildlife Crossing Enhancements for Mitigation Credits	Final
NCHRP 25-25/Task 118	Context-Sensitive Design Options for Workhorse Bridges in Rural Historic Districts	Final
NCHRP 25-25/Task 119	Enhancing the International Stormwater BMP Database to Serve as a Highway Specific BMP Database	Final
NCHRP 25-25/Task 120	Use of the State Department of Transportation Portal to the International Stormwater BMP Database	Final
NCHRP 25-25B	Research for the AASHTO Standing Committee on the Environment	Active
NCHRP 25-27	Evaluation of the Use and Effectiveness of Wildlife Crossings	Completed
NCHRP 25-28	Predicting and Mitigating Hydroacoustic Impacts on Fish from Pile Installation	Completed	The final report has been published as Research Results Digest 363.
NCHRP 25-29	Developing Design and Management Guidelines for Historic Road Corridors	Completed
NCHRP 25-29A	Guidelines for Design and Management of Historic Roads	Completed	The project final report is available as NCHRP Web-Only Document 189.
NCHRP 25-30	Temporary Bridging to Avoid or Minimize Impacts to Waters and Wetlands During Highway Construction	Final	The results of this study have been published in NCHRP Research Results Digest 330 .
NCHRP 25-31	Guidelines for Evaluating and Selecting Modifications to Existing Roadway Drainage Infrastructure to Improve Water Quality in Ultra-Urban Areas	Completed
NCHRP 25-32	Measuring and Removing Dissolved Metals from Storm Water in Highly Urbanized Areas	Completed	Research completed; to be published as NCHRP report 767
NCHRP 25-33	Evaluating Methodologies for Visual Impact Assessments	Final	Final report published as Report 741
NCHRP 25-34	Supplemental Guidance on the Application of FHWA's Traffic Noise Model (TNM)	Final
NCHRP 25-35	Guidebook for Designing and Managing Rights-of-Way for Carbon Sequestration and Biomass Generation	Completed	Completed. Published as NCHRP Report 804 with CRP-CD-165
NCHRP 25-36	Impacts of Land Use Strategies on Travel Behavior in Small Communities and Rural Areas	Final	Agency's Handbook is available as NCHRP Web-only Document 211
NCHRP 25-37	A Watershed Approach to Mitigating Stormwater Impacts	Final
NCHRP 25-38	Input Guidelines for Motor Vehicle Emissions Simulator Model	Final	Final deliverables are available as individual volumes of NCHRP Web-only Document 210
NCHRP 25-39	Environmental Performance Measures for State Departments of Transportation	Final
NCHRP 25-40	Long-Term Performance and Life-Cycle Costs of Stormwater Best Management Practices	Completed	Final report published as NCHRP Report 792.
NCHRP 25-41	Guidance for Achieving Volume Reduction of Highway Runoff in Urban Areas	Completed
NCHRP 25-42	Bridge Stormwater Runoff Analysis and Treatment Options	Final
NCHRP 25-43	Navigating Multi-Agency NEPA Processes to Advance Multimodal Transportation Projects	Final
NCHRP 25-44	Field Evaluation of Reflected Noise from a Single Noise Barrier	Final
NCHRP 25-45	Mapping Heavy Vehicle Noise Source Heights for Highway Noise Analysis	Completed
NCHRP 25-46	Deploying Clean Truck Freight Strategies	Final	Published as NCHRP Report 862
NCHRP 25-47	How to Measure and Communicate the Value of Access Management	Final
NCHRP 25-48	Combined Interface for Project Level Air Quality Analysis	Final
NCHRP 25-49	Development of a Highway Construction Noise Prediction Model	Final	Complete. Final report available on project webpage and FHWA website.
NCHRP 25-50	Prioritization Procedure for Proposed Road-Rail Grade Separation Projects along Specific Rail Corridors	Final	Published as NCHRP Report 901
NCHRP 25-51	Limitations of the Infiltration Approach to Stormwater Management in the Highway Environment	Final	Published as NCHRP Research Report 922
NCHRP 25-52	Meteorological Effects on Roadway Noise	Final
NCHRP 25-53	Approaches for Determining and Complying with TMDL Requirements Related to Roadway Stormwater Runoff	Final
NCHRP 25-54	Field Testing of BMPs Using Granulated Ferric Oxide Media to Remove Dissolved Metals in Roadway Stormwater Runoff	Final
NCHRP 25-55	Assessment of Regulatory Air Pollution Dispersion Models to Quantify the Impacts of Transportation Sector Emissions	Final
NCHRP 25-56	Methods for State DOTs to Reduce Greenhouse Gas Emissions from the Transportation Sector	Final
NCHRP 25-57	Breaking Barriers: Alternative Approaches to Avoiding and Reducing Highway Traffic Noise Impacts	Final
NCHRP 25-58	Commercial Properties from 1945 to 1980: Guidance for State DOTs and Their Partners for Historic Context Development, Identification, and Evaluation	Final	Project cancelled.
NCHRP 25-59	Pollinator Habitat Conservation Along Roadways	Final
NCHRP 25-60	Watershed Approach to Mitigating Hydrologic Impacts of Transportation Projects	Final
NCHRP 25-61	Development of On-Bridge Stormwater Treatment Practices	Final
NCHRP 25-62	Improving the Efficiency and Consistency of Section 106 Compliance for State DOTs: Strategies for Project-Level Programmatic Agreements and Postwar Commercial Properties	Final
NCHRP 25-63	Handbook on Deterring and Excluding Bats from Transportation Structures	Active	Research in progress
NCHRP 25-64	Considering Greenhouse Gas Emissions and Climate Change in Environmental Reviews: Resources for State DOTs	Final	Published as NCHRP WebResource 3 and NCHRP Web-Only Document 400 on 7/15/2024
NCHRP 25-65	Preparing Successful No-Effect and No-Adverse-Effect Section 106 Determinations: A Handbook for Transportation Cultural Resource Practitioners	Completed	In publication process
NCHRP 25-66	Reviewing the REMEL Noise Database to Accommodate the Current Vehicle Fleet	Active
NCHRP 25-67	Guide to Mitigation of Adverse Effects on Cultural Resources	Active
NCHRP 25-68	Documenting and Verifying Environmental Commitments	Active
NCHRP 25-69	Guide to Increasing and Sustaining Native Flora in Roadside Vegetation	Active	Research in progress
NCHRP 25-70	Evaluating Carbon Reduction in Project Selection and Planning	Pending
NCHRP 25-71	Prevention and Control of Wildfires Through Roadside Vegetation Management	Pending
NCHRP 25-72	Field Methods and Interlaboratory Tests to Establish the Accuracy and Precision of Measured Concentrations of Emerging Contaminants in Stormwater Runoff and Stormwater-Treatment System Effluent	Anticipated	In development
NCHRP 25-73	Guide to Managing Community Impacts During Construction	RFP
NCHRP 25-74	Evaluating the Effects of Transportation Investments on Greenhouse Gas Emissions	RFP
NCHRP 25-75	Simplified Methodology for Risk-Based Air Quality Assessments of NEPA Alternatives	Anticipated	In development
NCHRP 70-01	Private-Sector Provision of Congestion Data	Completed
NCHRP IDEA 20-30/IDEA 001	Development of a Full-Scale Prototype for On-Line Real-Time Measurement and Control of Aggregate Gradation in Asphalt Plants	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 002	Development of a Method for Measuring Water Stripping Resistance of Asphalt-Siliceous Aggregate Mixtures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 003	Development of Guidelines for Low-Cost Sprayed Zinc Galvanic Anode for Control of Corrosion of Reinforcing Steel in Marine Bridge Substructures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 004	Replacing Latex with Asphalt Emulsion	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 005	Investigation of Magnetic Resonance Technology	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 006	Composite Pavement Layer	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 007	Strategy for Coating Structural Steel without Stringent Blasting Requirements	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 008	Conservation Traffic Control Load Switch	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 009	Corrosion-Resistant Steel Reinforcing Bars	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 010	Low-Cost Corrosion Resistant Coating for Steel Rebars and Components	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 011	Rehabilitation of Steel Bridges through the Application of Advanced Composite Materials	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 012	Advanced Testing of an Automatic NDE System for Highway Pavement Surface Condition Assessment	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 013	New Additives for Improved Durability of Concrete and Prevention of Reinforcing Corrosion	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 014	Unreinforced, Centrally Prestressed Concrete Columns and Piles	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 015	A Road Crew Portable Laser Warning System Concept Development and Demonstration	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 016	Laser Removal of Paint on Pavement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 017	Development of a Self-Contained Portable Device for SHRP Binder Testing: Field QC/QA Testing with the Duomorph	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 018	Development of New Principles of Design of Tools for Repair and Removal of Pavements based on the Effect of Lateral Propagation of Cracks under Contact Loading	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 019	Aluminum Bronze Alloy for Corrosion Resistant Rebar	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 020	Carbon Dioxide Cleaning (Dry Ice)-Removing Highway/Road Markings and Stripes	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 021	The Development of Light Emitting Delineation System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 022	Use of Phase Change Materials to Prevent Overnight Freezing of Bridge	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 023	Paint Removal from Steel Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 024	Development of a Novel Fiber Optic Strain Sensor System for Long-Term Monitoring of Highway Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 025	Advanced Concept Concrete Using Basalt Fiber Composite Reinforcement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 026	Conservation Control Load Switch Operational Tests	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 027	Automated Bridge Deck Anti- and De-Icing System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 028	New Corrosion-Resistant Low Carbon Dual Phase Steels for Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 029	Superelasticity-Based Rehabilitation and Post-Tensioning of Bridge Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 030	Rapid Replacement Composite Bridge No. 1	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 031	Cost-Effective Microwave Sensing of Highway Road Conditions	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 032	Testing and Deployment of a Cost-Effective and Real-Time Asphalt Pavement Quality Indicator System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 033	Evaluation of New Rehabilitation Technology for Bridge Piers with Composite Materials	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 034	The Highway Guardrail Infrastructure: Safer Terminal Design	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 037	In-Service Repair of Highway Bridges and Pavements by Internal Time-Release of Repair Chemicals	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 038	Paint Removal from Steel Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 040	Loading Attributes of Truck in Motion Using Bridge Strain Data	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 041	Duomorph Asphalt Rheology Tester	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 042	Dual Core Fiber Optics Weigh-in Motion System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 043	Robotic System for Underwater Bridge Inspection and Scour Evaluation	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 044	Real Time Microwave Asphalt Pavement Quality Sensor	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 045	Performance Evaluation of Basalt Fibers and Composite Rebars as Concrete Reinforcement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 046	Testing and Evaluation of Fiber-Reinforced Polymer Honeycomb Composite Panels in Bridge Deck Applications	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 047	Pavement Quality Indicator -- Field Operational Testing and Marketing Development	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 048	Field Trials of Superelasticity-Based Bridge Rehabilitation System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 049	Operational Testing of Roadwriter System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 050	Adaptation of Intrinsically Damping Fillers for Suppression of Bridge Stay Cable	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 051	Application of Advanced Composites to Steel Bridge Retrofitting	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 052	Environmentally Friendly Passivating Coatings for Rebar	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 054	A Novel Approach for Predicting the Remaining Life of Concrete Bridge Structure	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 055	Design, Development, and Verification of an Advanced In-Situ Shear Strength Test Facility for Asphalt Concrete Pavements	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 056	Bridge Inspection with Serpentine Robots	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 057	Landslide Stabilization Using Wick Drains	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 058	Long Gage-Length Interferometric Fiber Optic Sensors for Condition Assessment of Bridge Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 059	Control System for Live Load and Live Load Effects on Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 060	Product Application of a Hybrid-Composite Bridge Beam System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 061	Development of an Automated Continuous Pavement Thickness Density Meter	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 062	A new Technique for Characterizing Pavement Surface Profiles and Textures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 063	Manufacture and Testing of a Filament Wound Composite Bridge Superstructure	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 064	Quantitative Characterization of Asphalt Concrete Using High Resolution X-Ray Computer Tomography	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 065	Application of Shape Memory Alloys in Seismic Rehabilitation of Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 066	Development of an Innovative Connector System for Fiber-Reinforced Polymer Bridge Deck to Steel Stringer	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 067	An All Composite Bridge Sidewalk	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 068	Geocomposite Capillary Barrier Drain for Limiting Moisture Changes in Pavement Subgrades and Base Courses	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 069	Conductivity Spectrum Probe for Predicting Chloride Penetration in Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 070	Flamespray Coating as an Environmentally Acceptable Pavement Marking Technique	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 071	Field Implementation of Tuned Dampers for Suppression of Bridge Stay Cable Vibrations	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 072	Improved Filtration of Wash Water Generated during Bridge Maintenance Painting	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 073	Development of a Screed to Detect and Measure Segregation in HMA Pavements	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 074	Adhesion Tool for Overcoating Risk-Reduction Analysis	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 075	Automated Mobile Highway Sign Retroreflectivity Measurement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 076	Stabilization of Landslides Using Wick Drains - Field Trials and Implementation	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 077	The Development of a Computer-Controlled Image Analysis System for Measuring Aggregate Shape Properties	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 078	Aggregate Shape Characterization Using Digital Image Processing	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 079	Concrete Recycler Final Machine Development through Prototype Build and Test	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 080	Development of a Generic Connector System for Attaching Conventional Bridge Rails to RFP Composite Bridge Decks	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 081	Automated Real-Time Pavement Crack Deflection/Classification System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 082	Development and Field Verification of Torsional Cylindrical Impulse Shear Test	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 083	Development of a Wide Area Optical Surface Contamination Detection System for Public Transportation Applications	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 084	Mechanics-Based Asphalt Binder Test Method for Low Temperature Performance Prediction	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 085	Waterproofing Concrete Highways	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 086	Basalt Fiber Composite Rebar for Concrete Reinforcement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 087	An In-Situ Shear Strength Test Facility for Asphalt Concrete Pavements	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 088	Automated Pavement Distress Survey through Stereovision	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 089	US-Specific Self-Compacting Concrete for Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 090	Robotic Safety Markers	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 091	Application of Shape Memory Alloys in Seismic Rehabilitation of Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 092	Development of an Adaptive Damper for Cable Vibration Control	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 093	Advanced Traffic Sensor for Work Zone and Incident Management Systems	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 094	Liquefaction Mitigation Using Vertical Composite Drains: Full Scale Testing	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 095	Concrete Road Recycler	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 096	Algorithm for Using Ultrasound of MHz Frequency for Testing Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 097	Fiber-Reinforced Plastics for Seismic Bridge Restrainers	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 098	Void Detection in Post-Tensioning Ducts Using Time-Domain Reflectometry	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 099	Development of Asphalt Binder Cracking Device	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 100	Evaluation of Al-Zn-In Alloy for Galvanic Cathodic Protection of Bridge Decks	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 101	Active Heating Infrared Thermography for Detection of Subsurface Bridge Deck Deterioration	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 102	Nondestructive Evaluation Method for Determination of Internal Grout Conditions inside Bridge Post-Tensioning Ducts using Rolling Stress Waves	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 103	Liquefaction Mitigation Using Vertical Composite Drains: Full-Scale Testing for Pile Applications	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 104	Development of a Fracture Mechanics-Based Asphalt Binder Test Method for Low Temperature Performance Prediction	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 105	Evaluation of New Methods to Measure Water-To-Cement Ratio of Fresh Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 106	Pavement Performance Evaluation and Prediction using Automated Real-Time Crack Detection Classification System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 107	Mobile Geophysical Technology: A Subsurface Scoping Tool for Reducing Unforeseen Roadblocks in Project Delivery	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 108	3D-Centric Model for Integrated Design and Construction of Highway Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 109	Smart Antenna Array for NDE of FRP-Wrapped Concrete Bridge Members	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 110	A 3-D Specimen and Multiple Functional Digital Tester for Performance Evaluation of Asphalt Mixes	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 111	Automated Pavement Distress Survey through Stereovision Field Evaluation and Implementation	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 112	Cone Penetrometer Equipped with Piezoelectric Sensors for Measurement of Soil Properties in Highway Pavement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 113	Geocomposite Capillary Barrier Drain for Limiting Moisture Changes in Pavements: Product Application	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 114	A Methodology for Predicting Pavement Microtexture using Image Analysis of Aggregate Shape	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 115	Development of a Second Generation Detection Control System for Safer Operation of High-Speed Signalized Intersections	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 116	Seismic Response of Bridge Columns with Engineered Cementitious Composites and Shape Memory Alloys in Plastic Hinge Zone	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 117	Self-Powered Sensors and Actuators for Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 118	The BCD: A New Instrument for Compaction Control	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 119	Three-Dimensional Digital Imaging for the Identification, Evaluation, and Management of Unstable Highway Slopes	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 120	Active Sensing for Online Highway Bridge Monitoring	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 121	Use of Image Pattern Recognition Algorithms for Processing Video Log to Enhance Roadway Infrastructure Data Collection	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 122	A 3-D Specimen and Multiple Functional Digital Tester for Performance Evaluation of Asphalt Mixes	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 123	Long-Term Remote Sensing System for Bridge Piers	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 124	Novel Fiber Optic Sensors for Monitoring Bridge Structural Integrity	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 125	An Autonomous and Self-Sustained Sensing System to Monitor Water Quality Near Highways	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 126	Developing Time Domain Reflectometry (TDR) Instrument for Fresh Concrete and Early Stage Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 127	Instrumentation to Aid in Steel Bridge Fabrication	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 128	Underwater Fiber-Reinforced Polymer Repair of Corroding Piles Incorporating Cathodic Protection	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 129	Developing Embedded Wireless Strain/Stress/Temperature Sensors Platform for Highway Applications	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 130	Rapid, Self-Contained in Situ Permeameter for Field QC/QA of Pavement Base/Subbase Materials	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 131	Smart Sensor for Autonomous Noise Monitoring	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 132	Vehicle-Mounted Bridge Deck Scanner	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 133	Development of a Simple Test to Determine the Low Temperature Creep Compliance of Asphalt Mixtures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 134	Investigation of a Full-Lane Acoustic Scanning Method for Bridge Deck NDE	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 135	Active Confinement of Bridge Piers Using Shape Memory Alloys	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 136	Development of a Second Generation Neutron-Based Detector for Chloride in Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 137	Real-Time Remote Evaluation of Post-Event Residual Capacity of Highway Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 138	Scanning Capacitive Arrays for Real-Time, In-Situ Imaging of Density and Thickness in HMA Roadways	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 139	Development of Sensing Methodology for Intelligent and Reliable Work Zone Hazard Awareness	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 140	Computer Vision Traffic Sensor for Fixed and Pan-Tilt-Zoom Cameras	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 141	Reducing Fatigue in Wind-Excited Traffic Signal Support Structures using Smart Damping Techniques	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 142	A Shape Memory Polymer Based Self-Healing Sealant for Expansion Joint	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 143	The Guayule Plant: A Renewable Domestic Source of Binder Materials for Flexible Pavement Mixtures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 144	An Acoustic Emission-Based Test to Determine Asphalt Binder and Mixture Embrittlement Temperature	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 145	Extraction of Layer Properties from Intelligent Compaction Data	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 146	Advanced Methods for Mobile Retroreflectivity Measurement on Pavement Marking	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 147	Shape Memory Alloy Enhanced SMART Bridge Expansion Joints	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 148	Cleaning Mechanism to Remove Debris and Chemicals for Crack/Joint Sealing	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 149	Use of Energy Absorbing Breakaway Posts for W-Beam Guardrail in Frozen Soil Conditions	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 150	Automated Laser Spectrographic Pattern Matching for Aggregate Identification	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 151	Development of a Simple Test to Determine the Low Temperature Strength of Asphalt Mixtures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 152	Bridge Cable Inspection with Long-Range Ultrasound	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 153	Laser Measurement Accelerated Retrofit System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 154	A Hybrid Sensor for Rapid Assessment of Sulfate-Induced Heaving in Stabilized Soils	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 155	Corrosion-Resistant, Structurally Reinforced Thermal Spray Coatings for In-Situ Repair of Load Bearing Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 156	Novel Coating Technology for Improving the Corrosion Resistance and Mechanical Properties of Reinforcing Steel in Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 157	Development of an Intrinsically Conductive Polymer-Based Low-Cost, Heavy-Duty, and Environmentally-Friendly	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 158	The Identification of Stress State of Critical Bridge Components Using Nonlinear Acoustics	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 159	Advanced Cleaning Device to Remove Debris and Chemicals for Crack/Joint Sealing	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 160	Super-Weathering Steel for Infrastructure Applications	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 161	Tools for Determining Yield Stress of In-Service Gusset Plates	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 162	Full-Scale Prototype Testing and Manufacturing and Installation Plans for New Scour-Vortex-Prevention scAUR and VorGAUR Products for a Representative Scour-Critical Bridge	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 163	Development of an Asphalt Pavement Raveling Detection Algorithm using Emerging 3-D Laser Technology and Macrotexture Analysis	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 164	Laser Spectroscopy for Rapid Profiling of Steel Bridge Coatings, Corrosion, and Heavy Metals	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 165	Battery-Less Wireless Weigh-in-Motion Sensor	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 166	Guidelines for the Waste Concrete Fines	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 167	Exploratory Analysis of Augmented Reality Visualization of Right-of-Way Excavation Safety	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 168	Prototype Development: Automated and Continuous Aggregate Sampling and Laser Targeting System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 169	An Inexpensive Vision-Based Approach for the Autonomous Detection, Localization, and Quantification of Pavement Defects	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 170	Development and Implementation of the Asphalt Embrittlement Analyzer	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 171	Producing a Sustainable and Bio-Based Alternative for Petroleum-Based Asphalt	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 172	Bidiretional-Ductile End Diaphragms for Seismic Performance and Substructure Protection	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 173	Graphene Nano-Platelet (GNP) Reinforced Asphalt Mixtures: A Novel Multifunctional Pavement Material	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 174	Enhanced Performance Zinc Coating for Steel in Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 175	Rapid Detection of Fatigue Cracking in Steel Anchor Rods using the Impulse Response Method	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 176	Contactless Electrode for Fast Survey of Concrete Reinforcement Corrosion	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 177	Automated Turning Movement Counts for Shared Lanes	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 178	Development of Renewable Polymers for Use in Asphalt Pavements	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 179	Development of a Portable Total-Stress Measurement Instrument	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 180	Drained Timber Pile Ground Improvement for Liquefaction Mitigation	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 181	Development of a Small Specimen Geometry for Asphalt Mixture Performance Testing	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 182	Reducing Stormwater Runoff and Pollutant Loading with Biochar Addition to Highway Greenways	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 183	A Radiofrequency Identification (RFID) Detection System for Assessing Scour Countermeasures and the Stability of Hydraulic Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 184	Synthetic Household Travel Data Using Consumer and Mobile Phone Data	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 185	CurvePortal for Automated Identification and Extraction of Horizontal Curve Information	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 186	Development of an Electrical Probe for Rapid Assessment of Ground Improvement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 187	A Low-Cost Mobile Proximity Warning System in Highway Work Zone Safety	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 188	A Class of V-Connectors for Bridge Deck-Pier and Pier-Footing Joints with Combined Advantage of Integrated Design and Seismic Isolation while Enabling ABC	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 189	A Novel Vision Sensor for Remote Measurement of Bridge Displacement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 190	Self-Deicing LED Signal for Railroad and Highway Intersections	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 191	Testing of In-Service Bridges Using Automated Ultrasonic Testing Methods	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 192	Application of Microbial-Facilitated Stabilization for Sustainable Improvement of Expansive Pavement Subgrades	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 193	DART Field Validation and Prototype Refinement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 194	Producing Bio-Modified Rubber (BMT) Asphalt; A Sustainable and Bio-Based Alternative for Petroleum-Based Asphalt	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 195	Development of an IDEAL Cracking Test for Asphalt Mix Design, Quality Control, and Quality Assurance	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 196	Smart Installation and Monitoring System for Large Anchor Bolts of Support Structure for Highway Signs, Luminaires, and Traffic Signals	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 197	Hexagonal Boron Nitride Reinforced Multifunctional Concrete for Transportation Infrastructure	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 198	Prototype Development for Obtaining Automated Turning Movement Counts for Shared Lanes	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 199	Using Medical X-Ray Machines to Determine the Service Life of Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 200	Rapid Rehabilitation of Highway Slopes using Seeded Microbial Bio-Cement	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 201	Development of a Novel Aerodynamic Solution to Mitigate Large Vibrations in Traffic Signal Structures	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 202	Vertical Impedance Scanner for Concrete Bridge Deck Assessment without Direct Rebar Attachment	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 203	Safer Cushions	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 204	Biomimetic Antifreeze Polymers: A Novel Biodegradable Deicing Salt Alternative	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 205	Bio-Inspired "MRI" of Concrete Bridges using Waveform-based Ultrasonic Tomography	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 206	From Location Tracking to Continuous Interpretation: Rule-Based Automated Safety Work Zone Safety	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 207	MILDGLASS: GFRP Strand for Resilient Mild Pre-Stressed Concrete	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 208	Determining Bridge Deck Chloride Quantities with Ground Penetrating Radar	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 209	An Automated System for Pedestrian Facility Data Collection from Aerial Images	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 210	Material Characteristics of Cu-Based Superelastic Alloys for Applications in Bridge Columns to Improve Seismic Performance	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 211	Reducing Stormwater Runoff and Pollutant Loading with Biochar Addition to Highway Greenways	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 212	Non-Gating Guardrail End Terminals	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 213	SEAHIVE – Sustainable Estuarine and Marine Revetment	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 214	An Enhanced Network-Level Curve Safety Assessment and Monitoring Using Mobile Devices	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 215	Achieving Resilient Multi-Span Bridges by using Buckling-Restrained Braces	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 216	The Portable Single Lane Traffic Counting Device	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 217	A Real-Time Proactive Intersection Safety Monitoring and Visualization System Based on Radar Sensor Data	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 218	Development of a Fast and Cost Effective Asphalt Mixture Fatigue Test System	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 219	A Novel Durable, Healable and Conveniently Removable Pavement Marking Material Suitable for Both Permanent and Temporary Marking Uses	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 220	Bridge Deck Sealant Monitor: Thermal Sealcheck	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 221	Development of In-Situ Cyclic Borehole Shear Soil Test Device	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 222	Mixed Reality Assisted Infrastructure Inspections	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 223	Fatigue Crack Inspection Using Computer Vision and Augmented Reality	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 224	Development of an Automated and Rapid Conditioning and Testing Device for Cracking and Rutting	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 225	An Automated System for Large-Scale Intersection Marking Data Collection and Condition Assessment	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 226	A Smart IoT Proximity Alert System for Highway Work Zone Safety	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 227	Adjustable Cross-frames for the Erection of Steel Girder Bridges	Active (IDEA)
