Project Number Project Title Stage Comments
NCHRP 20-05Synthesis of Information Related to Highway PracticesActive
NCHRP 20-06Legal Problems Arising out of Highway ProgramsActiveHyperlinks to each LRD published since 1999 appear below (Topic 10-03 forward).
NCHRP 20-06/Topic 17-01Update of Selected Studies in Transportation, Volume One: Transportation Contract LawCompleted
NCHRP 20-06/Topic 17-02Tort Liability Defense Practices for Design FlexibilityFinal
NCHRP 20-06/Topic 17-03First RespondersCompleted
NCHRP 20-06/Topic 17-04Legal Aspects of Performance-Based Specifications for Highway Construction and Maintenance ContractsFinal
NCHRP 20-06/Topic 17-05The Ramifications of Post-Kelo Legislation on State TransportationFinal
NCHRP 20-06/Topic 18-01Legal Aspects of Conservation Easements—A Primer for Transportation AgenciesFinal
NCHRP 20-06/Topic 18-02Enforceability of Local Hire Preference ProgramsFinal
NCHRP 20-06/Topic 18-03Legal Issues Surrounding the Use of Digital Intellectual Property on Design and Construction ProjectsFinal
NCHRP 20-06/Topic 19-01Eminent Domain and Fair Market Value in a Depressed Real Estate MarketFinal
NCHRP 20-06/Topic 19-02Legal Aspect of Environmental Permitting in the Emergency Response EnvironmentActive
NCHRP 20-06/Topic 19-03Effect of MUTCD on Tort Liability of Government Transportation AgenciesFinal
NCHRP 20-06/Topic 19-04Use of Social Media in Transportation AgenciesCompleted
NCHRP 20-06/Topic 20-02Liability of Design Builders for Design, Construction and Acquisition ClaimsFinalCompleted and published as NCHRP LRD 68
NCHRP 20-06/Topic 20-03Permissible Arranges in Scope of Work for Construction ContractsFinalCompleted. Published as NCHRP LRD 67
NCHRP 20-06/Topic 20-04Due Diligence for Insurance Coverage in Transportation Construction ContractsFinalCompleted and Published as NCHRP LRD 66
NCHRP 20-06/Topic 21-01A Look at the Legal Environment for Driverless VehiclesFinalCompleted. Published as NCHRP LRD 69.
NCHRP 20-06/Topic 21-02Claims Related to Stormwater DischargesFinal
NCHRP 20-06/Topic 21-03Takings and MitigationFinalCompleted. Published as NCHRP Legal Research Digest 70
NCHRP 20-06/Topic 21-04Liability of Transportation Entity for the Unintentional Release of Secure Data or the Intentional Release of Monitoring Data on Movements or Activities of the PublicCompletedCompleted; Published as NCHRP Legal Research Digest 71
NCHRP 20-06/Topic 22-01Legal Requirements for State DOT Participation in Conservation PlansCompleted
NCHRP 20-06/Topic 22-02Liability of State Departments of Transportation for Design ErrorsCompleted
NCHRP 20-06/Topic 22-03Primer on Patentability and Use of Ideas Developed by Contractors Performing Work for State and Federal Transportation and Local Planning AgenciesCompletedCompleted- published as Legal Research Digest 73
NCHRP 20-06/Topic 22-04Summary of Federal Law Restricting Use of Highway Safety Data in Tort LitigationCompletedCompleted.
NCHRP 20-06/Topic 23-01Condemnation Hierarchy-Competing Public Uses FinalCompleted-Published as Legal Research Digest 78
NCHRP 20-06/Topic 23-04The Effectiveness of State False Claims Acts in Protecting State Transportation FundingCompletedComplete - published as LRD 79
NCHRP 20-06/Topic 23-05Update of Selected Studies in Transportation Law: Volume Eight, Section 3: Indian Transportation LawFinalCompleted; Published as NCHRP 76
NCHRP 20-06/Topic 23-06Update of Selected Studies in Transportation Law: Volume Eight, Section 1: Transportation Agencies and Civil RightsFinalCompleted. Published as NCHRP Report
NCHRP 20-06/Topic 24-01Buy America Requirements For Federal Highway ProjectsCompletedCompleted. Published as NCHRP LRD 80.
NCHRP 20-06/Topic 24-02Potential Liability Associated with Unstable Slope Management ProgramsCompletedCompleted. Published as NCHRP LRD 82.
