Project Number	Project Title	Stage	Comments
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	Completed
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 and Developing Standard Practices for Calibration, Certification, and Verification of Imaging Systems	Completed	To be published as NCHRP Research Report 1106.
NCHRP 01-61	Evaluation of Bonded Concrete Overlays on Asphalt Pavements	Final	This project was 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	Pending
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	Completed
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	To be continued under NCHRP 03-119(01)
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	This project was 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	Completed	To be 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	Update of Essential Communications: A Guide to Land Mobile Radio (LMR)	Anticipated	In development
NCHRP 03-130	Guide for Roundabouts	Completed
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)	Completed	Research is completed. The Guide is published as NCHRP Research Report 1068 and the Final Report is published as NCHRP Web-Only Document 368.
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	To be completed 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	Pending	Pending
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	Pending
NCHRP 03-146	Guide for Transportation Operations Manual Implementation	Pending
NCHRP 03-147	LED Applications on Traffic Control Devices	Pending	Contract pending at this time.
NCHRP 03-148	Preparing for Virtual Operation of Traffic Management Systems	Pending
NCHRP 03-149	Artificial Intelligence for Transportation Systems Management and Operations Applications	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	Pending
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	Completed	Publication decision pending.
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	Pending	Contract pending at this time.
NCHRP 05-27	Guide for Lighting at Innovative Intersections/Interchanges, including Roundabouts	Pending
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	Completed
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	Final report was 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	Pending	Contract pending at this time.
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	Active
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 Automatic Traffic Signal Performance Measurement Systems Applications	Pending	Contract Start Date is scheduled for 04/16/2024.
NCHRP 07-33	Evaluate the Benefits of Increasing Clear Zone at Higher Speed/Traffic Volume/Crash Locations	Pending
NCHRP 07-34	Artificial Intelligence for Transportation Systems Management and Operations Applications	Active
NCHRP 07-35	Improving Crash Data for Active Transportation Users	Pending
NCHRP 07-36	Guide for Self-Explaining Roads in the Context of the Safe System Approach	Pending
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 08-115	Guidebook for Data and Information Systems for Transportation Asset Management	Final
NCHRP 08-116		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	Completed
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	Completed	Research is complete. Final report under review.
NCHRP 08-124	Quantifying the Impacts of Corridor Management	Completed
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	Completed
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	Active
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	Active	The research team is proceeding with Phase IV
NCHRP 08-140	Guide for Truck Parking Information Management Systems	Active
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	Active	Research in progress
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	Completed
NCHRP 08-146	Integrating Resiliency into Transportation System Operations	Active
NCHRP 08-147	Improving Public Transportation in Rural Areas and Tribal Communities	Active	This project is a joint NCHRP TCRP project (TCRP B-49)
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	Active	Research in progress
NCHRP 08-150	Tools to Integrate Equity into Active Transportation and Safety Investments	Pending	Pending
NCHRP 08-151	Risk Management at State DOTs: Building Momentum and Sustaining the Practice	Active	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	Research Start Date: 01/16/2024
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	Best Practices for Data Fusion of Probe and Point Detector Data	Active
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	Pending
NCHRP 08-164	Institutional Integration of Active Transportation	Pending
NCHRP 08-165	Use of Active Transportation Data in Decision-Making	Pending
NCHRP 08-166	Racial and Socioeconomic Inequities in Active Transportation Safety	Pending
NCHRP 08-167	Guide for Creating Effective Transportation Visualizations	Pending	Contract pending at this time.
NCHRP 08-168	Analysis and Assessment of the National Performance Management Data	Pending	Contract pending.
NCHRP 08-169	Valuing Diversity, Equity, and Inclusion in Transportation Asset Management	Pending
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
NCHRP 08-173	NCHRP 08-173: Impacts of E-Commerce on Travel and Land Use Patterns	Pending
NCHRP 08-174	Development of a Surveying and Mapping Guide for Transportation Projects	Pending
NCHRP 08-175	Understanding Travel Behavior Impacts of Transportation Systems Management and Operations Strategies	Pending
NCHRP 08-176	Balancing Freight and Goods Delivery Needs in Designing Complete Streets	Pending	In development
NCHRP 08-177	Digitizing Bicycle and Pedestrian Treatments for Promoting Active Transportation Equity and Safety	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 08-178	Identifying and Evaluating Divided, Overburdened, and Underrepresented Communities	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 08-179	Strategies and Actions for Collaboration: A Guide for DOTs, MPOs, and Partners	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 08-180	Achieving Efficient Cultural Resources Management in Project Delivery	Pending
NCHRP 08-181	Impacts of Climate Change and Extreme Weather on the Mobility of Socially Vulnerable Populations	Pending
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	Pending
NCHRP 08-184	Induced Demand Assessment Framework: A Guide	Pending	A research agency has been selected for the project. The contracting process is underway.