NCHRP IDEA 20-30/IDEA 228	A Retroreflective Road Lane Marking Tape 1,000X Brighter Than Existing Technology	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 229	Lab Dielectric Measurement System for Asphalt Mixture Bulk Specific Gravity Determination	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 230	Automated Data and Feature Extraction from Bridge Plan	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 231	Al Analyzer for Revealing Insights of Traffic Crashes	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 232	Measuring Concrete Permeability with CHIP	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 233	Development of an Innovative Bio-Mediated Self-Healing Concrete Technology	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 234	Field Test & Evaluation of A Solar Snow Fence	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 235	High Bond Steel Fibers for Ultra High Performance Concrete (UHPC)	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 236	A Practical Method to Determine Reclaimed Asphalt Pavement Binder Availability	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 237	Machine Learning-Based Tool to Predict the Retroreflectivity of Pavement Markings in the U.S.	Active (IDEA)
NCHRP IDEA 20-30/IDEA 238	Low-Cost Sensing System for the Detection and Classification of Super Single Wheel Types and Distribution at the Network Level	Active (IDEA)
NCHRP IDEA 20-30/IDEA 239	A Real-Time Ice Warning System Empowered by Dielectric Ice Sensors for Bridges	Active (IDEA)
NCHRP IDEA 20-30/IDEA 240	Stainless Steel Coated Rebar for Chloride Resistant Concrete Highways and Bridges	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 241	Producing DynaSignal: A Novel Aerodynamic Solution for Traffic Signal Lights to Mitigate Large Vibrations and Fatigue-Related Issues in Structural Supports of Traffic Signals	Active (IDEA)
NCHRP IDEA 20-30/IDEA 242	Development of an AI-Powered Dynamic Modulus Test with a Low-Cost Loading Frame	Active (IDEA)
NCHRP IDEA 20-30/IDEA 243	Establishing NDE Protocols for Use in Early Age Bridge Deck Preservation Strategies	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 244	Development of a Compaction Quality Control Standard for the Small Diameter Pressuremeter	Completed (IDEA)
NCHRP IDEA 20-30/IDEA 245	Simple and Rapid Tests for Assessing Quality and Consistency of Reclaimed Asphalt Pavement (RAP) for Recycled Asphalt Mixture Applications	Active (IDEA)
NCHRP IDEA 20-30/IDEA 246	Developing a Method for Selecting Low-Energy Mixing and Compaction Temperatures for Asphalt Mixtures Considering Asphalt Lubrication and Aggregate Characteristics	Active (IDEA)
NCHRP IDEA 20-30/IDEA 247	Augmenting the Hearing of Safety-Critical Sounds for Highway Workers using Artificial Intelligence	Active (IDEA)
NCHRP IDEA 20-30/IDEA 248	An Enhanced Network-level Curve Safety Assessment and Monitoring Using Low-cost Mobile Devices – Refinement and Field Evaluation	Active (IDEA)
NCHRP Synthesis 20-05/Topic 03-03	Telecommunications Systems for Highway Administration and Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 03-03	Radio Spectrum Frequency Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 03-05	Pavement Traffic Marking: Materials and Application Affecting Serviceability	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 04-04	Rest Areas	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 04-06	Highway Location Reference Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 04-09	Treatment of Soft Foundations for Highway Embankments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-01	Reconditioning High-Volume Freeways in Urban Areas	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-02	Design and Control of Freeway Off-Ramp Terminals	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-03	Acquisition and Use of Geotechnical Information	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-04	Design of Pile Foundations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-05	Partial-Lane Pavement Widening	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-07	Effect of Weather on Highway Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-08	Highway Tunnel Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 05-13	Effects of Studded Tires	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 06-01	Instrumentation and Equipment for Testing Highway Materials, Products, and Performance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 06-02	Statistically Oriented End-Result Specifications	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 06-05	Rapid-Setting Materials for Patching Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 07-01	Consolidation of Concrete for Pavements, Bridge Decks, and Overlays	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 07-02	Staffing and Management for Social, Economic, and Environmental Impact Assessments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 07-04	Recording and Reporting Methods for Highway Maintenance Expenditures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 07-05	Energy Effects, Efficiencies, and Prospects for Various Modes of Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 07-06	Joint-Related Distress in PCC Pavement: Cause, Prevention, and Rehabilitation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 07-07	Priority Programming and Project Selection	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-01	Recycling Materials for Highways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-02	Construction Contract Staffing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-03	Design and Use of Highway Shoulders	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-05	Precast Concrete Elements for Transportation Facilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-06	Storage and Retrieval Systems for Highway and Transportation Data	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-08	Management and Selection Systems for Highway Maintenance Equipment	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-09	Open-Graded Friction Courses for Highways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-10	Photologging	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-11	Relationship of Asphalt Cement Properties to Pavement Durability	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 08-12	Bituminous Patching Mixtures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09	Construction of Embankments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-03	Changeable Message Signs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-05	Quality Assurance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-06	Alternative Work Schedules: Impacts on Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-07	Direction Finding from Arterials to Destinations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-08	Failure and Repair of Continuously Reinforced Concrete Pavement	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-09	State Resources for Financing Transportation Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-10	Design of Sedimentation Basins	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 09-11	Glare Screen Guidelines	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-01	Consequences of Deferred Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-03	Formulating and Justifying Highway Maintenance Budgets	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-04	Motor Vehicle Size and Weight Regulations, Enforcement, and Permit Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-05	Collection and Use of Pavement Condition Data	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-06	Bridge Drainage Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-08	Underwater Inspection and Repair of Bridge Substructures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-11	State Transit-Management Assistance to Local Communities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 10-21	Effects of Traffic-Induced Vibrations on Bridge Deck Repairs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11	Getting Research Findings into Practice	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-01	Transportation Needs Study and Financial Constraints	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-02	Value Engineering in Preconstruction and Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-03	Value Engineering in Preconstruction and Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-04	Minimizing Reflection Cracking of Pavement Overlays	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-06	Geotechnical Instrumentation for Monitoring Field Performance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-07	Pavement Subsurface Drainage Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-08	Evaluation of Pavement Maintenance Strategies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-09	Transit Boards-Composition, Roles, and Procedures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-10	Contract Time Determination	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-13	Bus Transit Accessibility for the Handicapped in Urban Areas	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 11-14	Experiences in Transportation System Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-01	Evaluation Criteria and Priority Setting for State Highway Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-02	Criteria for Evaluation of Truck Weight Enforcement Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-03	Highway Accident Analysis Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-04	Resealing Joints and Cracks in Rigid and Flexible Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-06	Shallow Foundations for Highway Structures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-07	Highway Noise Barriers	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-08	Coordination of Transportation System Management and Land Use Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-09	Energy Involved in Construction Materials and Procedures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-11	Bridge Designs to Reduce and Facilitate Maintenance and Repair	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 12-12	New-Product Evaluation Procedures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-01	Construction Contract Claims: Causes and Methods of Settlement	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-02	Methods of Cost-Effectiveness Analysis for Highway Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-03	Managing State Highway Finance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-04	Resurfacing with Portland Cement Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-05	Statewide Transportation Planning	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-06	Transit Ownership/Operation Options for Small Urban and Rural Areas	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-07	Storm Water Management for Transportation Facilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-08	Bridge Weight-Limit Posting Practice	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-10	Risk Assessment Processes for Hazardous Materials Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 13-11	Historic Bridges-Criteria for Decision Making	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-01	Practical Guidelines for Minimizing Tort Liability	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-02	Management of Traffic Signal Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-03	Reducing Construction Conflicts Between Highway and Utilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-04	Asphalt Overlay Design Procedures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-05	Material Certification and Material-Certification Effectiveness	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-06	Maintenance Management Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-07	Maintenance Activities Accomplished by Contract	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-08	Criteria for Use of Asphalt Friction Surfaces	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-09	Energy Conservation in Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-11	Administration of Research, Development, and Implementation Activities in Highway Agencies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-12	Highway Uses of Epoxy with Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 14-22	Distribution of Wheel Loads on Highway Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-01	Toll Highway Financing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-02	Durability of Prestressed Concrete Highway Structures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-03	Detecting Defects and Deterioration in Highway Structures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-04	Equipment for Obtaining Pavement Condition and Traffic Loading Data	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-05	Effects of Illegal Permit and Illegal Overloads on Pavement	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-06	Methods for Identifying Hazardous Highway Elements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-07	Life-Cycle Cost Analysis of Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-08	Professional Resource Management and Forecasting	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-09	Protective Coatings for Bridge Steel	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-10	Prefabricated Bridge Elements and Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-11	Traffic Data Collection and Analysis: Methods and Procedures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 15-19	Cost-Effectiveness of Hot-Dip Galvanizing for Exposed Steel	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 16-02	Use of Weigh-in-Motion Systems for Data Collection and Enforcement	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 16-03	Maintenance Management of Street and Highway Signs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 16-05	Freezing and Thawing Resistance of High-Strength Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 16-06	Wet-Pavement Safety Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 16-07	Use of Fly Ash in Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 16-09	Managing Urban Freeway Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 16-10	Bridge Deck Joints	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-01	System-Wide Safety Improvements: An Approach To Safety Consistency	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-02	Integrated Highway Information Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-05	Design, Construction, and Maintenance of PCC Pavement Joints	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-06	Recycling Portland Cement Concrete Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-08	D-Cracking Of Concrete Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-09	Breaking/Cracking and Seating Concrete Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-10	Pavement Management Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-11	Pedestrians and Traffic Control Measures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 17-13	Staffing Considerations in Construction Engineering Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-01	Use of Consultants for Construction Engineering Inspection	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-02	Innovative Strategies for Upgrading of Personnel by State Transportation Departments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-03	Design and Construction of Bridge Approaches	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-04	Treatment of Problem Foundations for Highway Embankments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-05	Negotiating And Contracting For Professional Engineering Services	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-06	Pavement Markings: Materials and Application for Extended Service Life	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-07	Freeway Corridor Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-08	Freeway Incident Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-09	Cold-Recycled Bituminous Concrete Using Bituminous Materials	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-10	Contract Management Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-11	Evolution and Benefits of Preventive Maintenance Strategies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 18-12	Indicators of Quality in Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-01	Computer-Aided Design and Drafting Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-02	Uniformity Efforts in Oversize/Overweight Permits	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-03	Signal Timing Improvement Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-04	Compaction of Asphalt Pavement	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-06	Process for Recapitalizing Highway Transportation Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-07	Freeway Guide Sign Replacement: Policies and Criteria	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-08	Technology Transfer in Selected Highway Agencies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-09	Moisture Damage in Asphalt Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-10	Transportation Telecommunications	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-12	Measurements, Specifications, and Achievement of Smoothness for Pavement Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 19-23	Partnerships for Innovation: Private-Sector Contributions to Innovation in the Highway Industry	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-01	Fabrics in Asphalt Overlays and Pavement Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-02	Measures to Curtail State Fuel Tax Evasion	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-03	Signing Policies, Procedures, Practices, and Fees for Logo and Tourist-Oriented Directional Signing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-05	Short-Term Responsive Maintenance Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-07	Removing Concrete from Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-08	Traffic Signal Control Equipment: State of the Art	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-09	Bridge Paint: Removal, Containment, and Disposal	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-11	In-Service Experience with Traffic Noise Barriers	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-12	Latex-Modified Concretes and Mortars	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 20-22	Managing Highway Tort Liability	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-01	Performance Characteristics of Open-Graded Friction Courses	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-02	Preferential Lane Treatments for High-Occupancy Vehicles	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-03	Management Training and Development Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-08	Development and Implementation of Traffic Control Plans for Highway Work Zones	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-09	Supplemental Advance Warning Devices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-10	Hot In-Place Recycling of Asphalt Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-11	Highway Maintenance Procedures Dealing with Hazardous Material Incidents	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-12	Truck Escape Ramps	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-13	Pavement Structural Design Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 21-14	Criteria for Qualifying Contractors for Bidding Purposes	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-01	Performance and Operational Experience of Truck-Mounted Attenuators	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-02	Uses of Recycled Rubber Tires in Highways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-04	Underwater Bridge Maintenance and Repair	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-07	Current Practices in Determining Pavement Condition	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-08	Disposal of Roadside Litter Mixtures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-09	Knowledge-Based Expert Systems in Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-10	Recycling and Use of Waste Materials and By-Products in Highway Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-11	Photographic Enforcement of Traffic Laws	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-12	Truck Operating Characteristics	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 22-13	Use of Rumble Strips to Enhance Safety	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-01	Accident Data Quality	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-02	Rapid Test Methods for Asphalt Concrete and Portland Cement Concrete	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-03	Managing Roadway Snow and Ice Control Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-04	Multimodal Evaluation in Passenger Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-05	Performance-Related Specifications for Highway Construction and Rehabilitation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-06	Corridor Preservation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-07	Use of Warranties in Road Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-09	Severity Indices of Roadside Features	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-10	Portland Cement Concrete Resurfacing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-11	Changeable Message Signs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-12	Reduced Visibility Due to Fog on the Highway	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 23-13	Effective Use of Park-and-Ride Facilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-01	Resolution of Disputes to Avoid Construction Claims	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-02	Road Pricing for Congestion Management: A Survey of International Practice	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-03	Performance and Operational Experience of Crash Cushions	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-04	Determination of Contract Time for Highway Construction Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-05	Pavement Management Methodologies to Select Projects and Recommend Preservation Treatments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-06	Electronic Toll and Traffic Management (ETTM) Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-08	Longitudinal Occupancy of Controlled Access Right-of-Way by Utilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-11	Implementation of Technology From Abroad	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-12	Sealers for Portland Cement Concrete Highway Facilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 24-13	Assessing the Effects of Highway-Widening Improvements on Urban and Suburban Areas	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-01	Applications of 3-D and 4-D Visualization Technology in Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-02	Freight Transportation Planning Practices in the Public Sector	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-03	Left-Turn Treatments at Intersections	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-04	Guardrail and Median Barrier Crashworthiness	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-06	Collecting and Managing Cost Data for Bridge Management Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-07	Pavement Subsurface Drainage Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-09	Waterproofing Membranes for Concrete Bridge Decks	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-10	Cost-Effective Preventive Pavement Maintenance (Photocopy Edition)	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-11	Toll Plaza Design	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-12	Management of Surface Transportation Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-13	Consideration of the 15 Factors in the Metropolitan Planning Process	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-14	Managing Contract Research Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-15	Performance Measurement in State Departments of Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-16	Dynamic Effects of Pile Installations on Adjacent Structures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 25-21	Service Life of Drainage Pipe	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-01	Remediation of Petroleum-Contaminated Soils	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-02	Variability in Highway Pavement Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-03	Methods for Household Travel Surveys	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-04	Highway-Rail Grade Crossing Surfaces	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-05	Relationship Between Pavement Surface Texture and Highway Traffic Noise	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-06	Land Development Regulations that Promote Access Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-07	Application of Full-Scale Accelerated Pavement Testing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-08	Ground Penetrating Radar for Evaluating Subsurface Conditions for Transportation Facilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-09	Evaluating and Measuring the Effectiveness of Training	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-10	Settlement of Bridge Approaches (The Bump at the End of the Bridge)	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-11	Transportation Development Process	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 26-12	Maintenance Issues and Alternate Corrosion Protection Methods for Exposed Bridge Steel	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-01	Trenchless Installation of Conduits Beneath Roadways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-02	Criteria for Highway Routing of Hazardous Materials	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-03	Stabilization of Existing Subgrades to Improve Constructibility During Interstate Pavement Reconstruction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-04	Methods for Increasing Live Load Capacity of Existing Highway Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-05	State DOT Management Techniques for Materials and Construction Acceptance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-06	Outsourcing of State Highway Facilities and Services	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-07	Managing Product Liability to Achieve Highway Innovations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-08	Thin-Surfaced Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-09	Methods for Capital Programming and Projection Selection	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-10	Response of Small Urbanized Area MPOs to ISTEA	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-11	Traffic Signal Control Systems Maintenance Management Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-12	Road User and Mitigation Costs in Highway Pavement Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 27-16	Applications of GPS for Surveying and Other Positioning Needs in Departments of Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-01	Best Management Practices for Environmental Issues Related to Highway and Street Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-02	Geotechnical Related Development and Implementation of Load and Resistance Factor Design (LRFD) Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-03	Project Development Methodologies for Reconstruction of Urban Freeways and Expressways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-04	Lead-Based Paint Removal for Steel Highway Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-05	Dynamic Impact Factors for Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-06	Methods to Achieve Rut-Resistant Durable Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-07	Submittal of Bid Proposals in Electronic Format	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-08	Historic Highway Bridge Preservation Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-09	Modern Roundabout Practice in the United States	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-10	Transportation Management Center Functions	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-11	Tolling Practices for Highway Facilities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 28-12	Traffic Signal Operations Near Highway-Rail Grade Crossings	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-01	Seven Keys to Building a Robust Research Program	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-02	Roadway Incident Diversion Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-03	Performance Survey on Open-Graded Friction Course Mixes	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-04	Project Management Information Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-05	Impact of Narrow Median Widths on Commercial Vehicles	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-06	Consultants for DOT Preconstruction Engineering Work	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-07	Management and Selection Systems for Highway Maintenance Equipment	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 29-08	Measuring In-situ Mechanical Properites of Pavement Subgrade Soils	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-01	Systems Engineering Processes for Developing Traffic Signal Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-02	Multimodal Aspects of Statewide Transportation Planning	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-03	Corridor Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-04	Innovative Practices to Reduce Delivery Time for Right-of-Way in Project Development	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-05	Current Practices for Assessing Economic Development Impacts from Transportation Investments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-06	Sleep Deprivation Countermeasures for Motorist Safety	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-07	Data Sharing and Data Partnerships for Highways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-08	Bridge Deck Joint Performance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-09	Quality Assurance of Structural Material	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-10	Maintenance of Highway Edgedrains	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-11	Evaluation of Pavement Friction Characteristics	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 30-12	Reducing and Mitigating the Impacts of Lane Occupancy During Construction and Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-01	A Review of Recent Geometric Design Research for Improved Safety and Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-02	Statistical Methods