NCHRP 20-06/Topic 24-03Guidelines for Drafting Liability Neutral Transportation Engineering DocumentsFinalCompleted. Published as NCHRP LRD 83
NCHRP 20-06/Topic 24-04The Legal Issues Concerning the Use of Transportation Facilities to Generate Revenue for State DOTsFinalCompleted. Published as NCHRP LRD 81.
NCHRP 20-06/Topic 24-05Fix It, Sign It, or Close It: State of Good Repair in an Era of Budget ConstraintsActiveResearch in Progress
NCHRP 20-06/Topic 25-01Public Liabilities Relating to Driveway PermitsActiveResearch in Progress
NCHRP 20-06/Topic 25-03Managing Enhanced Risk in the Mega Project EraActiveResearch in Progress
NCHRP 20-06/Topic 25-04Laws Governing Homeless Encampments in Transportation Rights-of-WayActiveResearch in Progress
NCHRP 20-06/Topic 25-05The Legal Issues Associated with Consequential Damages Provisions in Construction ContractsActiveResearch In Progress
NCHRP 20-06/Topic 25-06Legal Issues and Strategies for Best-Value Procurement for Highway ConstructionPending
NCHRP 20-06/Topic 25-07Review of Statutory and Case Law on Planning and Environmental LinkagesActiveResearch in Progress
NCHRP 20-07Research for AASHTO Standing Committee on HighwaysActive
NCHRP 20-07/Task 001The Development of a Cost-Effectiveness Approach to the Programming of Roadside Safety ImprovementsCompletedCompleted---Published as NCHRP Report 148
NCHRP 20-07/Task 002The Relation of Side-Slope Design to Highway SafetyCompletedCompleted---Published as NCHRP Report 158
NCHRP 20-07/Task 003The Development of an Effective Earth-Berm Vehicle DeflectorCompletedCompleted---Summarized in NCHRP Research Results Digest 77
NCHRP 20-07/Task 004Lateral Acceleration and Lateral Tire-Pavement Forces in a Vehicle Traversing Curves Relating to Available Pavement Skid-Resistant MeasuresCompletedCompleted---Summarized in NCHRP Research Results Digest 55
NCHRP 20-07/Task 005Effect of Curb Geometry and LocationCompletedCompleted---Published as NCHRP Report 150
NCHRP 20-07/Task 006Development of Impact Attenuators Utilizing Waste MaterialsCompletedCompleted---Published as NCHRP Report 157
NCHRP 20-07/Task 007Safety at Narrow Bridge SitesCompletedCompleted---Published as NCHRP Report 203
NCHRP 20-07/Task 008Energy and Transportation SystemsCompleted
NCHRP 20-07/Task 009Review of Highway Management Studies Co-Sponsored by AASHTO and HUFSAMCompleted
NCHRP 20-07/Task 010Review of Vehicle Weight/Horsepower Ratio as Related to Passing-Lane Design CriteriaCompleted
NCHRP 20-07/Task 011Longitudinal Occupancy of Freeways by UtilitiesCompleted
NCHRP 20-07/Task 012Guidelines for Citizen Participation in Transportation PlanningCompleted
NCHRP 20-07/Task 013Guidelines for Safety Criteria for Low-Volume RoadsCompletedCompleted---Published as NCHRP Report 214
NCHRP 20-07/Task 014A Policy on Geometric Design of Highways and StreetsCompleted
NCHRP 20-07/Task 015Development of a Simplified Pavement Management SystemCompletedCompleted---Published as NCHRP Report 215
NCHRP 20-07/Task 016Regulation of Movement of Hazardous CargoesCompleted
NCHRP 20-07/Task 017Evaluation of AASHO Road Test Satellite and Environmental StudiesCompleted
NCHRP 20-07/Task 018Standard Specifications for Highway BridgesCompleted
NCHRP 20-07/Task 019The Engineering Aspects of Highway Traffic Safety in an Age of Limited ResourcesCompleted
NCHRP 20-07/Task 020Vehicle Acceleration and Deceleration CharacteristicsCompleted
NCHRP 20-07/Task 021Need for Pavement Markings on Low-Volume RoadsCompleted
NCHRP 20-07/Task 022Encasement of Pipelines Through Highway and Railroad RoadbedsCompleted
NCHRP 20-07/Task 023Contracting Practices and Payment ProceduresCompleted
NCHRP 20-07/Task 024AASHTO Pavement Design GuideCompleted
NCHRP 20-07/Task 025STRS Support TaskCompleted
NCHRP 20-07/Task 026Research and Development Needs in Construction Engineering ManagementCompleted