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	Completed	Available as a Pre-Publication NCHRP Research Report 1060.
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	Active	Research in progress
NCHRP 09-66	Performance Properties of Laboratory Produced Recycled Plastic Modified (RPM) Asphalt Binders and Mixtures	Active	Research in progress
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	RFP
NCHRP 09-71	Framework for Design, Production, and Placement of Balanced Asphalt Mixtures	RFP
NCHRP 09-72	Sensitivity Evaluation of Balanced Mix Design Performance Tests	RFP
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	Active	Research in progress.
NCHRP 10-110	3D Modeling Guide for Construction Inspection	Final	To be completed under NCHRP 10-110A.
NCHRP 10-110A	Guide to Using 3D Models for Construction Inspection	RFP
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	The research team completed Phase II.
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	Pending	Contract pending at this time.
NCHRP 10-116	Quantifying Variability in Quality Characteristics of Pavements	Pending
NCHRP 10-117	Design and Repair of Glass Fiber Reinforced Polymer Concrete Bridge Barriers	Pending
NCHRP 10-118	Effective Timelines and Contractual Strategies for Accelerated Bridge Construction Projects	Pending	A research agency has been selected for the project. The contracting process is underway.
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	Pending	Contract Start Date is tentatively scheduled for 05/01/2024.
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	Pending	Contract pending at this time.
NCHRP 10-123	Incorporating Quality Assurance into Green Public Procurement Practices	Pending
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	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 10-127	Impact of Bolt Holes on the Performance of Steel Girders	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 10-128	Multiple-Sensor Weigh-In-Motion Systems to Enhance Data Accuracy and Reliability	Pending	In development
NCHRP 10-129	Field Studies of Steel Girder Fit-Up	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 10-13	Ultrasonic Measurement of Weld Flaw Size	Completed
NCHRP 10-130	Guide for Using Alternative Contracting Methods for Small Highway Projects	Pending
NCHRP 10-131	Laboratory Test Method for Estimating the Contribution of Geosynthetics to Pavement Performance	RFP
NCHRP 10-132	Understanding the Interaction Between Total Scour Components	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 10-133	Research Plan for Assessing Friction of Pavement Markings	RFP
NCHRP 10-134	Guidelines for the Selection of Performance-Related Tests for the Acceptance of Preservation Treatments	RFP
NCHRP 10-135	Guide for Subsurface Utility Engineering and Digital As-Built Data Management	Pending
NCHRP 10-136	Right-of-Way and Utility Risk Identification and Management	Pending	Contractor Selection meeting was conducted on 03/20/24.
NCHRP 10-137	Movable Bridge Construction Requirements	Pending
NCHRP 10-138	Guide for Early Right-of-Way Engineering Involvement	Pending
NCHRP 10-139	Enhancing Pavement Management Guidance	Pending
NCHRP 10-140	Guide for Right-of-Way Management with a Utility Awareness	Pending
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	Completed	To be 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	Completed	The final deliverables will be 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	Active
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	Completed	Will be published as NCHRP Research Report 1114
NCHRP 12-123	Proposed AASHTO Guideline for Load Rating of Segmental Bridges	Active	Research In Progress
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	Pending	A research agency has been selected for the project. The contracting process is underway.
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	Completed
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	This project was 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	Completed	Research is complete. NCHRP Research Report 1084 is now available. Publication decision is pending for an additional report.
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	Active	Research in progress.
NCHRP 14-48	Guidance for the Construction of Sand Seals and Ultra-thin Bonded Wearing Courses	Active
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	This project was 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	Pending	Contract pending.
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	Completed
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	Completed	To be published as NCHRP Research Report 1107.
NCHRP 15-69	Utility Conflict Impacts During Highway Construction	Completed	Research is complete. To be published as NCHRP Research Report 1110 and NCHRP WOD 396
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	This project was published as NCHRP Research Report 1022.