in Highway Safety Analysis	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-03	Assesment and Rehabilitation of Existing Culverts	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-04	Performance Measures for Research, Development and Technology Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-05	Collecting, Processing, and Integrating GPS Data into GIS	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-06	Facilitating Partnerships in Transportation Research	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-07	Long-term Pavement Marking Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-08	Impact of New Information/Communications Technology on Transportation Agencies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-09	Truck Trip Generation Guide	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-10	Configuration Management in Transportation Management Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-11	Building Effective Relationships Between States, Cities and the Federal Government	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 31-12	Mitigation of Ecological Impacts	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-01	Dealing With Truck Parking Demands	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-02	Stategies for Managing Increasing Truck Traffic	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-03	Impact of Red Light Camera Enforcement on Crash Experience	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-04	Significant Findings from Full-scale/Accelerated Pavement Testing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-05	Driveway Regulation Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-06	Public Benefits of Highway System Maintenance and Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-07	Performance Measures of Operational Effectiveness for Highway Segments and Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-08	Cost Effective Structures for Off-system Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-09	Transportation Planning and Management for Special Events	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-10	Compensation for Contractors Home Office Overhead	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-11	Interaction Between Wildlife Ecology and Roadways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 32-12	Owner Controlled Insurance Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-01	Design Exception Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-02	Precast Structural Elements for Bridge Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-03	State Product Evaluation Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-04	Integrated Roadside Vegetation Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-05	Safe and Quick Clearance of Traffic Incidents	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-06	Roadway Safety Tools for Local Agemcies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-07	Safety Management Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-08	Recruiting and Retaining Professional Staff in State Transportation Agencies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-09	Statewide Highway Letting Program Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-10	Steel Bridge Erection Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-11	Integrating Tourism and Recreation Travel with Transportation Planning and Project Delivery	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 33-12	Integrating Freight Facilities and Operations with Community Goals	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-01	Centerline Rumble Strips	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-02	Road Safety Audits	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-03	Linking Strategic Planning to Resource and Implementation Issues	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-04	Automated Pavement Distress Collection Techniques	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-05	Effective Construction Management of Disadvantaged Business Enterprise Issues	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-06	Convertible Roadways and Lanes	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-07	Cooperative Agreements for Corridor Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-08	Use of Ultra-thin Whitetopping	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-09	Concrete Bridge Deck Performance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-10	Winter Highway Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-11	Geographic Information System Applications in Pavement Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 34-12	Access Location and Design on Crossroads in the Vicinity of Freeway Interchanges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-01	State Quality Assurance Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-02	Chip Seal Best Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-03	Crash Records Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-04	Value Engineering Practices in Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-05	Developing Transportation Agency Leaders	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-06	Access Rights	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-07	Inspection and Maintenance of Cable-Stayed Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-08	Comprehensive Investigation of Bridges with Fracture Critical Details	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-09	Compliance with National Historic Preservation Act Requirements for Archeological Investigation and Mitigation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-10	Improving the Safety of Older Road Users	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 35-11	Transportation Implications of Emerging Economic Development Trends	Final (Synthesis)	Research Results Digest
NCHRP Synthesis 20-05/Topic 35-12	Transportation Technology Transfer Successes, Challenges, and Needs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-01	Bridge Rating Practices and Polices for Overweight Vehicles	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-02	Monitoring Scour Critical Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-03	Technologies for Improving Safety Data	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-04	Visualization for Project Development	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-05	Control of Invasive Species	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-06	Pavement Markings- Design and Typical Layout Details	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-07	Training Program Policies, Processes, and Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-08	Use of Geophysics for Transportation Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-09	Statewide Travel Forecasting Models	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-10	Impact of Intermodal Freight Terminals Closures	Final (Synthesis)	Withdrawn
NCHRP Synthesis 20-05/Topic 36-11	Estimating Toll Facility Demand and Revenue	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-12	Use of Rock-Socketed Shafts for Highway Structure Foundations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 36-16	State of Tribal Transportation Programs in the United States	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-01	Multi-Disciplinary Teams in Context Sensitive Solutions	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-02	Preservation of Institutional Memory	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-03	Managing Selected Transportation Infrastructure Assets	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-05	Bridge Inspection Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-06	Emerging Technologies for Construction Delivery	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-07	Bridge Management Systems for Transportation Agency Decision-Making	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-08	Crash Reconstruction Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-09	Performance-Based Contracting for Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-10	Preserving Freight and Passenge Rail Corridors and Service	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-11	Debt Financing Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-12	Animal-Vehicle Collision Data Collection	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 37-14	Cone PenetrationTest- State of Practice	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-01	Quality Assurance in Design-Build Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-02	Information Technology for Efficient Project Delivery	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-03	Compilation of Public Opinion Data on Tolls and Road Pricing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-04	State Highway Cost Allocation Studies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-05	LED Traffic Signal Monitoring, Maintenance and Replacemenrt Issues	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-06	Pre-Overlay Treatment of Existing Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-07	Forecasting Metropolitan Commercial and Freight Travel	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-09	Estimating Stiffness of Subgrades and Unbound Materials for Pavement Design	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-10	High Speed Weigh-in-Motion System Calibration Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-11	Changeable Message Sign Displays During Non-Incident, Non-Roadwork Periods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-12	Alternative Contracting Methods to Facilitate Faster Construction and Reconstruction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-13	Illuminated, Active, In-Pavement Marker Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 38-15	Falling Weight Deflectometer Usage	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-01	Quality Management of Pavement Distress Data Collection	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-02	Improving the Safety of Mobile Lane Closures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-03	Cathodic Protection for Life Extension of Existing Reinforced Concrete Bridge Elements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-04	Performance Based Construction Contractor Pre-qualification	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-05	Emergency Evacuation and Reentry	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-06	Public Sector Decision-Making in Public Private Partnerships	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-07	Reducing Litter on the Roadsides	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-08	Real Time Traveler Information for the Public	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-09	Design Flexibility Considerations for Established Cities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-10	Adjacent Precast Box Beam Bridges: Connection Details	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-11	Performance of Thin Polymer Overlays for Bridge Decks	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-12	Identify Promising Technologies for Biological Surveys	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 39-13	Pavement Marking Warranty Specifications	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-01	Recycled Materials and Byproducts in Highway Applications	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-02	Construction Manager-at-risk Project Delivery for Highway Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-03	Adaptive Traffic Control Systems : Domestic and Foreign State of Practice	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-04	Utility Location and Highway Design	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-05	Effective Public Involvement Using Limited Resources	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-06	Advanced Practices in Travel Forecasting	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-07	Trade-off Considerations in Highway Geometric Design	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-08	Effective Speed Reduction Techniques for Rural High to Low Speed Transitions	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-09	Freight Transportation Surveys- Existing Methods and Guidelines	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-10	Traffic Signal Retiming Practices in the U.S.	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-11	The State of Practice in Highway Access Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 40-13	Recycling and Reclamation of Asphalt Pavements Using In-Place Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-01	Geometric Design Practices for Resurfacing, Restoration, and Rehabilitation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-02	Effective Delivery of Small-Scale Federal Aid Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-03	Engineering Economic Analysis Practices for Highway Investment	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-04	Sustainable Pavement Maintenance Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-05	Design Fires in Road Tunnels	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-06	Accelerating Implementation of Transportation Research Results	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-07	Operational and Institutional Agreements that Facilitate Regional Traffic Signal Operations Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-08	Implementing Race-Neutral Measures in State Disadvantaged Business Enterprise (DBE) Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-09	Techniques for Effective Highway Construction Projects in Congested Urban Areas	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-10	Developing Production Pile Driving Criteria from Test Pile Data	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-11	Transportation Improvement Program Revision Process	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 41-12	Microsurfacing	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-01	Geotechnical Information Practices in Design-Build Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-02	Use of the U. S. Census Bureau’s Public Use Microdata Sample (PUMS) by States and Metropolitan Planning Organizations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-03	Practice and Procedures for Site-Specific Evaluation of Earthquake Ground Motions	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-04	Recent Roadway Geometric Design Research for Improved Safety and Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-05	Assessing the Long-Term Performance of Mechanically-Stabilized Earth (MSE) Walls	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-06	Performance-Based Highway Maintenance and Operations Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-07	Waterproofing Membranes for Concrete Bridge Decks	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-08	Full-Scale Accelerated Pavement Testing, 2000 – 2011	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-09	Cost-effective and Sustainable Road Slope Stabilization and Erosion Control	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-10	Extent of Highway Capacity Manual Use in Planning	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-11	Local Policies and Practices that Support Safe Pedestrian Environments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 42-12	Practices to Manage Traffic Sign Retroreflectivity	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-01	Use of Transportation Asset Management Principles in State Highway Agencies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-02	High Performance Concrete Specifications and Practices for Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-03	Practices for Unbound Aggregate Pavement Layers	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-04	Practices and Performance Measures for Local Public Agency Federally-Funded Highway Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-05	Practical Design/Practical Solutions Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-06	Pollutant Load Reductions for Total Maximum Daily Load (TMDL) Reductions for Highways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-07	Performance Based Seismic Bridge Design	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-08	State DOT Small Business Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-09	Use of Advanced Geospatial Data Tools, Technologies, and Information in DOT Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-10	Active Traffic and Demand Management Strategies for Arterials Roadways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-11	Expedited Procurement Procedures for Emergency Construction Services	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-12	Reducing the Effects of Roadway Deicers on the Natural Environment	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-13	Forecasting Construction Staffing Requirements for Future Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-14	State Department of Transportation Fleet Replacement Management Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 43-15	Models for Effective Emergency Medical Services Response to Motor Vehicle Crashes in Rural Areas	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-01	FEMA and FHWA Emergency Relief Funds Reimbursements to State Departments of Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-02	Using the Economic Value Created by Transportation to Fund Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-03	Outsourcing Winter Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-04	Pavement Patching Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-05	Roadway Safety Data Interoperability between Local and State Agencies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-06	Implementation of the AASHTO Mechanistic-Empirical Pavement Design Guide and Software	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-07	Thin Asphalt Concrete Overlays	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-08	Response to Extreme Weather Impacts on Transportation Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-09	Alternative Technical Concepts for Contract Delivery Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-10	Non-Nuclear Methods for Compaction Control of Unbound Materials	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-11	Managing Longitudinal Utility Installations on Controlled Access Highway Right-of-Way	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-12	Interactive Training for All-Hazards Emergency Planning, Preparation, and Response for Maintenance and Operations Field Personnel	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-13	Sharing Operational Data Among Agencies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-14	Permanent Signs Mounted on Median Barriers	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 44-15	State Bridge Load Posting Processes and Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-01	Service Life of Culverts	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-02	Practices for Developing Transparent Best Value Selection Procedures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-03	Current Practices to Set and Monitor DBE Goals on Design-Build Projects and Other Alternative Project Delivery Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-05	Design and Load Testing of Large Diameter Open-Ended Driven Piles	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-06	Work Zone Speed Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-07	Forecasting Transportation Revenue Sources: Survey of State Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-09	Indefinite Delivery/Indefinite Quantity Contracting Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-10	The Impacts of Energy Developments on U.S. Roads and Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-11	Economic and Development Implications of Transportation Disinvestment	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-12	Methods and Practice on Reduction and Elimination of Asphalt Mix Segregation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-13	Maintenance Quality Assurance Field Inspection Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-14	Practices for Permitting Superheavy Load Movements on Highway Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-15	Fiber Additives in Asphalt Mixtures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-16	Alliance Contracting – Evolving Alternative Project Delivery	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 45-17	Visualization of Geotechnical Data for Hazard Mitigation and Disaster Response	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-01	Public Perception of Mileage-Based User Fees	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-02	Roundabout Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-03	Performance Specifications for Asphalt Mixtures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-04	Influence of Geotechnical Investigation and Subsurface Conditions on Claims, Change Orders and Overruns	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-05	Use of Reclaimed Asphalt Pavement and Recycled Asphalt Shingles in Asphalt Mixtures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-06	Use of Mobile Information Technology Devices in the Field for Design, Construction and Asset Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-07	State Practices for Local Road Safety	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-09	Extending Bridge Service Life through Field Welded Repair and Retrofits	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-10	Application of Pedestrian Crossing Treatments for Streets and Highways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-11	Post-Extreme Event Damage Assessment and Response for Highway Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-12	Converting Paved Roads to Unpaved	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-13	Practice of Rumble Strips and Rumble Stripes	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-14	Practices for High-Tension Cable Barrier	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-15	Life Cycle Cost Analysis for Management of Highway Assets	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-16	Minimizing Roadway Embankment Damage from Flooding	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 46-17	Training and Certification of Highway Maintenance Workers	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-01	Control of Concrete Cracking in Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-02	Alternate Design/Alternate Bid Process for Pavement Type Selection	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-03	Current Practices and Guidelines for the Reuse of Bridge Foundations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-04	Leveraging Technology for Transportation Agency Workforce Development and Training	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-05	Data Management and Governance Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-06	Strategic Program Delivery Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-07	Evolving Debt Finance Practices for Surface Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-08	Pavement Management Systems: Putting Data to Work	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-09	Practices for Establishing Contract Completion Dates for Highway Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-10	Resource Allocation of Available Funding to Programs of Work	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-12	Use of Fiber Reinforced Polymers in Transportation Infrastructure	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-13	Relationship Between Chemical Makeup of Binders and Engineering Performance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-14	Effective Utility Coordination: Application of Research and Current Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-15	Traffic Signal Preemption at Intersections near Highway-Rail Grade Crossings	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-16	Highway Worker Safety	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 47-17	Statewide and MegaRegional Travel Forecasting Models: Freight and Passenger	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-01	Practices for Preventing Roadway Departure Crashes	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-02	Tack Coat Specifications, Materials, and Construction Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-03	Corrosion Protection for Extending Steel Bridge Service Life	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-04	Staffing for Alternative Contracting Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-05	The Renewal of Stormwater Systems Using Trenchless Technologies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-06	Integrated Transportation and Land Use Models	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-07	Investment Prioritization Methods for Low Volume Roads	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-08	Connected Work Zones - Integrating Technology into Work Zones, Vehicles, and Equipment to Improve Worker, Driver, Pedestrian, and Bicycle Safety	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-09	Integration of Roadway Safety Data from State and Local Sources	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-10	Aggregate Quality Requirements for Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-11	Practices in One Lane Traffic Control on a Two-Lane Rural Highway	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-12	Inertial Profiler Certification for Evaluation of International Roughness Index	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-13	Resilience in Transportation Planning, Engineering, Management, Policy, and Administration	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-14	Analyzing Data for Measuring Transportation Performance by State DOTs and MPOs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-15	How Transportation Agencies Assess the Value of Added Capacity Highway Projects versus Other Modal Projects and Strategies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 48-16	Construction and Rehabilitation of Concrete Pavements under Traffic	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-01	Prioritization of Freight Investment Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-02	Emerging Technologies for Construction Delivery	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-03	Bridge Demolition Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-04	Very Short Duration Work Zone Safety for Maintenance and other Activities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-05	Impact of Asphalt Materials Lift Thickness on Pavement Quality	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-06	Landscape Development and Management Practices for Urban Freeway Roadsides	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-07	Managing Transportation Research Programs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-08	Pedestrian Safety Relative to Traffic Speed Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-09	Concrete Technology for Transportation Applications	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-10	Transportation Workforce Planning and Development Strategies	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-11	Practice for Online Public Involvement	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-12	Seismic Design of Non-conventional Bridges	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-13	Leveraging Private Capital for Infrastructure Renewal	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-14	Methods to Acquire Proprietary Data for Transportation Applications	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 49-15	Automated Pavement Condition Surveys	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-01	Advancements in Use of Geophysical Methods for Transportation Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-02	Highway Hydraulic Engineering State of Practice	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-03	Use of Weigh-in-Motion Data for Pavement, Bridge, Weight Enforcement, and Freight Logistics Applications	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-04	Utility Pole Safety and Hazard Evaluation Approaches	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-05	Incorporating Roadway Access Management into Local Ordinances	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-06	Advances in Unstable Slope Instrumentation and Monitoring	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-07	Electronic Ticketing of Materials for Construction Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-08	Emerging Challenges to Priced Managed Lanes	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-09	Performance Based Pavement Warranty Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-10	Availability and use of Pedestrian Infrastructure Data to Support Active Transportation Planning	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-11	Alternative Intersection Design and Selection	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-12	Development and Use of As-Builts Plans by State DOTS	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-13	Estimating and Contracting Rock Slope Scaling Adjacent to Highways	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-14	Practices for Fabrication Asphalt Specimens for Testing in Laboratories	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 50-15	Asset Management Approaches to Identifying and Evaluating Assets Damaged Due to Emergency Events	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-01	Practices for Construction-Ready Digital Terrain Models	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-02	Practices for Bridge Approach Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-03	Temporary Pavement Markings Placement and Removal Practices in Work Zones	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-04	Practices for Selecting Pedestrian and Bicycle Projects	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-05	Collaborative Practices for Performance-Based Asset Management Between State DOTs and MPOs	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-06	Use of Vehicle Probe and Cellular GPS Data by State Departments of Transportation	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-07	Practices for Assessing and Mitigating the Moisture Susceptibility of Asphalt Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-08	Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-09	Portland Cement Concrete Pavement Joint Sealant Practices and Performance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-10	Practices for Integrated Flood Prediction and Response Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-11	Lighting Practices for Isolated Rural Intersections	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-12	Night and Weekend Movement of Oversize/Overweight Loads	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-13	Load Rating of Bridges and Culverts with Missing or Incomplete As-Built Information	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-14	Repair and Maintenance of Post-Tensioned Concrete Bridges	Final (Synthesis)	Complete. Published as NCHRP Synthesis 562.
NCHRP Synthesis 20-05/Topic 51-15	State DOT Practice for Developing and Implementing TSMO Plans	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-16	Maintenance and Surface Preparation Activities Prior to Pavement Preservation Treatments	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-17	Practices for Closing Out Highway Projects from Substantial Completion to Final Payment	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-18	Practices for Project-Level Analyses for Air Quality	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 51-19	Performance Metrics for Public-Private Partnership	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-01	Highway Infrastructure Inspection Practices for the Digital Age	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-02	Bridge Element Data and Use	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-03	Practices for Ensuring Bridge Surface Smoothness	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-04	Use of Unmanned Aircraft Systems for Highway Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-05	Implementation of Subsurface Utility Engineering for Highway Design and Construction	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-06	Agency Use of Quality Control Plans for Administering Quality Assurance Specifications	Final (Synthesis)	Published as NCHRP Synthesis Report 590.
NCHRP Synthesis 20-05/Topic 52-07	Use of Pavement Data Collection Technology for Pavement Data Quality Management and MAP-21 Reporting	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-08	Practices for Balancing Safety Investments in a Comprehensive Safety Program	Final (Synthesis)	Published as NCHRP Synthesis Report 592.
NCHRP Synthesis 20-05/Topic 52-09	Use of Safety Management Systems in Managing Highway Maintenance Worker Safety	Final (Synthesis)	Published as NCHRP Synthesis Report 591.
NCHRP Synthesis 20-05/Topic 52-10	Subsurface Drainage Practices in Pavement Design, Construction, and Maintenance	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-11	Use of Smart Work Zone Technologies for Improving Work Zone Safety	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-12	Rehabilitation of Culverts and Buried Storm Drain Pipes	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-13	Micromobility Policies, Permits, and Practices	Final (Synthesis)	Report published as NCHRP Synthesis 597.