NCHRP 20-07/Task 027Relationships Between Vehicle Configurations and Highway DesignCompleted
NCHRP 20-07/Task 028AASHTO Guide for Design of Pavement Structures - Training ProgramCompleted
NCHRP 20-07/Task 029Pavement Roughness and Rideability - Field EvaluationCompleted
NCHRP 20-07/Task 030Manual on Subsurface InvestigationsCompleted
NCHRP 20-07/Task 031Development of Comprehensive Bridge Specifications and CommentaryCompleted
NCHRP 20-07/Task 032Design and Construction Specifications for Segmental Concrete BridgesCompleted
NCHRP 20-07/Task 033AASHTO Evaluation of FHWA Research ProgramCompleted
NCHRP 20-07/Task 034AASHTO/AWS Bridge Welding Code Commentary and Draft Fracture Control PlanCompleted
NCHRP 20-07/Task 035Review of Traffic Signal Intensity StandardsCompleted
NCHRP 20-07/Task 036Assessment of Research on High Pressure Truck Tires - Pavement Performance InteractionCompleted
NCHRP 20-07/Task 037Development of an Asphalt Paving HandbookCompleted
NCHRP 20-07/Task 038AASHTO Guidelines for Pavement Management SystemsCompleted
NCHRP 20-07/Task 039Revision of AASHTO Pavement Overlay Design ProceduresCompleted
NCHRP 20-07/Task 040AASHTO Contribution to Support of the Highway Research Coordinating CouncilCompleted
NCHRP 20-07/Task 041AASHTO Guide for Recruitment and Retention of Transportation ProfessionalsCompleted
NCHRP 20-07/Task 042Truck Size and Weight Research and PolicyCompleted
NCHRP 20-07/Task 043Revision of the AASHTO Policy on Geometric Design of Highways and StreetsCompletedTask cancelled
NCHRP 20-07/Task 044Division 100 Revision of the AASHTO Guide Specifications for Highway ConstructionCompleted
NCHRP 20-07/Task 045Revision to the AASHTO Completed
NCHRP 20-07/Task 046AASHTO Guidelines for Bridge Management SystemsCompletedCompleted---Summarized in NCHRP Research Results Digest 186
NCHRP 20-07/Task 047Support for the Joint Committee on Truck Size and WeightCompleted
NCHRP 20-07/Task 048Development of a System for the Uniform Location of Subject Matter Within Standard SpecificationsCompleted
NCHRP 20-07/Task 049Follow-up on USA Asphalt Study Tour of EuropeCompleted
NCHRP 20-07/Task 050White Paper on the Feasibility of Longer Combination Vehicles (LCV)Completed
NCHRP 20-07/Task 051Synthesis of the Impacts of Truck Size and Weight on the Transportation System and the EconomyCompleted
NCHRP 20-07/Task 052Support for the Joint Committee on Domestic Freight PolicyCompleted
NCHRP 20-07/Task 053Profilograph Limitations, Correlation, and Calibration for Effective Performance Based SpecificationsCompleted
NCHRP 20-07/Task 054Impacts of Conversion to the Metric SystemCompleted
NCHRP 20-07/Task 055Support for National Quality InitiativesCompleted
NCHRP 20-07/Task 056Review of AASHTO Completed
NCHRP 20-07/Task 057Joint Task Force on Pavements' Workshop on SHRP LTPP Data and AnalysisCompleted
NCHRP 20-07/Task 058Information and Evaluation of Asphalt Rubber ResearchCompleted
NCHRP 20-07/Task 059Transportation Investment and Economic Expansion: Case StudiesCompleted
NCHRP 20-07/Task 060Support for Implementing the Clean Air Act Amendments of 1990Completed
NCHRP 20-07/Task 061Assessment of AASHTO Needs for Metric Conversions & Design of Metrication ClearinghouseCompleted
NCHRP 20-07/Task 062Rewrite of AASHTO Construction Guide Specifications into Imperative Mood and MetricCompleted
NCHRP 20-07/Task 063Development of a Manual for State Transportation ResearchCompleted
NCHRP 20-07/Task 064Review and Update of the AASHTO Guide for Bridge Maintenance Management, the AASHTO Manual for Bridge Maintenance, and the AASHTO Maintenance ManualCompletedCompleted
NCHRP 20-07/Task 065Recommended Practices for Sampling, Handling, and Testing of Pavement SamplesCompleted
NCHRP 20-07/Task 066Development and Training of Pavement Engineering PersonnelCompletedCompleted
NCHRP 20-07/Task 067AASHTO Publications in CD-ROM FormatCompletedCompleted