NCHRP 15-73	Design Options to Reduce Turning Motor Vehicle � Bicycle Conflicts at Controlled Intersections	Active	Research underway
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	Completed
NCHRP 15-76	Designing for Target Speed	Completed	Inactive. To be continued as NCHRP 15-76(01)
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	Pending
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	Active	Research in progress
NCHRP 17-101	Applying the Safe System Approach to Transportation Planning, Design, and Operations in the United States	Active
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	Pending	Pending
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	Pending	Pending
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	Pending
NCHRP 17-111	Speed Management Strategies to Improve Pedestrian and Bicyclist Safety on Arterials and Higher-Speed Roadways	Pending
NCHRP 17-112	Enhancing Crash Modification Factors and Safety Performance Functions for Pedestrian and Bicyclist Countermeasures	Active
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	Pending
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
NCHRP 17-119	Conflict-Based Crash Prediction Method for Intersections	Pending
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	Pending
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	Pending
NCHRP 17-124	Effectiveness of Speed Reduction in Work Zones	Pending
NCHRP 17-125	Guide for Applying Safe System Principles in the Road Safety Audit Process	Pending
NCHRP 17-126	Crash Prediction Models for Alternative and Unconventional Intersections	Pending
NCHRP 17-127	Guide for Applying Quantitative Highway Safety Analysis Methods	Pending
NCHRP 17-128	Reducing Adverse Driving Behaviors in Work Zones: Strategies and Guidelines	Pending
NCHRP 17-129	Assessing Safety Performance of Atypical Service Interchanges	Pending
NCHRP 17-13	Strategic Plan for Improving Roadside Safety	Completed
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	Active
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	This project was 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	Active	Research underway
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	The Final Report 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	Publication Pending
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	Completed	The remaining tasks have been transferred to a new project that is pending
NCHRP 18-21	Utilization of Alternative Supplementary Cementitious Materials in Highway Applications	Pending	Contractor Selection meeting was conducted on 03/19/24.
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	Active	Research in progress
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	Pending
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	Pending
NCHRP 19-25	Funding Needs for Maintenance and Preservation of Transportation Assets	Pending
NCHRP 19-26	Modernizing Fuel Tax Revenue Forecasting	Pending
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
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
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
NCHRP 20-06/Topic 22-02	Liability of State Departments of Transportation for Design Errors	Completed
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	Active	Research in Progress.
NCHRP 20-06/Topic 26-02	Analysis of Arbitration and Holdings in Construction Disputes	Completed	Research Completed. In Publication.
NCHRP 20-06/Topic 26-03	Multistate Coordination and Harmonization for AV Legislation	Completed	Research Completed. In Publication.
NCHRP 20-06/Topic 26-04	Pandemics and Contractual Issues	Completed	Research Completed.
NCHRP 20-06/Topic 27-01	Transportation Agency Liability for Roadside Safety Hardware	Pending
NCHRP 20-06/Topic 27-02	State and Local Suspension and Debarment Programs of Contractors	Final	Joint Project with TCRP J-05/Topic 22-02.
NCHRP 20-06/Topic 27-03	Environmental and Planning Law and Transportation	Pending
NCHRP 20-06/Topic 27-04	Managing Performance for Innovative Technology Contracts	Pending
NCHRP 20-06/Topic 27-05	Addressing Liability Issues of Proactive Safety Improvements	Pending
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 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	NCHRP 20-102(24) has been expanded in scope and budget to include this project.
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	Completed	Final deliverables pending.
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	Active
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	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 20-123(21)	Roadmap to Rewrite the Manual for Bridge Evaluation	Anticipated
NCHRP 20-123(22)	Update of the Active Transportation Council Research Roadmap	Anticipated
NCHRP 20-123(23)	A Strategic Plan for Equipment Management Research	Anticipated
NCHRP 20-123(24)	An Integrated Roadmap Approach to Multimodal Facility Selection for Delivering Transportation Projects	Anticipated
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	Active
NCHRP 20-130	Incorporating Human Factors Guidelines into Transportation Projects, Programs, and Practices	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	Active	The completion date shown here refers to active contracts; additional research may be undertaken as determined by the NCHRP Project 20-24 panel.
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(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(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	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 20-24(145)	Harnessing the Safe System Approach to Improve Traffic Safety	Pending	Pending
NCHRP 20-24(146)	Guide to Supporting and Sustaining Transportation Grant Programs for Local Governments and Tribes	Pending	Pending
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	Anticipated	In development
NCHRP 20-24(149)	Methods to Recruit New Talent in the Transportation Industry	Anticipated	In development
NCHRP 20-24(150)	An Exploration of Next Generation Data Sharing Between DOTs and 3rd Party Mapping Applications	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	Completed	Publication decision pending.