NCHRP Synthesis 20-05/Topic 52-14	3D Digital Models as Highway Construction Contract Documents	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-15	Measuring Investments in Active Transportation When Accomplished as Part of Other Transportation Projects	Final (Synthesis)	Published as NCHRP Synthesis Report 596.
NCHRP Synthesis 20-05/Topic 52-16	Visualization of Highway Performance Measures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-17	Use of Recycling Agents in Asphalt Concrete Mixtures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-18	Design Practices for Rock Slopes and Rockfall Management	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 52-19	Technological Capabilities of DOTs for Digital Project Management and Delivery	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-01	Practices to Promote Equity in Transportation Funding	Final (Synthesis)	Final report is published on project page as uncorrected agency report.
NCHRP Synthesis 20-05/Topic 53-02	Practices to Motivate Safe Behaviors with Highway Construction and Maintenance Crews	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-03	Leveraging Social Media Data for Emergency Preparedness and Response	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-04	Practices for the Collection, Use, and Management of Utility As-Built Information	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-05	Practices for Bioretention Stormwater Control Measures	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-06	Local Calibration of LRFD Geotechnical Resistance Factors	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-07	Curing Practices for Concrete Pavements	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-08	Strategies and Programs For Electric Vehicle Charging	Final (Synthesis)	Published as NCHRP Synthesis Report 605.
NCHRP Synthesis 20-05/Topic 53-09	Use of Unmanned Aerial Systems for Inspection of Stormwater Best Management Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-10	Contrast Pavement Markings Practices	Final (Synthesis)	Completed report can be found at NCHRP Synthesis Report 613.
NCHRP Synthesis 20-05/Topic 53-11	Resilient Design with Distributed Rainfall-Runoff Modeling	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-12	Practices for Adding Bicycle and Pedestrians Access on Existing Vehicle Bridges	Final (Synthesis)	Published as NCHRP Synthesis Report 604.
NCHRP Synthesis 20-05/Topic 53-13	Practices for Steel Bridge Fabrication and Erection Tolerances	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 53-14	Use of Probe Data for Freight Planning and Operations	Final (Synthesis)	Published as NCHRP Synthesis Report 611: Use of Probe Data for Freight Planning and Operations
NCHRP Synthesis 20-05/Topic 53-15	Coordination of Upgrades and Installation of New Software Required by Traffic Operations and Maintenance	Final (Synthesis)	Project has been cancelled.
NCHRP Synthesis 20-05/Topic 53-16	Critical Findings for Tunnel Functional Systems	Final (Synthesis)	Completed report can be found at NCHRP Synthesis Report 607.
NCHRP Synthesis 20-05/Topic 53-17	Integrating Freight and Active Transportation into Policies, Programs, Plans, and Project Development	Final (Synthesis)	Published as NCHRP Synthesis Report 606.
NCHRP Synthesis 20-05/Topic 53-18	Moisture Measurement for Pavement Foundations and Slopes	Final (Synthesis)	Completed report can be found at NCHRP Synthesis Report 612.
NCHRP Synthesis 20-05/Topic 53-19	State DOT Product Evaluation Processes	Final (Synthesis)	Published as NCHRP Synthesis Report 616
NCHRP Synthesis 20-05/Topic 54-01	Practices to Identify and Mitigate PFAS Impacts on Highway Construction Projects and Maintenance Operations	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-02	Outsourcing Post-Construction Stormwater Best Management Practice Inspection and Maintenance Activities	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-03	DOT Practices on Road Safety Audits	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-04	Mobile Devices as a Tool for Digitalized Project Documentation and Inspection	Final (Synthesis)	Published as NCHRP Synthesis 635
NCHRP Synthesis 20-05/Topic 54-05	Practices for Statewide and MPO Coordination	Final (Synthesis)	Published as NCHRP Synthesis Report 626
NCHRP Synthesis 20-05/Topic 54-06	Ancillary Asset Data Stewardship and Data Models	Final (Synthesis)	The synthesis final report is published as NCHRP Synthesis Report 628; a PDF version of the report can be downloaded at https://doi.org/10.17226/27821.
NCHRP Synthesis 20-05/Topic 54-07	Visualization for Public Involvement	Final (Synthesis)	The synthesis final report is published as NCHRP Synthesis Report 632; a PDF version of the report can be downloaded at https://doi.org/10.17226/27882.
NCHRP Synthesis 20-05/Topic 54-08	Practices for Integrating Performance-Based Plans with Long-Range Transportation Plans and Statewide Transportation Investment Programs	Final (Synthesis)	Published as NCHRP Synthesis Report 631
NCHRP Synthesis 20-05/Topic 54-09	Hydraulic Engineering Practices for Construction and Temporary Facilities in Streams and Rivers	Final (Synthesis)	The completed report may be found at NCHRP Synthesis Report 619.
NCHRP Synthesis 20-05/Topic 54-10	State Customization of Highway Safety Manual Methods	Final (Synthesis)	Published as NCHRP 634
NCHRP Synthesis 20-05/Topic 54-11	Quality Control Checks for Bridge and Structure Analysis Models	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 54-12	Programmatic Implementation of Alternative Contracting Methods	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-13	Truck Emergency Escape Ramp Design and Operation	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 54-14	Artificial Intelligence Applications for Automated Pavement Condition Evaluation	Final (Synthesis)	Published as NCHRP Synthesis 636
NCHRP Synthesis 20-05/Topic 54-15	Prevention and Mitigation of Surficial Slope Failures on Highway Embankment Slopes	Final (Synthesis)	The completed report may be found at NCHRP Synthesis Report 617.
NCHRP Synthesis 20-05/Topic 54-16	Post-Construction Evaluation Practices for Highway Projects Delivered Using Alternative	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-17	State DOT Innovation Programs and Practices	Final (Synthesis)	The final report of this synthesis has been published as NCHRP Synthesis Report 633; a PDF version of the report can be downloaded at https://doi.org/10.17226/27829.
NCHRP Synthesis 20-05/Topic 54-18	Wintertime Pavement Maintenance Practices	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-19	Practices for Controlling Tunnel Leaks	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-20	Advancing Gender Equity in the DOT Workforce	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 54-21	Practices in the Transportation Planning Process to Address Climate Resilience and GHG Emission Quantification and Reduction	Final (Synthesis)	Published as NCHRP Synthesis Report 624
NCHRP Synthesis 20-05/Topic 54-22	Practices for Capturing and Integrating Cost Data in Maintenance Systems	Final (Synthesis)
NCHRP Synthesis 20-05/Topic 55-01	State DOT Policies and Practices on the Use of Corrosion Resistant Reinforcing Bars	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-02	Practices for Collecting, Managing, and Using Light Detection and Ranging (LiDAR) Data	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-03	Asset Management Practices for Mechanically Stabilized Earth Walls	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-04	Current Practices and Guidelines for Full-Depth Reclamation (FDR)	Final (Synthesis)	This project has beed replaced by NCHRP Project 20-05/Topic 55-04A, in order to accommodate a change in contract vehicles.
NCHRP Synthesis 20-05/Topic 55-04A	Current Practices and Guidelines for Full-Depth Reclamation (FDR)	Active (Synthesis)	This project replaces NCHRP Project 20-05/Topic 55-04, in order to accomodate a change in contract vehicles.
NCHRP Synthesis 20-05/Topic 55-05	Use of Supplementary Cementitious Materials for Concrete	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-06	State DOT Certification Programs for Materials Sampling and Testing Personnel	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-07	Stormwater Retrofit Programs and Practices Through Third-Party Partnerships	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-08	Construction Strategies and Techniques for Planned Bridge Replacements in Complex Scenarios	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-09	Open-books Pricing Practices for Construction Manager/General Contractor and Progressive Design-Build Projects	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-10	Implementation of the Federal Highway Administration (FHWA) Proven Safety Countermeasures	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-11	Construction Stormwater Program Management, Tracking, Reporting, and Compliance	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-12	Bridge Construction Inspection Training Resources and Practices	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-13	Practices for Operational Traffic Simulation Models	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-14	Maintenance Practices for Wide Cracks and Joints in Flexible and Composite Pavements	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-15	Tracking Safety Leading Indicators to Improve DOT Employee Safety Performance	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-16	Use of Sustainable Materials for Erosion and Sediment Control Practices	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-17	Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-18	Permitting, Design, and Construction Practices for Aquatic Organism Passage	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-19	Documenting the State of Practice in Managing Ancillary Transportation Assets	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 55-20	Traffic Capacity Level of Service Adaptations and Usage	Final (Synthesis)	Research Complete
NCHRP Synthesis 20-05/Topic 55-21	Funding for Maintenance of Complete Streets	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 56-01	Specialized Training and Knowledge Transfer Practices for Employee Safety	New
NCHRP Synthesis 20-05/Topic 56-02	Design, Production, and Construction of High RAP Asphalt Mixtures	New
NCHRP Synthesis 20-05/Topic 56-03	Current Practices in Pedestrian Safety Enhancements by State DOTs	Active (Synthesis)	Research in progress
NCHRP Synthesis 20-05/Topic 56-04	Practices on Mental Health, Suicide Prevention, and Addiction Mitigation in Construction and Maintenance	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 56-05	Traffic Analysis Practices for Non-Motorized Modes (Vulnerable Road Users)	Active (Synthesis)	Research in progress
NCHRP Synthesis 20-05/Topic 56-06	Practices for Transitioning to Digital Delivery Systems and Workflows	New
NCHRP Synthesis 20-05/Topic 56-07	Practices for Incorporating Risk into Bridge Management Plans	New
NCHRP Synthesis 20-05/Topic 56-08	Using Cathodic Protection to Mitigate Corrosion of Reinforced Concrete and Structural Steel Components of Highway Structures	New
NCHRP Synthesis 20-05/Topic 56-09	Staffing Models for Transportation Systems Management and Operations (TSMO)	New
NCHRP Synthesis 20-05/Topic 56-10	Practices to Reduce Serious Injuries and Fatalities (SIFs) with Department of Transportation Employees	New
NCHRP Synthesis 20-05/Topic 56-11	Practices for Transportation Planning in Non-Metropolitan Areas	Active (Synthesis)
NCHRP Synthesis 20-05/Topic 56-12	Practices on Management, Operation, and Maintenance of Automated Traffic Signal Performances Measures	Active (Synthesis)	Research in progress
NCHRP Synthesis 20-05/Topic 56-13	Budgetary Practices for State Stormwater Permit Compliance Programs	New
NCHRP Synthesis 20-05/Topic 56-14	State DOT Training Programs to Comply with NPDES Stormwater Permit Requirements	Active (Synthesis)	Research in progress
NCHRP Synthesis 20-05/Topic 56-15	Practices for Designing, Installing, Maintaining, Replacing, and Successively Using Complementary Bridge Deck Protection Systems	New
NCHRP Synthesis 20-05/Topic 56-16	Data Collection and Management to Expedite Pothole Repairs	New
NCHRP Synthesis 20-05/Topic 56-17	Testing and Modeling Practices for Implementing a Pavement Friction Management Program	New
NCHRP Synthesis 20-05/Topic 56-18	Practices for Personal Protective Equipment	New
NCHRP Synthesis 20-05/Topic 56-19	Practices on Coordination of HSIP and Highway Safety Office Activities	Active (Synthesis)	Research in progress
NCHRP Synthesis 20-05/Topic 56-20	Pavement Design and Evaluation of Low Volume Roads with Heavy Loads	New
NCHRP Synthesis 20-05/Topic 56-21	Practices Related to Design and Construction Contingency	New
NCHRP Synthesis 20-05/Topic 56-22	State DOT Practices for Recruiting and Retaining Engineering, Planning, and Management Employees	New
NCRRP 02-01	Comparison of Passenger Rail Energy Consumption with Competing Modes	Completed
NCRRP 03-01	Intercity Passenger Rail Service and Development Guide	Completed
NCRRP 03-02	Intercity Passenger Rail in the Context of Dynamic Travel Markets	Completed
NCRRP 06-01	Building and Retaining Workforce Capacity for the Railroad Industry	Completed
NCRRP 07-01	Alternative Funding and Financing Mechanisms for Passenger and Freight Rail Projects	Completed
NCRRP 07-02	Developing Multi-State Institutions to Implement Intercity Passenger Rail Programs	Completed
NCRRP 07-03	Inventory of State Passenger and Freight Rail Programs	Completed
NCRRP 12-01	Legal Aspects of Rail Programs	Completed
NCRRP 12-02	NCRRP Strategic Plan/Research Agenda	Completed
Rail Safety IDEA Project 01	Color Corrected Motor Vehicle Headlight, Rearview Mirror, and Windshield for Glare Control	Completed (IDEA)
Rail Safety IDEA Project 02	Auto Radio Override Alert Systems for Trains and Emergency Vehicles	Completed (IDEA)
Rail Safety IDEA Project 04	Safety Effects of Seat Cushion Design in Large Commercial Vehicles	Completed (IDEA)
Rail Safety IDEA Project 05	Assessment of Driver Safety in Commercial Motor Vehicles	Completed (IDEA)
Rail Safety IDEA Project 06	Fiber Optic System to Detect Truck Hunting on Freight Railroads	Completed (IDEA)
Rail Safety IDEA Project 07	Driver Alertness Indication System (DAISY): Quantitative Verification	Completed (IDEA)
Rail Safety IDEA Project 08	Cracked Axle Detection on Moving Freight Railcars	Completed (IDEA)
Rail Safety IDEA Project 09	Driver Feedback Device for Passive Railroad Grade Crossings	Completed (IDEA)
Rail Safety IDEA Project 10	Monitoring Train Position to Improve Emergency Response	Completed (IDEA)
Rail Safety IDEA Project 12	Development of a Diagnostic System for Air Brakes in Trucks	Completed (IDEA)
Rail Safety IDEA Project 13	Sensor Integration for Low-Cost Crash Avoidance	Completed (IDEA)
Rail Safety IDEA Project 14	Onboard Railroad Wheel Monitoring System	Completed (IDEA)
Rail Safety IDEA Project 15	Determination of the Longitudinal Stress in Rails	Completed (IDEA)
Rail Safety IDEA Project 16	Rail Vehicle Bearing Defect Detection	Completed (IDEA)
Rail Safety IDEA Project 17	Non-Contact Driver Drowsiness Detection System	Completed (IDEA)
Rail Safety IDEA Project 18	DRIVE-SMART Driver Monitoring and Crash Mitigation System	Completed (IDEA)
Rail Safety IDEA Project 19	Increasing Truck Driver’s Awareness: Use of In-Vehicle 3D Sounds	Completed (IDEA)
Rail Safety IDEA Project 20	Material with Improved Absorption of Collision Forces for Railroad Cars	Completed (IDEA)
Rail Safety IDEA Project 22	Laser Cladding of Welds to Improve Railroad Track Safety	Completed (IDEA)
Rail Safety IDEA Project 23	Reducing Wheel Climb at Switch Points to Reduce Derailments	Completed (IDEA)
Rail Safety IDEA Project 24	High Speed Railroad Bridge Dynamics and Ratings	Completed (IDEA)
Rail Safety IDEA Project 25	Dynamic Impact Factors on Existing Long-Span Steel Truss Railroad Bridges	Completed (IDEA)
Rail Safety IDEA Project 26	Remote Sensing with Mobile LiDAR and Imaging Sensors for Railroad Bridge Inspections	Completed (IDEA)
Rail Safety IDEA Project 27	Field Evaluation of Ballast Fouling Conditions Using Machine Vision	Completed (IDEA)
Rail Safety IDEA Project 28	Field Validation of Inspection Gauges for Wheels Climb Safety at Switch Points	Completed (IDEA)
Rail Safety IDEA Project 29	Self-Deicing LED Signal for Railroad and Highway Intersections	Completed (IDEA)
Rail Safety IDEA Project 30	Development of Ballast Real Time Information System (BRIS) Based on “SmartRock”	Completed (IDEA)
Rail Safety IDEA Project 31	Modeling and Validation of Standards for a Sleeper Compartment on Accessible Passenger Rail Vehicles	Completed (IDEA)
Rail Safety IDEA Project 32	Railroad Bridge Inspections for Maintenance and Replacement Prioritization Using Unmanned Aerial (UAVs) with Laser Scanning Capabilities	Completed (IDEA)
Rail Safety IDEA Project 33	Adaptive Prestressing System for Concrete Crossties	Completed (IDEA)
Rail Safety IDEA Project 34	Prototype System for Managing Enterprise Rail Transport Risk for Hazmat	Completed (IDEA)
Rail Safety IDEA Project 35	Non-contact Deflection Monitoring System for Timber Railroad Bridges	Completed (IDEA)
Rail Safety IDEA Project 36	Onboard High-Bandwidth Fiber Optic Sensing System for Broken Rail Detection	Completed (IDEA)
Rail Safety IDEA Project 37	Measuring Behavior of Railroad Bridges under Revenue Traffic using Lasers and Unmanned Aerial Vehicles (UAVs) for Safer Operations: Implementation	Completed (IDEA)
Rail Safety IDEA Project 38	Fatigue Life Extension of Thermite Welds by Porosity Minimization	Completed (IDEA)
Rail Safety IDEA Project 39	Non-contact Scour monitoring for Railroad Bridges	Completed (IDEA)
Rail Safety IDEA Project 40	Using Light to Reduce Fatigue and Improve Alertness in Railway Operations	Completed (IDEA)
Rail Safety IDEA Project 41	Vibration-based Longitudinal Rail Stress Estimation Exploiting Contactless Measurement and Machine Learning	Completed (IDEA)
Rail Safety IDEA Project 42	Railroad Tunnel Inspections for Maintenance and Replacement Prioritization Using Untethered Ground Penetrating Radar and LIDAR Capable Unmanned Aerial Vehicles (UAVs)	Completed (IDEA)
Rail Safety IDEA Project 44	Laser-based Non-destructive Spike Defect Inspection System	Completed (IDEA)
Rail Safety IDEA Project 45	Development of a Fatigue Load for Railway Bridges	Completed (IDEA)
Rail Safety IDEA Project 46	Adaptive Prestressing System for Concrete Crossties: Prototype Development	Completed (IDEA)
Rail Safety IDEA Project 48	Autonomous Detection of Compressed Air Leaks on Trains	Completed (IDEA)
SHRP 2 C01	A Framework for Collaborative Decision Making on Additons to Highway Capacity	Completed
SHRP 2 C02	A Systems-Based Performance Measurement Framework for Highway Capacity Decision Making	Completed
SHRP 2 C03	Interactions between Transportation Capacity, Economic Systems, and Land Use merged with Integrating Economic Considerations Project Development	Completed
SHRP 2 C04	Improving Our Understanding of How Highway Congestion and Pricing Affect Travel Demand	Completed
SHRP 2 C05	Understanding the Contribution of Operations, Technology, and Design to Meeting Highway Capacity Needs	Completed
SHRP 2 C06(A)	Integration of Conservation, Highway Planning, and Environmental Permitting Using an Outcome-Based Ecosystem Approach	Completed
SHRP 2 C06(B)	Integration of Conservation, Highway Planning, and Environmental Permitting Through Development of an Outcome-Based Ecosystem-Scale Approach and Corresponding Credit System	Completed
SHRP 2 C08	Community Visioning Approach to Support the SHRP 2 Collaborative Decision-Making Framework for Additions to Highway Capacity	Completed
SHRP 2 C09	Incorporating Greenhouse Gas Emissions Into the Collaborative Decision-Making Process	Completed
SHRP 2 C10(A)	Partnership to Develop an Integrated, Advanced Travel Demand Model and a Fine-Grained, Time-Sensitive Network	Completed
SHRP 2 C10(B)	Partnership to Develop an Integrated Advanced Travel Demand Model with Mode Choice Capability and Fine-Grained, Time-Sensitive Networks.	Completed
SHRP 2 C11	Development of Improved Economic Analysis Tools Based on Recommendations from project C03 (2)	Completed
SHRP 2 C12	The Effect of Public-Private Partnerships and Non-Traditional Procurement Processes on Highway Planning, Environmental Review, and Collaborative Decision Making	Completed
SHRP 2 C15	Integrating Freight Considerations into Collaborative Decision Making for Additions to Highway Capacity	Completed
SHRP 2 C16	The Effect of Smart Growth Policies on Travel Demand	Completed