NCHRP 20-07/Task 068Polyethylene Pipe SpecificationsCompleted
NCHRP 20-07/Task 069Recommended Revisions to Construction Specifications for Highway BridgesCompletedCompleted
NCHRP 20-07/Task 070Developing Commentary for the ANSI / AASHTO / AWS D1.5-95 Bridge Welding Code Including the Fracture Control PlanCompletedCompleted
NCHRP 20-07/Task 071Co-Sponsorship of Winter Maintenance ProgramCompletedCompleted
NCHRP 20-07/Task 072Materials Characterization for Input to AASHTO Guide for Design of Pavement StructuresCompleted
NCHRP 20-07/Task 073High Strength Metric Fasteners for Bridge ApplicationsCompletedTask cancelled
NCHRP 20-07/Task 074Manual for Scientific Inquiry into Transportation Problems: Research MethodologiesCompleted
NCHRP 20-07/Task 075Geometric and Roadside Safety for Very Low Volume RoadsCompletedCompleted
NCHRP 20-07/Task 076Installation of Fiber Optic Facilities on Highway and Freeway Rights of WayCompleted
NCHRP 20-07/Task 077Improved Pavement Design WorkshopCompleted
NCHRP 20-07/Task 078Developing a Measurement System for the AASHTO/TRAC ProgramCompletedCompleted
NCHRP 20-07/Task 079Incorporating Canadian Projects into TRISCompletedCompleted
NCHRP 20-07/Task 080Information Clearinghouse for Continuous Quality ImprovementCompletedCompleted
NCHRP 20-07/Task 081Effect of Headlamp Design on Retroreflective Signs and Pedestrian SafetyCompletedCompleted
NCHRP 20-07/Task 082Enhancement to the Special Products Evaluation ListCompleted
NCHRP 20-07/Task 083Guide for Snow and Ice ControlCompletedCompleted
NCHRP 20-07/Task 084Developing a Model for Effective Transfer of Innovative TechnologiesCompleted
NCHRP 20-07/Task 085Report on Forum on Economic Returns of Transportation InvestmentsCompleted
NCHRP 20-07/Task 086Potential Credit Reform: Accessing Unobligated Highway Trust Fund BalancesCompletedCompleted
NCHRP 20-07/Task 087Investigate the Need for Research on the Performance of Portland Cement ConcreteCompletedCompleted
NCHRP 20-07/Task 088LRFD Specifications for Retaining WallsCompletedCompleted
NCHRP 20-07/Task 089LRFD Specifications for Plastic Pipe and CulvertsCompletedCompleted---Published as NCHRP Report 438
NCHRP 20-07/Task 090The Next Generation of TRAC PAC - A Hands-On Educational ProgramCompletedCompleted
NCHRP 20-07/Task 091Transportation Implications of Proposed Changes to the National Ambient Air Quality StandardsFinalCompleted
NCHRP 20-07/Task 092Durability of Precast Segmental BridgesCompleted
NCHRP 20-07/Task 093AASHTO Subcommittee Process EvaluationCompleted
NCHRP 20-07/Task 094Mitigating Nighttime Construction Noise, Vibrations, and Other NuisancesCompleted
NCHRP 20-07/Task 095Support for the AASHTO 350 Task ForceCompleted
NCHRP 20-07/Task 096Techniques for Acquiring ITS SoftwareCompletedCompleted
NCHRP 20-07/Task 097Bridge Performance MeasuresCompletedCompleted
NCHRP 20-07/Task 098Shear Design Methodology for Prestressed ConcreteCompleted
NCHRP 20-07/Task 099LRFD Design Criteria for Cotton Duck Pad (CDP) Bridge BearingsCompletedCompleted
NCHRP 20-07/Task 100Safety Appraisal of Suspension Bridge Main CablesCompletedCompleted
NCHRP 20-07/Task 101Lead States Web SiteCompleted
NCHRP 20-07/Task 102Project-Development Policies and PracticesCompletedCompleted
NCHRP 20-07/Task 103Development of AASHTO Committee Web SitesCompletedCompleted
NCHRP 20-07/Task 104Support for the Year 2000 National Conference on PavementsCompletedCompleted
NCHRP 20-07/Task 105Planning, Design, and Operation of Pedestrian FacilitiesCompletedCompleted
NCHRP 20-07/Task 106Thermal Movement Design Procedure for ConcreteCompletedCompleted
NCHRP 20-07/Task 107Shear Design Guidelines for Skewed Multi-Beam BridgesCompletedCompleted
NCHRP 20-07/Task 108Geometric Design Policy for Very Low-Volume Local Roads (<400 ADT)CompletedCompleted
NCHRP 20-07/Task 108AGeometric Design Policy for Very Low-Volume Local Roads (<400 ADT)FinalCompleted