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	Active
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(43)	Implementing the Benefits of Green Infrastructure for Effective Roadside Water Management	Pending
NCHRP 20-44(44)	Implementing the Design Practices Guide for Applying Climate Change Information to Hydrologic and Coastal Design of Transportation Infrastructure	Pending
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	Pending
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	Pending
NCHRP 20-44(53)	Implementing the Areawide Approach to Roadway Safety Management and Safety Planning	Pending
NCHRP 20-44(54)	Training Program for the Emergency Management Playbook	Pending
NCHRP 20-44(55)	Workshops and Peer Exchanges on Pollinator Habitat Conservation Along Roadways	Anticipated	In development
NCHRP 20-44(56)	Trainings, Demonstrations, and Case Studies on Measuring and Communicating the Value of Access Management	Anticipated	In development
NCHRP 20-44(57)	Implementing Scenario Planning Across Transportation Agencies	Anticipated	In development
NCHRP 20-44(58)	Implementing the Research Results of NCHRP Research Report 1002, Metropolitan Planning Organizations: Strategies for Future Success	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
NCHRP 20-50(21)A	Enhancements of Climatic Inputs and Related Models for Pavement ME Using LTPP Climate Tool (MERRA-2)	Pending	The previous tasks conducted in Phase I was completed under NCHRP 20-50(21).
NCHRP 20-50(22)	LTPP Data Analysis: Feasibility of Using LTPP Data to Improve Use of FWD and Longitudinal Profile Measurements	Completed
NCHRP 20-50(22)A	LTPP Data Analysis: Guidelines to Improve Use of FWD and Longitudinal Profile Measurements	Active
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	Active
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 20-69	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	Completed
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	This project was 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	Completed
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	Completed	The final deliverables have been received. A publication decision is pending.
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 17-105 was added to NCHRP 22-43 as tasks V-VI
NCHRP 22-44	A Transportation Agency Data Collection Practice for Use with In-Service Performance Evaluations (ISPEs)	Completed	Publication decision pending.
NCHRP 22-45	Informing the Selection of Countermeasures by Evaluating, Analyzing, and Diagnosing Contributing Factors that Lead to Crashes	Completed	Research completed
NCHRP 22-46	Human Factors Guidelines for Road Systems, Proposed 4th Edition	Active
NCHRP 22-47A	Incorporating Driver Behavior and Characteristics into Safety Prediction Methods	Pending
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	Pending	Contract pending.
NCHRP 22-59	Safety Risks of Occupant Compartment Damage During Crashes	Pending
NCHRP 22-60	Guidelines for Crash Testing Roadside Safety Hardware for Motorcycles	Pending
NCHRP 22-61	Crashworthiness of Roadside Hardware Impacted by Battery Electric Vehicles	Pending
NCHRP 22-62	Tool for Estimating the Deflection of Temporary Traffic Barriers with Reduced Impact Angles	Pending
NCHRP 22-63	Verification and Validation Guidelines to Use Computer Simulation as an Alternative to Full-scale Crash Testing	Pending
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	Completed	Research project is completed
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	Completed
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	Completed	Final deliverables pending.
NCHRP 23-13(06)	Assessing the Equity and Workforce Mobility Implications of the Expansion of E-Commerce and Direct-to-Consumer Delivery Services	Active
NCHRP 23-14	Research Roadmap for Knowledge Management	Active
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	Completed
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	Active	Research in progress.
NCHRP 23-20	Guidebook for Implementation of UAS Operational Capabilities	Active	Research In Progress
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	Active
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	Pending
NCHRP 23-34	Performance Measures for Community-Centered Transportation Outcomes: A Guide	Pending	A research agency has been selected for the project. The contracting process is underway.
NCHRP 23-35	A Guide for Program-Level Risk Management Performance Metrics	Pending
NCHRP 23-36	Development of a Knowledge Capture Toolkit for State DOTs	Pending
NCHRP 23-37	Integrating Performance Management, Risk Management, and Process Improvement: A Guide	Pending
NCHRP 23-38	Incorporating Risk Management into Roadway Infrastructure Maintenance Practices	Pending
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	Pending
NCHRP 23-41	Using Emerging and Established Technologies for Asset Management: A Guide	RFP
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	Final 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	Completed. 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	Active	Research in progress
NCHRP 24-51	Effects of Construction Installation Methods on the Design and Performance of Drilled Shaft Foundations	Pending	Contract pending at this time.
NCHRP 24-52	Guidelines for Resilient Erosion- and Sediment-Control Practices	Pending
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	Completed
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	Completed	In publication process
NCHRP 25-65	Preparing Successful No-Effect and No-Adverse-Effect Section 106 Determinations: A Handbook for Transportation Cultural Resource Practitioners	Active	Research in progress
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	Pending
NCHRP 25-68	Documenting and Verifying Environmental Commitments	Pending
NCHRP 25-69	Guide to Increasing and Sustaining Native Flora in Roadside Vegetation	Pending
NCHRP 25-70	Evaluating Carbon Reduction in Project Selection and Planning	Pending
NCHRP 25-71	Roadside Vegetation Management Guidelines for Prevention and Management of Wildfire	Anticipated	In development
NCHRP 70-01	Private-Sector Provision of Congestion Data	Completed