SHRP 2 C18(A)	Pilot Test the Collaborative Decision-Making Framework with Three DOTS, Including a Self-Assessment Method	Completed
SHRP 2 C18(B)	Pilot Test the Collaborative Decision-Making Framework with Three DOTS, Including a Self-Assessment Method	Completed
SHRP 2 C18(C)	Pilot Test the Collaborative Decision-Making Framework with Three DOTS, Including a Self-Assessment Method	Completed
SHRP 2 C18(D)	Pilot Test the Collaborative Decision-Making Framework with Three DOTS, Including a Self-Assessment Method	Completed
SHRP 2 C19	Add Expedited-Schedule Case Studies to the Collaborative Decision-Making Framework Database	Completed
SHRP 2 C20	Freight Demand Modeling and Data Improvement Strategic Plan	Completed
SHRP 2 C21(A)	Pilot Test the C06 A&B Approaches to Environmental Protection	Completed
SHRP 2 C21(B)	Pilot Test the C06 A&B Approaches to Environmental Protection	Completed
SHRP 2 C21(C)	Pilot Test the C06 A&B Approaches to Environmental Protection	Completed
SHRP 2 C21(D)	Pilot Test the C06 A&B Approaches to Environmental Protection	Completed
SHRP 2 C22	Prepare a Decision Makers Guide to the Collaborative Decision Making Framework	Completed
SHRP 2 C33(A)	Pilot Projects to Validate the Results of T-PICS	Completed
SHRP 2 C37	Develop a Marketing and Communications Plan for TCAPP	Completed
SHRP 2 C39	Additional Pilot Tests to Improve TCAPP	Completed
SHRP 2 C40(A)	Integration of National-Level Geospatial, Ecological Tools and Data	Completed
SHRP 2 C40(B)	Proof-of-Concept: Application of Geospatial, Ecological Tools and Data in the Planning and Programming (pre-NEPA) Phases of Delivering New Highway Capacity	Completed
SHRP 2 C41	TCAPP and Integrated Ecological Framework Pilot Projects: Synthesis of Lessons Learned	Completed
SHRP 2 C43	Second SHRP 2 Freight Modeling and Data Innovation	Completed
SHRP 2 C46	Resource on Advanced Integrated Models and an Implementation Strategy	Completed
SHRP 2 C55	Capacity Implementation Support	Completed
SHRP 2 L01	Integrating Business Processes to Improve Reliability	Completed
SHRP 2 L02	Establishing Monitoring Programs for Mobility and Travel Time Reliability	Completed
SHRP 2 L03	Analytic Procedures for Determining the Impacts of Reliability Mitigation Strategies	Completed
SHRP 2 L04	Incorporating Reliability Performance Measures in Operations and Planning Modeling Tools	Completed
SHRP 2 L05	Incorporating Reliability Performance Measures into the Transportation Planning and Programming Processes	Completed
SHRP 2 L06	Institutional Architectures to Advance Operational Strategies	Completed
SHRP 2 L07	Evaluation of Cost-Effectiveness of Highway Design Features	Completed
SHRP 2 L08	Incorporation of Travel Time Reliability into the Highway Capacity Manual	Completed
SHRP 2 L10	Feasibility of Using In-Vehicle Video Data to Explore How to Modify Driver Behavior that Causes Non-Recurring Congestion	Completed
SHRP 2 L11	Evaluating Alternative Operations Strategies to Improve Travel Time Reliability	Completed
SHRP 2 L12	Improving Traffic Incident Scene Management	Completed
SHRP 2 L13	Archive for Reliability and Related Data	Completed
SHRP 2 L13A	Design and Implement a System for Archiving and Disseminating Data from SHRP 2 Reliabilities and Related Studies/ Assistance to Contractors to Archive their Data for Reliability Projects	Completed
SHRP 2 L14	Traveler Information and Travel Time Reliability	Completed
SHRP 2 L15	Innovative IDEA Projects	Completed
SHRP 2 L16	Assistance to Contractors to Archive Their Data for Reliability and Related Projects	Completed
SHRP 2 L17	A Framework for Improving Travel Time Reliability	Completed
SHRP 2 L32(B)	e-Learning for Training Traffic Incident Responders and Managers	Completed
SHRP 2 L32(C)	Post-Course Assessment and Reporting Tool for Trainers and TIM Responders Using the SHRP 2 Interdisciplinary Traffic Incident Management Curriculum	Completed
SHRP 2 L33	Validation of Urban Freeway Models	Completed
SHRP 2 L34	e-Tool for Business Processes to Improve Travel Time Reliability	Completed
SHRP 2 L35	Local Methods for Modeling, Economic Evaluation, Justification and Use of the Value of Travel Time Reliability in Transportation Decision Making	Completed
SHRP 2 L36	Regional Operations Forums for Advancing Systems Operations, Management, and Reliability	Completed
SHRP 2 L38	Pilot Testing of SHRP 2 Reliability Analytical Products	Completed
SHRP 2 L55	Reliability Implementation Support	Completed
SHRP 2 R01	Encouraging Innovation in Locating and Characterizing Underground Utilities	Completed
SHRP 2 R01(A)	Technologies to Support Storage, Retrieval, and Utilization of 3-D Utility Location Data	Completed
SHRP 2 R01(B)	Utility Locating Technology Development Utilizing Multi-Sensor Platforms and Innovation in Location of Deep Utility Pipes and Tunnels	Completed
SHRP 2 R01(C)	Innovations in Location of Deep Utilities	Completed
SHRP 2 R02	Geotechnical Solutions for Soil Improvement, Rapid Embankment Construction and	Completed
SHRP 2 R03	Identifying and Reducing Worker, Inspector, and Manager Fatigue in Rapid Renewal Environments	Completed
SHRP 2 R04	Innovative Bridge Designs for Rapid Renewal	Completed
SHRP 2 R04(A)	Innovative Bridge Designs for Rapid Renewal (Bridge Demonstration Project)	Completed
SHRP 2 R05	Modular Pavement Technology	Completed
SHRP 2 R06	A Plan for Developing High Speed, Nondestructive Testing Procedures for both Design Evaluation and Construction Inspection	Completed
SHRP 2 R06(A)	Nondestructive Testing to Identify Concrete Bridge Deck Deterioration	Completed
SHRP 2 R06(B)	Evaluating Applications of Field Spectroscopy Devices to Fingerprint Commonly Used Construction Materials	Completed
SHRP 2 R06(C)	Using Both Infrared and High-Speed Ground Penetrating Radar for Uniformity Measurements on New HMA Layers	Completed
SHRP 2 R06(D)	Nondestructive Testing to Identify Delaminations between HMA Layers	Completed
SHRP 2 R06(E)	Real-Time Smoothness Measurements on Portland Cement Concrete Pavements During Construction	Completed
SHRP 2 R06(F)	Development of Continuous Deflection Device	Completed
SHRP 2 R06(G)	High-Speed Nondestructive Testing Methods for Mapping Voids, Debonding, Delaminations, Moisture, and Other Defects Behind or Within Tunnel Linings	Completed
SHRP 2 R07	Performance Specifications for Rapid Renewal	Completed
SHRP 2 R09	Guide for the Process of Managing Risk on Rapid Renewal Contracts	Completed
SHRP 2 R10	Project Management Strategies for Complex Projects	Completed
SHRP 2 R11	Strategic Approaches at the Corridor and Network Level to Minimize Disruption from the Renewal Process	Completed
SHRP 2 R15	Strategies for Integrating Utility and Transportation Agency Priorities in Highway Renewal Projects	Completed
SHRP 2 R15(B)	Identification of Utility Conflicts and Solutions	Completed
SHRP 2 R15(C)	Pilot Testing of the Utility Conflict Matrix	Completed
SHRP 2 R16	Railroad-DOT Institutional Mitigation Strategies	Completed
SHRP 2 R16(A)	Communicating Railroad-DOT Mitigation Strategies	Completed
SHRP 2 R16(B)	Tools for Communicating Railroad-DOT Mitigation Strategies	Completed
SHRP 2 R19(A)	Bridges for Service Life beyond 100 Years: Innovative Systems, Subsystems, and Components	Completed
SHRP 2 R19(B)	Bridges for Service Life Beyond 100 Years: Service Limit State Design	Completed
SHRP 2 R21	Composite Pavement Systems	Completed
SHRP 2 R23	Using Existing Pavement In Place and Achieving Long Life	Completed
SHRP 2 R26	Preservation Approaches for High-Traffic-Volume Roadways	Completed
SHRP 2 R31	Integrated Delivery of SHRP 2 Renewal Research Projects	Completed
SHRP 2 R55	Renewal Implementation Support	Completed
SHRP 2 S01(A)	Development of Analysis Methods Using Recent Data	Completed
SHRP 2 S01(B)	Development of Analysis Methods Using Recent Data	Completed
SHRP 2 S01(C)	Development of Analysis Methods Using Recent Data	Completed
SHRP 2 S01(D)	Development of Analysis Methods Using Recent Data	Completed
SHRP 2 S01(E)	Development of Analysis Methods Using Recent Data	Completed
SHRP 2 S02	Integrate Methods and Develop Analysis Plan	Completed
SHRP 2 S03	Roadway Measurement System Evaluation	Completed
SHRP 2 S04(A)	Roadway Information Database Development and Technical Coordination and Quality Assurance of the Mobile Data Collection Project (S04B)	Completed
SHRP 2 S04(B)	Mobile Data Collection	Completed
SHRP 2 S05	Design of the In-Vehicle Driving Behavior and Crash Risk Study	Completed
SHRP 2 S06	Technical Coordination and Quality Control	Completed
SHRP 2 S07(A)	In-Vehicle Driving Behavior Field Study	Completed
SHRP 2 S07(B)	In-Vehicle Driving Behavior Field Study	Completed
SHRP 2 S07(C)	In-Vehicle Driving Behavior Field Study	Completed
SHRP 2 S07(D)	In-Vehicle Driving Behavior Field Study	Completed
SHRP 2 S07(E)	In-Vehicle Driving Behavior Field Study	Completed
SHRP 2 S07(F)	In-Vehicle Driving Behavior Field Study	Completed
SHRP 2 S08(A)	Analysis of In-Vehicle Field Study Data and Countermeasure Implications	Completed
SHRP 2 S08(B)	Analysis of In-Vehicle Field Study Data and Countermeasure Implications	Completed
SHRP 2 S08(C)	Analysis of In-Vehicle Field Study Data and Countermeasure Implications	Completed
SHRP 2 S08(D)	Analysis of In-Vehicle Field Study Data and Countermeasure Implications	Completed
SHRP 2 S09	Site-Based Video System	Completed
SHRP 2 S12(A)	DAS Procurement	Completed
SHRP 2 S31	NDS User Support and Data Dissemination	Completed
SHRP 2 S31A	Website Usability Testing for Naturalistic Driving Study Database	Completed
SHRP 2 Reliability IDEA L15(A)	Providing Origin-to-Destination Travel Time Reliability Information on Google Map	Completed (IDEA)
SHRP 2 Reliability IDEA L15(B)	Proximity Information Resources for Special Events	Completed (IDEA)
SHRP 2 Reliability IDEA L15(C)	Online Traffic Simulation Service for Highway Incident Management	Completed (IDEA)
SHRP 2 Reliability IDEA L15(D)	Urban Travel Reliability Analysis with Consumer GPS Data	Completed (IDEA)
TCRP A-01	Fare Policies, Structures, and Technologies	Completed
TCRP A-02	Service-Delivery Systems for Rural Passenger Transportation	Completed
TCRP A-03	Aids for Car Side-Door Observation	Completed
TCRP A-04	Electronic On-Vehicle Passenger Information Displays (Visual and Audible)	Completed
TCRP A-05	Integration of Light Rail Transit into City Streets	Completed
TCRP A-05A(1)	Active Train Coming/Second Train Coming Sign Demonstration Project	Completed
TCRP A-05A(2)	Active Train Coming/Second Train Coming Sign Demonstration Project	Completed
TCRP A-06	Computerized Paratransit Dispatching	Completed
TCRP A-07	Operational Analysis of Bus Lanes on Arterials	Completed
TCRP A-07A	Operational Analysis of Bus Lanes on Arterials: Extended Field Investigations	Completed
TCRP A-08	Rail Transit Capacity	Completed
TCRP A-09	Signs and Symbols in Transit Facilities	Completed
TCRP A-10	Location and Design of Bus Stops on Major Streets and Highways	Completed
TCRP A-10A	An Evaluation of Bus Bulbs on Transit, Traffic, and Pedestrian Operations	Completed
TCRP A-11	Transit Scheduling Manual	Completed
TCRP A-12	Passenger Information Services	Completed
TCRP A-13	Light Rail Service: Pedestrian and Vehicular Safety	Completed
TCRP A-14	Potential of Multipurpose Fare Media and Cashless Fare Collection	Completed
TCRP A-15	Development of Transit Capacity and Quality of Service Principles, Practices and Procedures	Completed
TCRP A-15A	Update of the First Edition, Transit Capacity and Quality of Service Manual	Completed
TCRP A-15C	Transit Capacity and Quality of Service Manual, 3rd Edition	Final
TCRP A-16	Improved Traffic Signal Priority for Transit	Completed
TCRP A-16A	Improved Traffic Signal Priority for Transit	Completed
TCRP A-17	Joint Operation of Light Rail Transit or Diesel Multiple Unit Vehicles with Railroads	Completed
TCRP A-17A	Update of TCRP Report 52: Joint Operation of Light Rail Transit or Diesel Multiple Unit Vehicles With Railroads	Completed
TCRP A-18	Effective Practices and Programs to Reduce Bus Accidents	Completed
TCRP A-19	Integrating School Bus and Public Transportation Services in Nonurban Communities	Completed
TCRP A-19A(2)	Vehicle Guide for Integrating Non-Urban School and Public Transportation Services	Completed
TCRP A-20A(1)	Strategies for Improved Traveler Information	Completed
TCRP A-20B(2)	Training for New Technology	Completed
TCRP A-21	Innovations to Improve the Productivity, Efficiency, and Quality of Public Transportation in Rural and Small Urban Areas	Completed
TCRP A-22	Evaluation of Simulators as an Effective Training Tool toImprove Bus Safety and Guidelines for Their Application	Completed
TCRP A-23	Implementation Guidelines for Bus Rapid Transit Systems	Completed
TCRP A-23A	Cost and Effectiveness of Selected Bus Rapid Transit Components	Final
TCRP A-24	A Toolkit for Self-Service, Barrier-Free Fare Collection	Completed
TCRP A-25	Fare Policies, Structures and Technologies (Update)	Completed
TCRP A-26	Smart Card Interoperability Issues for the Transit Industry	Final
TCRP A-27	Shared Use of Railroad Infrastructure with Non-FRA-Compliant Public Transit Rail Vehicles	Final
TCRP A-28	Guidebook for Mitigating Fixed-Route Bus-and-Pedestrian Collisions	Completed
TCRP A-29	Controlling System Costs: Basic and Advanced Scheduling Manuals and Contemporary Issues in Transit Scheduling	Final
TCRP A-30	Improving Pedestrian and Motorist Safety Along Light Rail Transit Alignments	Final
TCRP A-31	Transit, Call Centers, and 511: A Guide for Decision Makers	Completed
TCRP A-32	Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH	Completed
TCRP A-33	Communication with Vulnerable Populations: A Transportation and Emergency Management Toolkit	Completed
TCRP A-33A	Using Pictograms to Make Transit Easier to Navigate for Customers with Communication Barriers	Completed	This project is a continuation of TCRP Project A-33. Such is reflected in the numbering of the tasks.
TCRP A-34	Improving Safety-Related Rule Compliance in the Public Transportation Industry	Final
TCRP A-35	Improving Safety Culture in Public Transportation	Final
TCRP A-36	Command-Level Decision Making for Transportation Emergency Managers	Completed
TCRP A-36A	Transportation Emergency Response Application (TERA): Migration Options Beyond 2020	Pending
TCRP A-37	Paratransit Emergency Preparedness and Operations Handbook	Completed
TCRP A-38	Guidebook for Pedestrian Crossings for Public Transit Rail Services	Final
TCRP A-39	Improving Transportation Network Efficiency Through Implementation of Transit-Supportive Roadway Strategies	Completed
TCRP A-40	Manual to Improve Rail Transit Safety at Platform/Train and Platform/Guideway Interfaces	Final
TCRP A-41	Improving the Resiliency of Transit Systems Threatened by Natural Disasters	Completed
TCRP A-42	Minutes Matter: A Guide to Bus Transit Service Reliability	Completed
TCRP A-43	Recent Decline in Public Transportation Ridership: Analysis, Causes, Responses	Final
TCRP A-44	Strategies for Deterring Trespassing on Rail Transit and Commuter Rail Rights-of-Way	Final	Complete - Published as TCRP Research Report 233
TCRP A-45	Measuring and Managing Fare Evasion	Completed
TCRP A-46	Quantitative Procedures for Designing and Operating Ferry Transit Services	Final
TCRP A-47	Transit Capacity and Quality of Service Manual, Fourth Edition	Active
TCRP A-48	Mitigation Strategies for Deterring Transit Assaults	Active	Research in Progress
TCRP A-49	Fare Policies, Structures, and Technologies -- 2024 Updates	Active
TCRP A-50	Practical Considerations for Developing Transition Plans to Zero-Emission Fleets	Pending
TCRP A-51	Innovative Practices for Technology Implementation at Rural, Small, and Mid-Sized Transit Agencies	Pending
TCRP A-52	An Assessment of Cybersecurity at Public Transportation Agencies	RFP
TCRP A-53	Identification of Causal Factors Leading to Transit Bus Collisions	Anticipated	In development
TCRP A-54	Innovations and Best Practices in Transit Fare Enforcement	Anticipated	In development
TCRP A-55	Travel Behavior, Equity, and Financial Impacts of Fare Capping	Anticipated	In development
TCRP B-01	Transit Operations for Individuals with Disabilities	Completed
TCRP B-02	Integrating Market Research into Transit Management	Completed
TCRP B-03	Demand Forecasting for Rural Passenger Transportation	Completed
TCRP B-04	Cost-Effectiveness of Transportation Demand Management (TDM) Strategies	Completed
TCRP B-05	Attracting Paratransit Patrons to Fixed-Route Services	Completed
TCRP B-06	Improving Transit Connections for Enhanced Suburban Mobility	Completed
TCRP B-07	Strategies to Assist Local Transportation Agencies in Becoming Mobility Managers	Completed
TCRP B-08	Effective Methods of Marketing Transit Services to Business	Completed
TCRP B-09	Market Segmentation Strategies to Increase Transit Ridership	Completed
TCRP B-10	Role of Passenger Amenities and Transit Vehicle Characteristics in Building Ridership	Completed
TCRP B-11	Customer-Defined Transit Service Quality	Completed
TCRP B-12	Update the Traveler Response to Transportation System Changes Handbook (DOT-FH-11-9579)	Completed
TCRP B-12A, Phase II	Update the Traveler Response to Transportation System Changes Handbook (DOT-FH-11-9579)	Completed
TCRP B-13	Low-Cost and Cost-Effective Marketing Techniques for Public Transit Agencies	Completed
TCRP B-14	Analyzing the Costs of Operating Small Transit Vehicles	Completed
TCRP B-15	Characteristics of Urban Travel Demand	Completed
TCRP B-16	Analysis of the Private-for-Hire Vehicle Industry and Its Role in Public Transit	Completed
TCRP B-17	Advanced Rural Transportation Systems: Where Do We Start? How Far Should We Go?	Completed
TCRP B-18	Improving Public Transportation Access to Large Airports	Completed
TCRP B-18A	Improving Public Transportation Access to Large Airports	Completed
TCRP B-19	Improving Public Transportation Options for Older Persons	Completed
TCRP B-20	Enhancing the Visibility and Image of Transit	Completed
TCRP B-21	Effective Approaches to Meeting Rural Intercity Bus Transportation Needs	Completed
TCRP B-22	New Paradigms for Rural and Small Urban Transit Service Delivery	Completed
TCRP B-23	Resource Requirements for Demand-Responsive Transportation Services	Completed
TCRP B-24	Toolkit for Rural Community Coordinated Transportation Services	Completed
TCRP B-25	Guidelines for Evaluating, Selecting, and Implementing Suburban Transit Services	Final
TCRP B-26	Carsharing: Where and How It Succeeds	Completed
TCRP B-27	Cost Benefit Analysis of Providing Non-Emergency Medical Transportation	Completed
TCRP B-28	Improving ADA Complementary Paratransit Demand Estimation	Final
TCRP B-28A	Improving ADA Complementary Paratransit Demand Estimation--Phase II: Regional Travel Demand Forecasting	Final
TCRP B-29	Transit Market Research: Leveraging ITS and Transit ITS Data	Final
TCRP B-30	Optimal Split of Dedicated and Nondedicated Service for Demand-Responsive Paratransit	Final
TCRP B-31	Guidebook for Measuring, Assessing, and Improving Performance of Demand-Response Transportation	Final
TCRP B-31A	Guidebook for Measuring, Assessing, and Improving Demand Response Transportation in Rural Areas	Final
TCRP B-32	Understanding How to Motivate Communities to Support and Ride Public Transportation	Final
TCRP B-33	Practical Measures to Increase Transit Industry Advertising Revenues	Final
TCRP B-34	Guidebook for Commingling ADA-Eligible and Other Passengers on ADA-Complementary Paratransit Services	Final
TCRP B-35	A Guide for Planning and Operating Flexible Public Transportation Services	Final
TCRP B-36	Methods for Forecasting Demand and Quantifying Need for Rural Passenger Transportation	Completed
TCRP B-37	Estimation of Demand for Rural Intercity Bus Services	Final
TCRP B-38	Guidelines for Providing Access to Public Transportation Stations	Final
TCRP B-39	Audience Measurement for Transit Advertising	Final	Completed and published as WEB Document Only 57
TCRP B-40	Strategy Guide to Enable and Promote the Use of Fixed-Route Transit by People with Disabilities	Final
TCRP B-41	Travel Training for Older Adults: A Handbook	Completed
TCRP B-42	Community Toolbox for Improving Options and Coordination of Transportation for Military Service Members, Veterans, and their Families	Final
TCRP B-43	Use of Web-based Customer Feedback to Improve Public Transit Services	Final	Completed- This report has been published as TCRP Report 179
TCRP B-44	Examining the Effects of Separate Non-Emergency Medical Transportation (NEMT) Brokerages on Transportation Coordination	Final
TCRP B-45	Transportation to Dialysis Centers: Health/Transportation Policy Intersection	Final
TCRP B-46	Tactile Wayfinding in Transportation Settings for Travelers Who Are Blind or Visually Impaired	Completed
TCRP B-47	Impact of Transformational Technologies on Underserved Populations	Active	Research in progress. An interim meeting was held in December 2021.
TCRP B-48	The Provision of Alternative Services by Transit Agencies: The Intersection of Regulation and Program Objectives	Completed	Completed - Pre-publication TCRP Research Report 239
TCRP B-49	Improving Public Transportation in Rural Areas and Tribal Communities	Completed
TCRP B-50	Accessible Public Bus and Rail Passenger Information for Riders with Vision Disabilities	Active	Research in Progress
TCRP B-51	Floating Transit Stops and Passengers with Vision Disabilities	Active
TCRP B-52	Intercity Bus: The State Role Updated	Pending
TCRP B-53	Addressing Travel Needs of Women on Public Transportation	Active
TCRP B-54	Improving Inclusion by Addressing Gaps in Measuring Disability in Transportation Data Systems	Pending	In contracting
TCRP B-55	Guidelines for Surveying Hard-to-Reach Populations for Small, Medium, and Large Transportation Agencies	Pending
TCRP B-56	Using Market Segmentation to Increase Transit Ridership: An Updated Handbook	Pending
TCRP B-57	Innovative Marketing and Customer Communication Strategies for Rural Transit	Anticipated	In development
TCRP C-01	Personal Mobility Aid Securement and Passenger Restraint on Transit Vehicles	Completed
TCRP C-02	Applicability of Low-Floor Light Rail Vehicles in North America	Completed
TCRP C-03	Wheel/Rail Noise Mitigation	Completed
TCRP C-03A	Field Testing of Wheel/Rail Noise Control Technologies	Completed
TCRP C-04	Enhancement of Vehicle Window Glazing for Vandal Resistance and Durability	Completed
TCRP C-05	Impact of Radio Frequency Refarming on Transit Communications	Completed
TCRP C-06	Improved Methods for Increasing Wheel/Rail Adhesion in the Presence of Natural Contaminants	Completed
TCRP C-06A	Demonstration of Improved Methods for Increasing Wheel/Rail Adhesion in the Presence of Natural Contaminants	Completed
TCRP C-07	Technology Assessment of Refueling-Connection Devices for CNG, LNG, and Propane	Completed
TCRP C-08	A Framework for Evaluating Fuel Options for Transit Buses	Completed
TCRP C-09	Paratransit Vehicle Specifications and Related Special Maintenance Requirements	Completed
TCRP C-10A	Understanding and Applying Advanced On-Board Bus Electronics	Completed
TCRP C-10B	Hybrid Electric Transit Buses: Status, Benefits, and Issues	Completed
TCRP C-10C	New Designs and Operating Experiences with Low-Floor Buses	Completed
TCRP C-11	Hazard Assessment and Mitigation of Alternative-Fuel-Related Systems in Transit Bus Operations	Completed
TCRP C-12	Configuration Options Supplement to Standard Purchase Specifications for Transit Buses	Completed
TCRP C-13	30-Foot Transit Bus Technical Specification	Completed
TCRP C-14	Technical Assistance for Development of Bus Standards	Completed
TCRP C-15	Assessment of Hybrid-Electric Transit Bus Technology	Completed
TCRP C-16	Center Truck Performance on Low-Floor Light Rail Vehicles	Completed
TCRP C-17	Development of Crash Energy Management Performance Requirements for Light-Rail Vehicles	Completed
TCRP C-18	Strategic Plan for Meeting Transit Industry Wireless Communications Needs	Completed
TCRP C-19	Guidebook for Evaluating Fuel Choices for Post-2010 Transit Bus Procurements: Update of TCRP Report 38	Completed
TCRP C-20	Use of Mobility Devices on Paratransit Vehicles and Buses	Final
TCRP C-22	Bus Operator Workstation Design for Improving Occupational Health and Safety	Final
TCRP C-23	Assessing and Mitigating Electrical Fires on Transit Vehicles	Completed
TCRP C-24	Transit Traction Power Cables: Replacement Guidelines	Completed
TCRP C-25	Bus Operator Barrier Design	Completed
TCRP D-01	Rail-Corrugation Mitigation in Transit	Completed
TCRP D-02	Derailment of Transit Vehicles in Special Trackwork	Completed
TCRP D-03	Tunnel Track Reconstruction Methods Using Precast Concrete Systems	Completed
TCRP D-03A	Tunnel Track Reconstruction Methods Using Precast Concrete Systems	Completed
TCRP D-04	Visual Impact of Overhead Contact Systems for Electric Transit Vehicles	Completed
TCRP D-05	Performance of Direct-Fixation Track Structure	Completed
TCRP D-06	Track Design Handbook for Light Rail Transit	Completed
TCRP D-07	Joint Rail Transit Research with the Association of American Railroads/Transportation Technology Center, Inc.	Active
TCRP D-08	Improving Pedestrian Safety at Unsignalized Roadway Crossings	Completed
TCRP D-09	Transit Vehicles and Facilities on Streets and Highways	Final
TCRP D-10	Audible Signals for Pedestrian Safety in Light Rail Transit Environments	Completed	The revised final report has been published as TCRP Research Results Digest 84 and Web-Only Document 35.
TCRP D-11	Design, Operation, and Safety of At-Grade Crossings of Exclusive Busways	Final
TCRP D-12	Ground-Borne Noise and Vibration in Buildings Caused by Rail Transit	Final
TCRP D-13	A Guide for Implementing Bus-On-Shoulder (BOS) Systems	Completed
TCRP D-14	Track Design Handbook For Light Rail Transit, Second Edition	Completed
TCRP D-15	Effective Practices for the Protection of Transportation Infrastructure from Cyber Incidents	Completed
TCRP D-16	Improving the Safety and Sustainability of Stray Current Control of DC-Powered Rail Transit Systems	Completed
TCRP D-17	Detecting and Mitigating Low-Level DC Leakage and Fault Currents in Transit Systems	Completed
TCRP D-18	A Transit Agency Guide to Evaluating Secondary Train Detection/Protection Systems in Communications-Based Train Control (CBTC) Systems	Completed
TCRP D-19	Detecting and Mitigating Low-Level DC Fault Currents in Transit Systems (Phase II TCRP Project D-17)	Active
TCRP D-20	Investigation and Mitigation of Insulated Joint Electrical Failure	Active
TCRP D-21	Planning for the Future of Intermodal Passenger Facilities: Guide and Decision-Making Framework	Final
TCRP D-22	A Frog Design Primer and Research Roadmap	Active
TCRP D-23	Manual for Planning and Constructing a Small, Rural, or Tribal Transit Facility	Pending
TCRP D-24	Determination of Actual Derailment Loads on Transit Bridges	Active
TCRP D-25	Track Design Handbook for Light Rail Transit, 3rd Edition	Pending
TCRP D-26	A Rational Approach to Performing Rail Structure Interaction (RSI) Analysis and Transit Bridge Design Criteria	Pending
TCRP D-27	Establishing Design Loads, Load Combinations, and Structural Design Methodology for OCS Poles and Foundations	Anticipated	In development
TCRP D-28	Passenger Station Platform Design Considerations and Innovations for Aesthetics and Durability	Anticipated	In development
TCRP E-01	Innovative Maintenance Procedures for Transit Buses	Completed
TCRP E-02	Artificial Intelligence for Transit Railcar Diagnostics	Completed
TCRP E-02A	Demonstration of Artificial Intelligence Technology for Transit Railcar Diagnostics	Completed
TCRP E-03	Inventory Management for Bus and Rail Public Transit Systems	Completed
TCRP E-03A	Applications for Improved Inventory Management for Public Transit Systems	Completed
TCRP E-04	Guidelines for the Development of Public Transportation Management Systems	Completed
TCRP E-05	A Guidebook for Developing and Sharing Transit Bus Maintenance Practices	Completed
TCRP E-06	Transit Bus Mechanics: Building for Success--The ASE Transit Bus Maintenance Certification Test Series	Completed
TCRP E-07	Establishing a National Transit Industry Rail Vehicle Technician Qualification Program: Building for Success	Completed
TCRP E-08	Extending and Deepening National Transit Training Standards	Completed
TCRP E-09	State of Good Repair: Prioritizing the Rehabilitation and Replacement of Existing Capital Assets and Evaluating the Implications for Transit	Final
TCRP E-09A	Guidance for Applying the State of Good Repair Prioritization Framework and Tools	Final
TCRP E-10	Maintenance Technician Staffing Levels for Modern Public Transit Fleets	Final	Completed. Published as TCRP Report 184
TCRP E-11	The Relationship Between Transit Asset Condition and Service Quality	Final
TCRP E-12	Guidance for Calculating the Return on Investment in Transit State of Good Repair	Final
TCRP E-13	COVID-19 and Transit Air Quality Protections (Insight Event)	Completed	Insight Event was hosted in the summer of 2022. Session records are posted online.
TCRP E-14	Lithium-Ion Battery Transit Bus Fire Prevention and Risk Management	Active
TCRP E-15	Air Quality Inside Buses	Active
TCRP F-01	Fitness-for-Duty Testing in the Transit Workplace	Completed
TCRP F-02	Innovative Labor-Management Practices	Completed
TCRP F-03	Total Quality Management in Public Transportation	Completed
TCRP F-04	Bus Operator Workstation Evaluation and Design Guidelines	Completed
TCRP F-05	Closing the Knowledge Gap for Transit Vehicle Maintenance Employees--A Systems Approach	Completed
TCRP F-06	Guidelines for the Effective Use of Uniformed Transit Police/Security Personnel	Completed
TCRP F-06A	Developing Useful Transit-Related Crime and Incident Data	Completed
TCRP F-07	Part-Time Transit Operators: The Trends and Impacts	Completed
TCRP F-09	Managing Transit's Workforce in the New Millennium	Completed
TCRP F-10	Toolbox for Transit Operator Fatigue	Completed
TCRP F-11	Positioning the Public Transportation Operating Agency as an Employer of Choice	Final
TCRP F-12	Employee Compensation Guidelines for Transit Providers in Rural and Small Urban Areas	Final
TCRP F-13	Vehicle Operator Recruitment, Retention, and Performance in ADA Complementary Paratransit Services	Completed	Published as TCRP Report 142
TCRP F-14	Addressing Critical Shortfalls: Recruitment, Development, and Retention of High-Quality Managers for Public Transportation Systems	Final
TCRP F-15	A Practical Guide for Recruiting Minorities for Chief Executive Officers at Public Transportation Agencies	Final	Completed--Published as TCRP Report 148
TCRP F-16	Building a Sustainable Workforce in the Public Transportation Industry—A Systems Approach	Final	Completed
TCRP F-16A	Building a Sustainable Workforce in the Public Transportation Industry--A Systems Approach	Completed
TCRP F-17	Improving Transit Bus Operator Health, Wellness, and Retention	Final
TCRP F-18	Policing and Security Practices for Small- and Medium-Sized Public Transit Systems	Completed
TCRP F-19	A National Training and Certification Program for Transit Vehicle Maintenance Instructors	Final
TCRP F-20	Transit Labor-Management Partnerships: What Makes Them Work? What Makes Them Last?	Final
TCRP F-21	Tools and Strategies for Eliminating Assaults Against Transit Operators	Completed	Completed
TCRP F-22	Identifying Best Practices and Sharing Resources for Transit Technical Training	Completed	Completed; Published as TCRP Research Report 199: Transit Technical Training, Vol. 1: Guide to Applying Best Practices and Sharing Resources
TCRP F-23	Knowledge Management Resource to Support Strategic Workforce Development for Transit Agencies	Final
TCRP F-24	Overcoming Barriers to Implementing Best and Innovative Training Practices for Public Transportation’s Frontline Workforce	Final	Completed; Published as TCRP Research Report 199: Transit Technical Training, Volume 2: Guide to Overcoming Barrier to Implementing Best and Innovative Training
TCRP F-25	Improving the Safety, Health, and Productivity of Transit Operators Through Adequate Restroom Access	Final	Completed. Published as TCRP Research Report 216.
TCRP F-26	Improving the Health and Safety of Transit Workers with Corresponding Impacts on the Bottom Line	Completed
TCRP F-26A	Improving the Health and Safety of Transit Workers with Corresponding Impacts on the Bottom Line	Anticipated	In development
TCRP F-27	Characteristics and Elements of Non-Punitive Employee Safety Reporting Systems for Public Transportation	Final
TCRP F-28	Practitioner's Guide to Bus Operator Workforce Management	Final
TCRP F-29	Mental Health, Wellness, and Resilience for Transit System Workers	Completed	Research is complete.
TCRP F-30	Guide for Protecting Transportation Employees and the Traveling Public from Airborne Diseases	Final
TCRP F-31	Modernizing Transit Station Staffing Approaches	Active
TCRP F-32	Enhancing Transit Organizational Culture to Improve Employee Psychological Health and Safety, Recruitment, and Retention	Pending
TCRP F-33	Recruiting, Developing, and Retaining Individuals with Disabilities for Careers in Public Transportation	Active
TCRP F-34	Licensing Public Transportation Vehicle Operators	Pending
TCRP G-01	Information Technologies--State-of-the-Art Applications for Transit Properties	Completed
TCRP G-02	Bar Coding in Transit Operations and Maintenance	Completed
TCRP G-03	Tools for Transit Risk-Exposure Identification and Treatment for Bus Systems	Completed
TCRP G-04	Developing Standards for System and Subsystem Interfaces in Electric Rail Passenger Vehicles	Completed
TCRP G-04A&B	Developing Standards for System and Subsystem Interfaces in Electric Rail Passenger Vehicles-Extension	Completed
TCRP G-05	Management Practices at Small Urban and Rural Public Transportation Systems	Completed
TCRP G-06	A Guidebook for Developing a Transit Performance-Measurement System	Completed
TCRP G-07	Managing Capital Costs of Major Federally Funded Public Transportation Projects	Completed
TCRP G-08	A Guidebook for the Evaluation of Project Delivery Methods	Final
TCRP G-09	Sharing the Costs of Human Services Transportation	Completed
TCRP G-10	Guidebook for Estimating “Soft Costs” for Major Public Transportation Capital Infrastructure Projects	Completed
TCRP G-11	A Methodology for Performance Measurement and Peer Comparison in the Public Transportation Industry	Completed
TCRP G-12	Guidebook for Evaluating Fuel Purchasing Strategies for Public Transit Agencies	Completed
TCRP G-13	Developing an ITS Technology Web Portal for Transit System Leaders	Completed
TCRP G-14	Contracting Commuter Rail Services	Final	Completed; Published as Report 200 Vol. 1 & 2
TCRP G-15	Public Transportation Resource for Small- and Medium-Sized P3 Initiatives	Final
TCRP G-16	Development of Transactional Data Specifications for Demand-Responsive Transportation	Final
TCRP G-17	Assessing Lifecycle and Human Costs of Bus Operator Workstation Design and Components	Active
TCRP G-18	Improving Access and Management of Transit ITS Data	Completed
TCRP G-19	Strategies for Implementing Same-Day Paratransit Services	Anticipated	In development
TCRP H-01	An Evaluation of the Relationships Between Transit and Urban Form	Completed
TCRP H-02	Measuring and Valuing Transit Benefits and Disbenefits	Completed
TCRP H-03	Policy Options to Attract Auto Users to Public Transportation	Completed
TCRP H-04	Transit Policy-Related Research	Completed
TCRP H-04A	Strategies for Influencing Choice of Urban Travel Mode	Completed
TCRP H-04B	Transit Markets of the Future--The Challenge of Change	Completed
TCRP H-04C	Institutional Barriers to Intermodal Policies and Planning in Metropolitan Areas	Completed
TCRP H-04D	The Role of Transit in Creating Livable Metropolitan Communities	Completed
TCRP H-04D(2)	The Role of Street Design and Traffic Management in Supporting Transit and Livable Communities	Completed
TCRP H-04E	Sustainable Transportation	Completed
TCRP H-05	Identification of Research Needs to Increase U.S. Transit Ridership	Completed
TCRP H-06	Transit Fare-Pricing Strategy in Regional Transportation Systems	Completed
TCRP H-07	Funding Strategies for Public Transportation	Completed
TCRP H-08	Using Public Transportation to Reduce the Economic, Social, and Human Costs of Personal Immobility	Completed
TCRP H-09	Economic Impact Analysis of Transit Investments	Completed
TCRP H-10	The Costs of Sprawl--Revisited	Completed
TCRP H-11	Assessment of the Economic Impacts of Rural Public Transportation	Completed
TCRP H-12	Integrated Urban Models for Simulation of Transit and Land-Use Policies	Completed
TCRP H-13A	Consequences of the Development of the Interstate Highway System	Completed
TCRP H-13B	Trends in Single-Occupant Vehicles and Vehicle Miles of Travel Growth in the United States	Completed
TCRP H-14	National Policies and Attitudes Affecting Public Transit: An International Comparison	Completed
TCRP H-15	Projects to Support "Mobility for the 21st Century"	Completed
TCRP H-15A	Welfare to Work: Integration and Coordination of Transportation and Social Services	Completed
TCRP H-16	A National Transit Industry Labor-Management Cooperation Program: New Paradigms for Labor-Management Relations in the Transit Industry of the 21st Century	Completed	Completed; Three workshops conducted
TCRP H-19	Guidebook to Estimate and Present Benefits and Disbenefits of Public Transit	Completed
TCRP H-20	Geographic Information Systems (GIS) for Welfare to Work Transportation Planning and Service Delivery	Completed
TCRP H-21	Combating Global Warming Through Sustainable Surface Transportation Policy	Completed
TCRP H-21A	Combating Global Warming Through Sustainable Surface Transportation Policy	Completed
TCRP H-24	Public Transit Boards: Organizations and Characteristics	Completed
TCRP H-24A	Assessing the Effectiveness of Public Transportation Boards	Completed
TCRP H-25	Strategies for Increasing the Effectiveness of Commuter Choice Programs	Completed
TCRP H-25A	Strategies for Increasing the Effectiveness of Commuter Choice Programs	Completed
TCRP H-26	Economic Benefits of Coordinating Human Service Transportation and Transit Services	Completed
TCRP H-27	Transit-Oriented Development: State of the Practice, and Future Benefits	Completed
TCRP H-27A	Ensuring Full Potential Ridership from Transit-Oriented Development	Final
TCRP H-28	Uses of Archived AVL/APC Data to Improve Transit Performance and Management	Completed
TCRP H-29	A New Vision of Mobility: Guidance to Foster Collaborative Multimodal Decision Making	Completed
TCRP H-30	Strategies to Increase Coordination of Transportation Services for the Transportation Disadvantaged	Completed
TCRP H-31	Understanding How Individuals Make Travel and Location Decisions: Implications for Public Transportation	Final
TCRP H-32	Determining the Elements Needed to Create High-Ridership Transit Systems	Final
TCRP H-33	State and National Transit Investment Analysis: Quick-Response Analyses for SAFETEA-LU Commissions	Final
TCRP H-34	Local and Regional Funding Mechanisms for Public Transportation	Final
TCRP H-35	Role of Public Transportation in Emergency Evacuation (Supplement to SAFETEA-LU NAS/TRB Policy Study)	Completed
TCRP H-36	Reinventing the Interstate: A 'New Paradigm' for Multimodal Transportation Facilities	Final
TCRP H-37	Characteristics of Premium Transit Services that Affect Choice of Mode	Final
TCRP H-38	Developing, Enhancing, and Sustaining Tribal Transit Services	Completed
TCRP H-39	Methodology for Determining the Economic Development Impacts of Transit Investments	Completed
TCRP H-40	Guidelines for Ferry Transportation Services--A National Overview	Completed
TCRP H-41	Assessing and Comparing Environmental Performance of Major Transit Investments	Final
TCRP H-42	Making Effective Fixed-Guideway Transit Investments: Indicators of Success	Completed
TCRP H-43	Transforming Public Transportation Institutional and Business Models	Completed
TCRP H-44	Developing Partnerships Between Transportation Agencies and the Disability and Underrepresented Communities	Final	Completed--Published as TCRP Research Results Digest 107
TCRP H-45	Livable Transit Corridors: Methods, Metrics, and Strategies	Final
TCRP H-46	Quantifying Transit’s Impact on GHG Emissions and Energy Use: The Land Use Component	Final
TCRP H-47	Linking Transit Agencies and Land Use Decisionmaking	Final
TCRP H-49	Improving Transit Integration Among Multiple Transit Providers	Completed
TCRP H-50	Local Economic Development Measurement Tool for Transit	Final
TCRP H-51	Understanding Changes in Demographics, Preferences, and Markets for Public Transportation	Final
TCRP H-52	Decision-Making Toolbox to Plan and Manage Park-and-Ride Facilities for Public Transportation	Final
TCRP H-53	Tools for a Sustainable Transit Agency	Final
TCRP H-54	Guide to Equity Analysis in Regional Transportation Planning Processes	Final	Completed. Published as TCRP Research Report 214 Vol. 1 & Vol. 2.
TCRP H-55	Guidebook and Research Plan to Help Communities Improve Transportation to Health Care Services	Final
TCRP H-56	Redesigning Public Transportation Networks for a New Mobility Future	Final
TCRP H-57	Guide to Joint Development for Public Transportation Agencies	Completed
TCRP H-58	Prioritization of Public Transportation Investments	Final
TCRP H-59	Racial Equity, Black America, and Public Transportation	Active
TCRP H-60	Lessons Learned from Covid-19: Strategies to Enhance Racial and Social Equity Through Public Transportation As a Community Lifeline	Completed
TCRP H-61	A Guide for Resilient Zero-Emission Transit Bus Fleets	Active
TCRP H-62	Innovative Toolkit for Quantifying Rural Transit Benefits	Pending	In contracting
TCRP H-63	Measures of Transit Ambassador and Outreach Program Effectiveness	Anticipated	In development
TCRP J-01	Dissemination and Implementation of TCRP Research Findings	Active
TCRP J-02	TCRP Strategic Planning Process and Strategic Plan	Completed
TCRP J-03	International Transit Studies Program	Active	Continuing
TCRP J-04	Innovations Deserving Exploratory Analysis--The Transit IDEA Program	Active
TCRP J-05	Legal Aspects of Transit and Intermodal Transportation Programs	Active	Continuing
TCRP J-05/Topic 16-01	Updated Guide to Buy America Requirements	Completed
TCRP J-05/Topic 16-02	Legal Issues Concerning Transit Agency Use of Electronic Customer Data, Estimated Compensation	Completed
TCRP J-05/Topic 16-03	Public Transit Emergency Preparedness against Ebola and Other Infectious Diseases: Legal Issues	Completed
TCRP J-05/Topic 16-04	Technology Contracting for Transit Projects	Completed
TCRP J-05/Topic 17-01	Impact of the Americans with Disabilities Act on Transit Agency Liability	Final	Completed; Published as TCRP Legal Research Digest 54: Impacts of the Americans with Disabilities Act on Transit Agency Liability
TCRP J-05/Topic 17-02	Legal Implications of Video Surveillance on Transit Systems	Completed	The report is in publication. It will be published as TCRP Legal Research Digest 52 in late Spring 2018.
TCRP J-05/Topic 17-03	Legal Considerations in Relationships Between Transit Agencies and Ride-Sourcing Service Providers	Completed
TCRP J-05/Topic 18-01	Tax Increment Financing for Transit Projects	Completed	Completed. Published as LRD 55.
TCRP J-05/Topic 18-02	Codes of Conduct on Transit Vehicles and Property: Legal Issues	Completed	Research Complete.
TCRP J-05/Topic 18-04	Joint Development Agreements Using FTA Funds or FTA-Funded Assets	Final	Completed. Published as LRD 56.
TCRP J-05/Topic 18-05	Fix It, Sign It, or Close It: State of Good Repair in an Era of Budget Constraints	Completed	Completed. Published as TCRP LRD 57 and NCHRP LRD 84.
TCRP J-05/Topic 19-01	Legal Issues Regarding Multijurisdictional Transit Agencies	Pending
TCRP J-05/Topic 19-02	Legal Issues and Emerging Technologies	Final	Completed. Published as TCRP LRD 59.
TCRP J-05/Topic 19-03	Navigating the Complexities of Sensitive Security Information (SSI) and Protected Critical Infrastructure Information (PCII)	Completed	Research Complete.
TCRP J-05/Topic 19-04	Transit Sponsor and Contractor Delay Damages and Remedies Due to Third Parties - Transit Facility Improvements-Common Legal Issues and Solutions	Pending
TCRP J-05/Topic 19-05	Legal Issues Surrounding Disasters and Evacuations	Pending	In Development.
TCRP J-05/Topic 20-01	Legal Issues in Transit Mega Projects--Case Studies	Final	Completed. Published as TCRP LRD 60.
TCRP J-05/Topic 20-02	Liability Insurance Issues for Transit Lawyers: A Primer	Pending
TCRP J-05/Topic 20-03	Policing and Public Transportation	Final	Completed. Published as LRD 58.
TCRP J-05/Topic 21-01	Update of Legal Research Digests Regarding Civil Rights, Privacy, and Other Related Digests	Pending
TCRP J-05/Topic 21-02	Legal Issues in Transit Agencies Providing/Subsidizing Innovative Micromobility Projects	Final	Research Completed. Published as TCRP LRD 61.
TCRP J-05/Topic 21-03	Update of Selected Studies in Transportation Law, Volume 5, 2014 Supplement (Transit Law)	Pending
TCRP J-05/Topic 22-01	Bus Stop Design and Location: Legal Impact on Tort and Civil Rights Lawsuits	Active	Research in Progress.
TCRP J-05/Topic 22-02	Status of State and Local Suspension and Debarment Programs and Barriers to Creation and Implementation for State and Local Programs	Anticipated	In development. Joint project with NCHRP 20-06/27-02.
TCRP J-05/Topic 22-03	Legal Aspects of Transit to Airports	Active	Research in Progress.
TCRP J-05/Topic 22-04	Update of Buy America	Pending
TCRP J-06	Quick Response for Special Needs	Active	Continuing Project
TCRP J-06, Task 21	A New Process for Determining TCRP New Paradigms Research Topics	Final
TCRP J-06, Task 29	Options For Financing Public Transportation Capital Projects	Completed
TCRP J-06, Task 30	Data Collection on Pupil Safety on Transit Buses	Completed
TCRP J-06, Task 33	Costs of Meeting Accessibility Requirements for Over-the-Road Buses	Completed
TCRP J-06, Task 59	Racial and Gender Diversity in State DOTs and Transit Agencies: Phase I Benchmark Scoping	Final	Completed-- Published as TCRP Report 120/NCHRP Report 585.
TCRP J-06, Task 67	Strategic Assessment of Wireless Capabilities and Needs for the Public Transportation Industry	Completed
TCRP J-06/Task 75	Guiding the Selection and Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities	Completed
TCRP J-07	Synthesis of Information Related to Transit Practices	Active
TCRP J-08	New Paradigms for Public Transit	Final
TCRP J-08A	New Paradigms for Public Transportation: A Scoping Study	Completed
TCRP J-08B	New Paradigms for Local Public Transportation Organizations	Completed
TCRP J-09	e-Transit: Electronic Business Strategies for Public Transportation	Completed
TCRP J-09, Task 11	The e-Zine Technology Knowledge Center for Transit	Final	Completed
TCRP J-09, Task 12	eTransit: Electronic Business Strategies for Public TransportationNew and Emerging Information Technologies for Public Transportation	Final	Completed published as TCRP Report 84, Volume 8.
TCRP J-09/Task 13	Transit Enterprise Architecture and Planning Framework	Final	Completed Published asTCRP Report 84, Volume 9
TCRP J-10	Public Transportation Security Research	Completed
TCRP J-10A(01)	Update of FTA Transit System Security Program Planning Guide and FTA Transit Security Handbook	Completed
TCRP J-10A(02)	Security-Related Training and Customer Communications: Lessons Learned from September 11 by Transportation Providers	Completed
TCRP J-10A(03)	Intrusion Detection for Public Transportation Facilities	Completed
TCRP J-10A(04)	Scan for Tools for Prioritizing Anti-Terrorist Security Measures	Completed
TCRP J-10B(01)	Emergency Response Mobilization Strategies and Guidelines for Transit	Completed
TCRP J-10B(02)	Use of Portable Explosive Detection Devices	Completed
TCRP J-10B(03)	Robotic Devices	Completed
TCRP J-10B(04)	Communication of Threats	Completed
TCRP J-10B(05)	Transit Use of Dogs	Completed
TCRP J-10C	Guidelines for Transportation Emergency Training Drills and Exercises	Completed
TCRP J-10D	Developing and Updating Security Plans: A Pilot Course for Rural and Community-based Public Transportation Systems	Completed
TCRP J-10E	A Guide to Transportation and Hazards Resources	Completed
TCRP J-10F	Continuity of Operations Plans for Transportation Agencies	Completed
TCRP J-10G	Making Transportation Tunnels Safe and Secure	Completed
TCRP J-10H	Security Measures for Ferry Systems	Completed
TCRP J-10J	Public Transportation Passenger Security Inspections: A Guide for Decision Makers	Completed
TCRP J-11	Quick-Response Research on Long-Term Strategic Issues	Active
TCRP J-11/Task 17	Serving the Mobility Preferences of Generation Y	Final
TCRP J-11/Task 21	The Impact of New Technology-Enabled Mobility Services on Public Transportation	Final
TCRP J-11/Task 22	Value-Capture Financing for Public Transportation Projects	Final
TCRP J-11/Task 24	Private Transit : Existing Services and Emerging Directions	Final
TCRP J-11/Task 25	Broadening Understanding of the Interplay between Public Transit, Shared Mobility, and Personal Automobiles	Final
TCRP J-11/Task 26	Collaborations and Partnerships between Public Transportation and Transportation Network Companies (TNCs)	Final
TCRP J-11/Task 27	Low-Speed Automated Vehicles (LSAV) in Public Transportation	Final
TCRP J-11/Task 28	Analysis of Recent Public Transit Ridership Trends	Final
TCRP J-11/Task 29	Strategic Communications to Improve Support for Transit-Priority Projects	Final
TCRP J-11/Task 30	Quick-Build Projects to Improve Bus Transportation Services	Final
TCRP J-11/Task 33	Guidebook for Deploying Zero Emissions Transit Buses	Final
TCRP J-11/Task 34	The Effects of Vehicle Automation on the Public Transportation Workforce	Completed	Completed - Published as TCRP Research Report 232.
TCRP J-11/Task 35	Resource Guide for Improving Diversity and Inclusion Programs for the Public Transportation Industry	Final
TCRP J-11/Task 36	An Update on Public Transportation's Impacts on Greenhouse Gas Emissions	Final
TCRP J-11/Task 37	Transit and Micro-Mobility (Bikeshare, Scooter-share, etc.)	Completed	Research is completed. Published as TCRP Report 230.
TCRP J-11/Task 38	An Analysis of Green Bond Financing in the Public Transportation Industry	Final	Completed. Published as TCRP Research Report 222.
TCRP J-11/Task 39	Evaluation Framework for Fare-free Public Transportation	Final
TCRP J-11/Task 40	Homelessness: A Guide for Public Transportation	Final
TCRP J-11/Task 41	Pathways to Effective, Inclusive, and Equitable Virtual Public Engagement for Public Transportation	Final
TCRP J-11/Task 42	Transportation for People with Disabilities and Older Adults during COVID-19: Lessons for Emergency Response	Final
TCRP J-11/Task 43	Analysis of Public Transportation Health Impacts and Benefits	Completed
TCRP J-11/Task 44	Improving Access to Public Transportation Services and Facilities with Transit-Oriented Complete Streets	Active
TCRP J-11/Task 45	Future of Commuter Rail in North America	Active
TCRP J-11/Task 46	Zero-Emission Vehicles: New Tech, New Skills, New Jobs	Active
TCRP J-11/Task 47	Affordable Housing and Transit	Active
TCRP J-11/Task 48	Marijuana Testing Regulations and Employer Policies: Impacts on Public Transportation Employment	Pending
TCRP J-11/Task 49	Strategies to Increase Transit Ridership in the Post-Pandemic Era	Pending
TCRP J-11/Task 50	Transit Funding Sources and Governance Models	Pending
TCRP J-11/Task 51	Enhancing Transit Operations with Artificial Intelligence	Pending	In contracting
TCRP J-11/Task 52	Integrating Public Transit Equity Impacts into Economic Analyses	Anticipated	In development
TCRP J-11/Task 53	Optimizing Work Schedules for Transit Frontline Workers	Anticipated	In development
TCRP Synthesis J-07/Topic SA-01	Bus-Route Evaluation Standards	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-02	System-Specific Spare Bus Ratios	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-03	System-Specific Spare Rail Vehicle Ratios	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-04	AVL Systems for Bus Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-05	Customer Information at Bus Stops	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-06	Passenger Transfer System Review	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-07	Changing Roles and Practices of Bus Field Supervisors	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-08	Bus Transit Fare Collection Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-09	Passenger Counting Technologies and Procedures	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-09A	Accessibiity of Automated Fare Vending and Collection for Customers with Disabilities	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-10	Data Collection for Bus Planning and Monitoring	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-11	Transportation on College and University Campuses	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-12	Electronic Surveillance Technology on Transit Vehicles	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-13	Yield to Bus --State of the Practice	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-14	Real Time Bus Arrival Information Systems	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-15	Computer-Aided Scheduling and Dispatch in Demand-Responsive Transit Services	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-16	Uses of Higher Capacity Buses in Transit Service	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-17	AVL Systems for Bus Transit Update	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-18	Passenger Counting Systems	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-19	Transit Systems in College and University Communities	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-20	Light Rail Vehicle Collisions with Vehicles at Signalized Intersections	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-22	Bus Rail Preferential Treatments in Mixed Traffic	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-23	Practices in the Development and Deployment of Downtown Circulators	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-24	Video Surveillance Uses By Rail Transit Agencies	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-25	Use of Mobile Device Technology for Real-Time Transit Information	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-26	Implementation and Outcomes of Fare-Free Transit Systems	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-27	Off-Board Transit Fare Payment Using Proof-0f-Purchase Verification	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-28	Use of Electronic On-Street Signage in Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-29	Energy Savings Strategies for Transit Agencies	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-30	Maintaining Transit Effectiveness under Major Financial Constraints	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-31	Common Sense Approaches for Improving Transit Bus Speeds	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-32	System-Specific Spare Bus Ratios Update	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-33	Critical Incident Management and Clearance Practices for Rail Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-34	Open Data: Challenges and Opportunities for Transit Agencies	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-35	Better On-Street Bus Stops	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-36	OnBoard Camera Applications for Buses	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-37	Multi-agency Electronic Fare Payment Systems	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-38	Successful Practices and Training Initiatives to Reduce Accidents and Incidents at Transit Agencies	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-39	Managing Extreme Weather at Bus Stops	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-40	Planning and Design for Fire and Smoke Incidents in Underground Passenger Rail Systems	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-41	Battery Electric Buses - State of the Practice	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-42	College Student Transit Pass Programs	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-43	Transit Service Delivery Evaluation Standards	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-44	Comprehensive Bus Network Redesign	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-45	Current Practices In The Use of Onboard Technologies to Prevent Transit Bus Incidents and Accidents	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-46	Mobile Fare APPs Business Models	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-47	Transit Signal Priority – Current State of the Practice	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-48	Transit Security Preparedness – Current Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SA-49	Multi-Modal Fare Payment Integration	Final (Synthesis)	Complete. Published as TCRP Synthesis 144
TCRP Synthesis J-07/Topic SA-50	Cyber Security in Transit Systems	Final (Synthesis)	Completed. Published as TCRP Synthesis 158.
TCRP Synthesis J-07/Topic SA-51	Transit Safety Risk Assessment Methodologies	Final (Synthesis)	Complete. Published as TCRP Synthesis 157.
TCRP Synthesis J-07/Topic SA-52	Assessing Equity and Identifying Impacts Associated with Bus Network Redesigns	Final (Synthesis)	Complete. Published as TCRP Synthesis 159.
TCRP Synthesis J-07/Topic SA-53	BRT State of Practice, Experience, and Lessons Learned	Final (Synthesis)	Completed. Published as TCRP Synthesis 164.
TCRP Synthesis J-07/Topic SA-54	Pedestrian and Bicycle Safety in Bus/BRT Corridors	Final (Synthesis)	Completed. Published as TCRP Synthesis 169.
TCRP Synthesis J-07/Topic SA-55	On Street Bus Operations Management	Final (Synthesis)	Completed. Published as TCRP Synthesis 166.
TCRP Synthesis J-07/Topic SA-56	Use of Automatic Vehicle Monitoring (AVM) and Vehicle Health Monitoring/Diagnostic Systems by Transit Agencies	Active (Synthesis)
TCRP Synthesis J-07/Topic SA-57	Statewide Approaches to the Development of Comprehensive Transit Information Systems	Final (Synthesis)	Research Complete. Published as TCRP Synthesis 172.
TCRP Synthesis J-07/Topic SA-58	Analysis of Transit Exclusion Policies in Passenger Transportation Systems	Final (Synthesis)	Research Complete. Published as TCRP Synthesis 173.
TCRP Synthesis J-07/Topic SA-59	Electronic Surveillance of Railroad-Highway Crossings for Collison Avoidance, State of the Practice	Active (Synthesis)
TCRP Synthesis J-07/Topic SA-60	Examination of Transit Agency Coordination with Electric Utilities	Final (Synthesis)	Completed. Published as TCRP Synthesis Report 175.
TCRP Synthesis J-07/Topic SA-61	State of Practice for Transit Recovery in the Aftermath of Severe Weather Events	Active (Synthesis)
TCRP Synthesis J-07/Topic SA-62	Planning and Operations Initatives to Support Nighttime Off-Peak Transit Ridership	Active (Synthesis)	Active
TCRP Synthesis J-07/Topic SA-63	How Transit Operator Health and Wellbeing Affects Workforce Strength	Active (Synthesis)	In contracting
TCRP Synthesis J-07/Topic SA-64	Transit Scheduling and Dispatch Practice that Increase Operator Quality of Life	Active (Synthesis)	In contracting
TCRP Synthesis J-07/Topic SB-01	Integration of Bicycles and Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-02	Innovative Suburb-to-Suburb Transit Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-03	ADA Paratransit Eligibility Certification Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-04	Transit Advertising Revenue: New Sources and Structures	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-05	Communicating with Persons with Disabilities in a Multimodal Transit Environment	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-06	Use of Small Buses in Transit Service	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-07	Customer-Focused Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-08	Effective Use of Transit Web Sites	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-09	Operational Experiences With Flexible Transit Services	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-10	Transit Advertising Sales Agreements	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-11	Practices in Late Cancellation/No-Show Policies for ADA Paratransit	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-12	Integration of Bicycles and Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-13	Transit Agency Participation in Medicaid Transportation Programs	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-14	Methods of Ridership Communication	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-15	Cost Containment for Paratransit Rider Services	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-16	Integration of Paratransit and Fixed Route Transit Services	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-17	Innovative Rural Transit Services	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-18	Strollers, Carts and Other Large Items on Buses and Trains	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-19	Ridesharing as a Complement to Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-20	Uses of Social Media in Public Transportation	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-21	Transit Station and Stop Adoption Programs	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-22	Use of Customer Market Research Panels in Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-23	Integrating Passenger Ferry Service with Mass Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-24	Methods for Title VI Fare and Service Equity Analysis	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-25	Practices for Establishing ADA Paratransit Assessment Facilities	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-26	Use of Taxis in Public Transportation for People with Disabilities and Older Adults	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-27	Public Transit and Bikesharing	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-28	Administration of ADA Paratransit Eligibility Appeal Programs	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-29	Customer Focused Service Guarantees and Transparency Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-30	Microtransit or General Public Demand-Response Transit Services: State of the Practice	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-31	Implementing the US DOT Reasonable Modification Rule	Final (Synthesis)
TCRP Synthesis J-07/Topic SB-32	Use of Agency Trip Agreements in ADA Paratransit Service Delivery	Final (Synthesis)	Completed. Published as TCRP Research Results Digest 115.
TCRP Synthesis J-07/Topic SB-33	Uses of Social Media in Public Transportation	Final (Synthesis)	Complete. Published as TCRP Synthesis 156.
TCRP Synthesis J-07/Topic SB-34	Coordination of Public Transit Services and Investments with Affordable Housing Policies	Final (Synthesis)	Complete. Published as TCRP Synthesis 162.
TCRP Synthesis J-07/Topic SB-35	Customer Education and Awareness of On-Demand Mobility	Final (Synthesis)	Completed. Published as TCRP Synthesis 165.
TCRP Synthesis J-07/Topic SB-36	Dynamic Optimization on ADA Paratransit Service	Final (Synthesis)	Completed. Published as TCRP Synthesis 168.
TCRP Synthesis J-07/Topic SB-37	Transit Agency Goals and Non-Traditional Performance Indicators Focused on Equity	Active (Synthesis)
TCRP Synthesis J-07/Topic SB-38	Paratransit Fleet Configurations	Final (Synthesis)	Research Complete. Published as TCRP Synthesis 174.
TCRP Synthesis J-07/Topic SB-39	Improving Transit Customer Perception of Personal Security	Active (Synthesis)	Active
TCRP Synthesis J-07/Topic SB-40	Low-Income Transit Discount Provision at Public Transit Agencies in the United States	Active (Synthesis)
TCRP Synthesis J-07/Topic SB-41	Microtransit Solutions in Rural Communities: On-Demand Alternatives to Dial-A-Ride Services and Unproductive Coverage Routes	Active (Synthesis)	Research Completed. Publication pending.
TCRP Synthesis J-07/Topic SB-42	Operational and Service Factors When Integrating/Consolidating ADA Paratransit and On-Demand Services	Active (Synthesis)	Active
TCRP Synthesis J-07/Topic SB-43	Transit Agency Responses to Serving Individuals with Intellectual and Developmental Disabilities on ADA Paratransit	New	In contracting
TCRP Synthesis J-07/Topic SB-44	The State of Art Programs in Transit	Active (Synthesis)	In Contracting.
TCRP Synthesis J-07/Topic SB-45	Synthesis of Transit Agency Customer Experience Programs	Active (Synthesis)	In contracting.
TCRP Synthesis J-07/Topic SC-01	Safe Operating Procedures for Alternative Fuel Buses	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-02	Waste Control Practices at Bus Maintenance Facilities	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-03	Low-Floor Transit Buses	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-04	Retrofit of Buses to Meet Clean Air Regulations	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-05	Light Rail Vehicle Compression Requirements	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-06	Use of Rear-Facing Position For Common Wheelchairs on Transit Buses	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-07	Emergency Response Protocols for Natural Gas PoweredTransit Vehicles	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-08	Use of Mobile Data Terminals (MDTs) in Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SC-09	Use of Biodiesel in a Transit Fleet	Final (Synthesis)
TCRP Synthesis J-07/Topic SD-01	Regulatory Impacts of Design and Retrofit on Bus Maintenance Facilities	Final (Synthesis)
TCRP Synthesis J-07/Topic SD-02	Rail Transit Tunnel and Underground Structures Inspection Policy and Procedures	Final (Synthesis)
TCRP Synthesis J-07/Topic SD-03	Bus Use of Shoulders	Final (Synthesis)
TCRP Synthesis J-07/Topic SD-04	Rail Transit Track Inspection Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SD-05	Third Rail Insulator Failures- Current State of the Practice	Final (Synthesis)	Complete. Published as TCRP Synthesis 150.
TCRP Synthesis J-07/Topic SD-06	Transit Agency Relationships and Initiatives to Improve Bus Stops	Final (Synthesis)	Complete. Published as TCRP Synthesis 152.
TCRP Synthesis J-07/Topic SD-07	Red Tinted Bus Lanes Experience	Active (Synthesis)	Research in Progress.
TCRP Synthesis J-07/Topic SE-01	Transit Bus Service Line and Cleaning Functions	Final (Synthesis)
TCRP Synthesis J-07/Topic SE-02	Maintenance Productivity Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SE-03	Maintenance Staffing Levels for Light Rail Transit Systems	Final (Synthesis)
TCRP Synthesis J-07/Topic SE-04	Track Maintenance Costs on Rail Transit Properties	Final (Synthesis)
TCRP Synthesis J-07/Topic SE-05	Preventive Maintenance Intervals for Transit Buses	Final (Synthesis)
TCRP Synthesis J-07/Topic SE-06	Elevator and Escalator Maintenance Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SE-07	Maintenance Planning for Rail Asset Management – Current Practices	Final (Synthesis)	Complete. Published as TCRP Synthesis 151.
TCRP Synthesis J-07/Topic SE-08	Defining and Measuring “State of Good Repair” for Public Transit Assets and Infrastructure	New	In contracting
TCRP Synthesis J-07/Topic SF-01	Bus Occupant Safety	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-02	Employee Incentive Programs to Improve Transit Performance	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-03	Methods for Reducing Violence and Improving Transit Security	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-04	Monitoring Maintenance Performance	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-05	Emergency Preparedness for Transit Counter Terrorism	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-06	Practices in Ensuring Employee Availability	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-07	A Challenged Employment System: Hiring,Training,Performance Evaluation, and Retention of Bus Operators	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-08	Diversity Training Initiatives	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-09	Training for On-Board Bus Electronics	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-10	Corporate Culture as the Driver of Transit Leadership Practices	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-11	Transit Operator Health and Wellness Programs	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-12	Paratransit Manager's Skills, Qualifications, and Needs	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-13	Transit Security Update	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-14	Practices to Protect Bus Operators from Passenger Assault	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-15	Practices in Wayside Rail Track/Transit Worker Safety Protection	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-16	Improving Bus Transit Safety through Rewards and Discipline	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-17	Transit Bus Operator Distraction Policies and Outcomes	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-18	Use of Automotive Service Excellence (ASE) Tests Within Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-19	Addressing Difficult Customer Situations	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-20	Managing the Transit Scheduling Workforce	Final (Synthesis)
TCRP Synthesis J-07/Topic SF-21	Attracting, Retaining and Advancing Women in Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-01	Risk Management for Small and Medium Transit Agencies	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-03	Management Information Systems	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-04	The Role of Performance-Based Measures in Allocating Funding for Transit Operations	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-05	Managing Transit Construction Contract Claims	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-06	Paratransit Contracting and Service Delivery Methods	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-07	Identifying and Reducing Fraudulent Third Party Tort Claims Against Public Transit Agencies	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-08	Information Technology Update for Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-10	Performance-Based Measures in Transit Fund Allocation	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-11	Transit Asset Condition Reporting	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-12	Optimizing Bus Warranty	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-13	Practices for Utility Coordination in Transit Projects	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-14	ADA Paratransit Service Delivery Models	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-15	Contracting Fixed-Route Bus Transit Service	Final (Synthesis)
TCRP Synthesis J-07/Topic SG-17	The Use and Practice of Intelligent Transportation Systems in Real-Time Headway Based Service Bus Operations	Final (Synthesis)	Complete. Published as TCRP Synthesis 155.
TCRP Synthesis J-07/Topic SG-18	The Transit Analyst Toolbox: Analysis and Approaches for Reporting, Communicating, and Examining Transit Data	Final (Synthesis)	Complete. Published as TCRP Synthesis 153.
TCRP Synthesis J-07/Topic SG-19	Paratransit Service Delivery Models for Small Systems	Final (Synthesis)	Complete. Published as TCRP Synthesis 161.
TCRP Synthesis J-07/Topic SG-20	Performance Metrics in Third Party Contracts for Bus Operations and Maintenance	Final (Synthesis)	Research Complete. Published as TCRP Synthesis 171.
TCRP Synthesis J-07/Topic SH-01	Transit-Focused Development	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-02	Use of Flexible Funding Under ISTEA and TEA-21	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-03	Geographic Information Systems Applications in Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-04	Strategic Planning and Management in Transit Agencies	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-05	On-Board and Intercept Transit Survey Techniques	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-06	Fixed Route Transit Ridership Forecasting and Service Planning Methods	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-07	Web Based Survey Techniques for Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-08	Incorporating Bus Transit Service in Planning for New Development	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-09	Current Practices of Greenhouse Gas Emissions Savings from Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-10	Effective Use of Citizen Advisory Committees for Transit Planning and Operations	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-11	Pass Fare Arrangements for Public Employees	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-12	Relationships Between Street Cars and the Built Environment	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-13	Public Participation Strategies for Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-14	Sub-Allocating FTA Section 5307 Funding Among Multiple Recipients in Metropolitan Areas	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-15	Transit Supportive Parking Policies and Programs	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-16	Transit Agency Practices in Interacting with People Who are Homeless	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-17	Practices for Evaluating the Economic Impacts and Benefits of Transit	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-18	Public Transit Rider Origin-Destination Survey Methods and Technologies	Final (Synthesis)
TCRP Synthesis J-07/Topic SH-19	Considering the Unbanked in Cashless Fare Payment at Point of Service for Bus/Demand Response Services	Final (Synthesis)	Completed. Published as TCRP Synthesis 163
TCRP Synthesis J-07/Topic SH-20	Innovative Practices for Transit Planning at Small- to Mid-Sized Agencies	Final (Synthesis)	Completed. Published as TCRP Synthesis 154.
TCRP Synthesis J-07/Topic SH-21	Transit Fare Capping: Balancing Revenue and Equity Impacts	Final (Synthesis)	Complete. Published as TCRP Synthesis 160.
TCRP Synthesis J-07/Topic SH-22	Inclusive Public Participation in Transit Decision Making	Final (Synthesis)	Completed. Published as TCRP Synthesis 170.
TCRP Synthesis J-07/Topic SH-23	Partnerships for Equitable Pandemic Response and Recovery	Final (Synthesis)	Completed. Published as TCRP Synthesis 167.
TCRP Synthesis J-07/Topic SH-24	Impacts of Fentanyl and Substance Use on Transit	Active (Synthesis)	Research in Progress.
TCRP Synthesis J-07/Topic SH-25	Building Safe, Quality Access to Bus Stops for Rural and Exurban Communities	Active (Synthesis)	In contracting.
TFPE 00	Evaluations of FHWA Research & Technology Program Projects	Active
TFPE 01	Evaluation of the Asphalt Binder Quality Tester (TFPE-01)	Final
TFPE 02	Evaluation of the Exploratory Advanced Research (EAR) Program (TFPE-02)	Final
TFPE 03	Evaluation of Ultra-High Performance Concrete Connections (TFPE-03)	Final
TFPE 04	Evaluation of FHWA's Every Day Counts Program	Active
TFPE 05	Evaluation of FHWA's Initiative on Integrating NEPA and Permitting	Active
TFPE 06	Evaluation of the Transportation Pooled Fund Program	Active
TFPE 07	Evaluation of the Planning and Environment Linkages Program	Active
TFPE 08	TRB/FHWA Performance Evaluations: Evaluation of FHWA Highway Safety Information Systems (HSIS)	Anticipated
TFPE 09	TRB/FHWA Performance Evaluations: Evaluation of FHWA’s Focus on Reducing Rural Roadway Departures (FoRRRwD) Program	Anticipated
TFRS 01	Quality Assurance (QA) Aspects of Performance Related Specifications (PRS)	Completed	Publication decision pending.
TFRS TFRS-02	Lifecycle BIM for Infrastructure: A Business Case for Project Delivery and Asset Management	Final	Publication under CRP Special Release 4
TORS TO-01	Data, Metrics, and Analytic Methods for Assessing Equity Impacts of Surface Transportation Funding Programs: Pilot Testing	Anticipated	In development
Transit IDEA J-04/A	Innovation in Action: Accomplishments of the Transit IDEA (Innovations Deserving Exploratory Analysis) Program	Completed (IDEA)
Transit IDEA J-04/IDEA 001	Customer Satisfaction Index for the Mass Transit Industry	Completed (IDEA)
Transit IDEA J-04/IDEA 002	Adaptive Diagnostic System Project	Completed (IDEA)
Transit IDEA J-04/IDEA 003	Automated Wheel Inspection Station	Completed (IDEA)
Transit IDEA J-04/IDEA 004	Management Information Benefits of On-Board Integration of Electronic Fareboxes	Completed (IDEA)
Transit IDEA J-04/IDEA 005	Improved Passenger Counter and Classification System for Transit Applications	Completed (IDEA)
Transit IDEA J-04/IDEA 007	Wheelchair Restraint System, Baylor College of Medicine	Completed (IDEA)
Transit IDEA J-04/IDEA 008	Real-Time Transit Date Broadcast	Completed (IDEA)
Transit IDEA J-04/IDEA 009	The Independent Transportation Network: Alternative Transportation for the Elderly	Completed (IDEA)
Transit IDEA J-04/IDEA 010	Automatic Data Collection on Transit Users Via Radio Frequency Identification	Completed (IDEA)
Transit IDEA J-04/IDEA 011	Customers, Conflicts, and You: A Transit Operator's Guide to Problem Solving	Completed (IDEA)
Transit IDEA J-04/IDEA 013	Self Paced PC-Based Track Safety Training System	Completed (IDEA)
Transit IDEA J-04/IDEA 014	Market Study and Operational Test Results for the Instant Rent-A-Car (IRAC) Station Field Tests	Completed (IDEA)
Transit IDEA J-04/IDEA 015	Internet Information Sharing for Transit Maintenance	Completed (IDEA)
Transit IDEA J-04/IDEA 016	Transit Restraint System for Wheel Chairs	Completed (IDEA)
Transit IDEA J-04/IDEA 017	Operational Evaluation of a Rail-Based Wheel Gauge Inspection System	Completed (IDEA)
Transit IDEA J-04/IDEA 018	Pilot Testing Innovative Payment Operations for Independent Transportation Network (ITN)	Completed (IDEA)
Transit IDEA J-04/IDEA 019	Field Testing and Evaluation of the Transit Integrated Monitoring System	Completed (IDEA)
Transit IDEA J-04/IDEA 020	Non-Contact Sensor for Passenger Counting and Classification	Completed (IDEA)
Transit IDEA J-04/IDEA 021	Smart Parking Lot with Just-in-Time Bus Service	Completed (IDEA)
Transit IDEA J-04/IDEA 022	Sleeved Column System for Crashworthiness of Light Rail Vehicles	Completed (IDEA)
Transit IDEA J-04/IDEA 024	Operational Testing of Intelligent Rail Lubrication System	Completed (IDEA)
Transit IDEA J-04/IDEA 028	Transit Scrathitti Removal by Controlled Fire Polishing	Completed (IDEA)
Transit IDEA J-04/IDEA 029	Fare Machine Tactile/Audio Instruction System (Completed)	Completed (IDEA)
Transit IDEA J-04/IDEA 031	A Tool for Evaluating and Optimizing Bus Stop Location Decisions	Completed (IDEA)
Transit IDEA J-04/IDEA 032	Simulation and Animation Model for Planning and Designing Transit Facilities	Completed (IDEA)
Transit IDEA J-04/IDEA 033	Community Visualization In Design of Light Rail Transit Oriented Development	Completed (IDEA)
Transit IDEA J-04/IDEA 035	Innovative Bioterrorism Detection Technology for Transit Security	Completed (IDEA)
Transit IDEA J-04/IDEA 036	Cleaning Device for Electrified Third Rail Insulators	Completed (IDEA)
Transit IDEA J-04/IDEA 037	Bandwidth Expansion and Real-Time Surveillance for Security on Transit Buses	Completed (IDEA)
Transit IDEA J-04/IDEA 038	Assessment of Rear Facing Wheelchair Accommodation on BRT	Completed (IDEA)
Transit IDEA J-04/IDEA 039	Dynamic Tiimetable Generator from Schedule Data	Completed (IDEA)
Transit IDEA J-04/IDEA 040	Counter-Terrorism Chemical Detector for Rail Transit Systems	Completed (IDEA)
Transit IDEA J-04/IDEA 041	Track Geometry/Design Testing for Transit Applications	Completed (IDEA)
Transit IDEA J-04/IDEA 042	Detection of Radioactivity in Transit Stations	Completed (IDEA)
Transit IDEA J-04/IDEA 044	Cleaning and Recoating Electrified Third Rail Cover Boards	Completed (IDEA)
Transit IDEA J-04/IDEA 045	Chemical and Biological Decontamination System for Rail Transit Facilities	Completed (IDEA)
Transit IDEA J-04/IDEA 047	Cleaning Device for Electrified Third Rail Insulators Phase 2	Completed (IDEA)
Transit IDEA J-04/IDEA 049	SmartSander Enhancement for Commuter Rail	Completed (IDEA)
Transit IDEA J-04/IDEA 050	Developing Regional Mobility Management Centers	Completed (IDEA)
Transit IDEA J-04/IDEA 052	Travel Assistance Device (TAD) to Help Transit Riders	Completed (IDEA)
Transit IDEA J-04/IDEA 053	Ultraviolet Germicidal Irradiation for Transit Buses	Completed (IDEA)
Transit IDEA J-04/IDEA 054	Detection of Radioactivity in Transit Stations – Phase 2	Completed (IDEA)
Transit IDEA J-04/IDEA 055	Warning Device for Rail Transit Personnel for Approaching Trains	Completed (IDEA)
Transit IDEA J-04/IDEA 056	Detection of Explosives and Weapons in Transit Systems	Completed (IDEA)
Transit IDEA J-04/IDEA 057	Independent Wheelchair Securement	Completed (IDEA)
Transit IDEA J-04/IDEA 058	Google Transit Data Tool for Small Transit Agencies	Completed (IDEA)
Transit IDEA J-04/IDEA 059	Recoating Electrified Third Rail Cover Boards - Phase 2	Completed (IDEA)
Transit IDEA J-04/IDEA 060	TCIP Traveler Information Pilot Project	Completed (IDEA)
Transit IDEA J-04/IDEA 061	Flexible Carpooling to Transit Stations	Completed (IDEA)
Transit IDEA J-04/IDEA 062	Development of Maintenance Training Module for Bus Transit Technicians	Completed (IDEA)
Transit IDEA J-04/IDEA 063	Improving Bus Transit On-Time Performance through the Use of AVL Data	Completed (IDEA)
Transit IDEA J-04/IDEA 065	A Context Aware Transit Navigator	Completed (IDEA)
Transit IDEA J-04/IDEA 066	Advanced Wayside Energy Storage Systems (WESS) for Rail Transit	Completed (IDEA)
Transit IDEA J-04/IDEA 067	Diesel-Electric Locomotive Energy Recovery and Conversion	Completed (IDEA)
Transit IDEA J-04/IDEA 068	Light Rail Transit / Street Grade Crossing Safety System	Completed (IDEA)
Transit IDEA J-04/IDEA 069	Predictive Failure Mode Characterization System for Rail Transit Car Equipment	Completed (IDEA)
Transit IDEA J-04/IDEA 070	Effortless Passenger Identification System	Completed (IDEA)
Transit IDEA J-04/IDEA 071	Transit Information Access for Persons with Visual or Cognitive Impairments	Completed (IDEA)
Transit IDEA J-04/IDEA 072	Handheld Noncontact Electronic Rail Wheel Gauge	Completed (IDEA)
Transit IDEA J-04/IDEA 073	Innovative Operating Strategy for Paratransit Services	Completed (IDEA)
Transit IDEA J-04/IDEA 074	Apparatus for Gap Management	Completed (IDEA)
Transit IDEA J-04/IDEA 075	Transit Trip Planning Web Application	Completed (IDEA)
Transit IDEA J-04/IDEA 076	RideScout Mobile Application	Completed (IDEA)
Transit IDEA J-04/IDEA 077	Development of a Prototype Retrofit Bumper for Improved Light Rail Vehicle (LRV) Safety	Completed (IDEA)
Transit IDEA J-04/IDEA 078	Rail Neutral Temperature Monitoring for Rail Transit	Completed (IDEA)
Transit IDEA J-04/IDEA 079	Implementation of Smart Card Automatic Fare Collection (AFC) Technology in Small Transit Agencies for Standards Development	Completed (IDEA)
Transit IDEA J-04/IDEA 080	Enhancing Safety and Security of Transit Systems Using Computer Vision	Completed (IDEA)
Transit IDEA J-04/IDEA 081	Advanced Locomotive Exhaust Gas simulator to Fine-Tune Energy and Conversion Systems	Completed (IDEA)
Transit IDEA J-04/IDEA 082	Active Safety-Collision Warning Pilot in Washington State	Completed (IDEA)
Transit IDEA J-04/IDEA 083	Track Circuit Monitoring Tool: Standardization and Deployment at Chicago Transit Authority	Completed (IDEA)
Transit IDEA J-04/IDEA 084	Development of a Mass-Based Automated Passenger Counter	Completed (IDEA)
Transit IDEA J-04/IDEA 085	Location Aware Networks Optimizing Use of Transit	Completed (IDEA)
Transit IDEA J-04/IDEA 086	Advanced Neutral Temperature Estimation Using Solitary Waves (ANTEUSW)	Completed (IDEA)
Transit IDEA J-04/IDEA 087	Development of pathNav: A Pedestrian Navigation Tool that Utilizes Smart Data for Improved Accessibility and Walkability	Completed (IDEA)
Transit IDEA J-04/IDEA 088	Evaluation of an Automatic, Individual, Computer-Based Operator Education and Training Program	Completed (IDEA)
Transit IDEA J-04/IDEA 089	Dynamic Vehicle to Infrastructure TCIP Communications Laboratory Proof of Concept	Completed (IDEA)
Transit IDEA J-04/IDEA 090	sUAS-Based GeoINTEL for Commuter Rail Parking in Rual and Suburban Areas	Completed (IDEA)
Transit IDEA J-04/IDEA 091	Comprehensive Wayfinding for All (CWall)	Completed (IDEA)
Transit IDEA J-04/IDEA 092	Augmented Reality Transit Dispatcher Interface	Completed (IDEA)
Transit IDEA J-04/IDEA 093	An Open Platform for Transit Agencies to Improve the Quality of Their Real-time Data	Completed (IDEA)
Transit IDEA J-04/IDEA 094	Evaluation of Transit Vehicle Brake Inspection Through Ultrasonic Emissions Analysis	Completed (IDEA)
Transit IDEA J-04/IDEA 095	Connected and Automated Parking Feasibility/MDOT MTA Dorsey Run Pilot Project	Completed (IDEA)
Transit IDEA J-04/IDEA 096	Multi-stage Planning for Electrifying Transit Bus Systems with Multiformat Charging Facilities	Completed (IDEA)
Transit IDEA J-04/IDEA 097	Open Platform to Attract, Organize, and Coordinate Volunteers for Rural and Small Urban Transit	Completed (IDEA)
Transit IDEA J-04/IDEA 098	Safety Assessment of the Interaction Between the Autonomous Shuttle Bus and Vulnerable Road Users	Completed (IDEA)
Transit IDEA J-04/IDEA 099	Bike Love	Completed (IDEA)
Transit IDEA J-04/IDEA 100	TrainMate Robotic System: Making Public Transportation, Public	Completed (IDEA)
Transit IDEA J-04/IDEA 101	Multimodal Transit with Citopia	Completed (IDEA)
Transit IDEA J-04/IDEA 102	Magnetic Rail Movement Measuring Device (MRMMD)	Completed (IDEA)
Transit IDEA J-04/IDEA 103	Real-Time Trip Support for Multimodal Travelers	Active (IDEA)
TRB/AAMVA 19-01	RFQ: Demographic and Technological Trends Impacting the DMV of the Future	Pending