NCHRP 20-07/Task 109Improved Contracting Methods for Highway Construction ProjectsCompletedCompleted
NCHRP 20-07/Task 110Support AASHTO Participation in Forum on Transportation Investments and Economic GrowthCompletedCompleted
NCHRP 20-07/Task 111Support for the AASHTO Task Group on Retroreflectivity StandardsCompleted
NCHRP 20-07/Task 112Geosynthetic Reinforcement in Roadway SectionsCompletedCompleted
NCHRP 20-07/Task 113Corrosion of Metals Above the Ground Surface: Transportation Related IssuesCompletedCompleted
NCHRP 20-07/Task 114Context Sensitive Design for Integrating Highway and Street Projects with Communities and the EnvironmentCompletedCompleted
NCHRP 20-07/Task 115Effective Practices in Consultant Usage by State Departments of TransportationCompletedCompleted---Report provided to AASHTO for distribution
NCHRP 20-07/Task 116User's Guide for Evaluating Sign RetroreflectivityCompletedCompleted
NCHRP 20-07/Task 117Benefit/Cost Study of RWIS and Anti-icing TechnologiesCompletedCompleted
NCHRP 20-07/Task 118A Supplemental Guideline for Highway Design to Accommodate Older Drivers and PedestriansCompletedCompleted
NCHRP 20-07/Task 119Environmental Best Practices CompetitionCompleted
NCHRP 20-07/Task 120Asset ManagementCompletedCompleted
NCHRP 20-07/Task 121Strategic Plan for Bridge Engineering ResearchCompleted
NCHRP 20-07/Task 122Load Rating by Load and Resistance Factor Evaluation MethodCompletedCompleted
NCHRP 20-07/Task 123Production of a U.S. Customary System of Units Version of the Year 2000 Highway Capacity ManualCompletedFunds shifted to Project 03-55(06) contract
NCHRP 20-07/Task 124Cost/Benefits of Constructability ReviewsCompletedCompleted
NCHRP 20-07/Task 125Summary of Research Peer Exchange Findings and RecommendationsCompletedCompleted
NCHRP 20-07/Task 126Production of the Year 2000 AASHTO Policy on Geometric Design of Highways and StreetsCompletedCompleted
NCHRP 20-07/Task 127A Strategic Plan (Road Map) for Pavement ResearchCompletedCompleted---Summarized in NCHRP Research Results Digest 276
NCHRP 20-07/Task 128Partnerships in Highway Development and Design for Shaping and Enhancing CommunitiesCompletedCompleted
NCHRP 20-07/Task 129Synthesis of Project Delivery TimesCompletedCompleted
NCHRP 20-07/Task 130Development of a Detailed Test Procedure by FTIR Identification for Structural Steel CoatingsCompleted
NCHRP 20-07/Task 131AASHTO Internet Applications InfrastructureCompleted
NCHRP 20-07/Task 131AAASHTO Model Committee Web SiteCompletedCompleted
NCHRP 20-07/Task 131CAASHTO Transportation Web Portal ConceptsCompletedCompleted
NCHRP 20-07/Task 132Final Review and Acceptance of LRFD Specification for WallsCompletedCompleted
NCHRP 20-07/Task 133Improved Live Load Deflection Criteria for Steel BridgesCompletedCompleted
NCHRP 20-07/Task 134Asset Management Education and Communication MaterialsCompletedCompleted as 20-24(11)
NCHRP 20-07/Task 135Geometric Design Guide for Transit Facilities on Highways and Streets - Phase IActiveCompleted
NCHRP 20-07/Task 136Support for SCOH Task Force on Forest Development RoadsCompleted
NCHRP 20-07/Task 137Synthesis of R&T Partnership Working Group ReportsCompletedCompleted
NCHRP 20-07/Task 138Recommended Procedures for the Testing of Rock-Fall BarriersCompletedCompleted
NCHRP 20-07/Task 139Application of European 2+1 Roadway DesignsCompletedCompleted---Summarized in NCHRP Research Results Digest 275
NCHRP 20-07/Task 140TEA-21 Stewardship ReportCompletedResearch in progress
NCHRP 20-07/Task 141Conformity Problems Caused by the Mismatch in SIP/Transportation Plan TimeframeFinal
NCHRP 20-07/Task 142Scoping Study for a National Strategic Plan for Managing Transportation InformationCompletedCompleted
NCHRP 20-07/Task 143Synthesis of Practice: AASHTO's National Transportation Product Evaluation Program (NTPEP)CompletedCompleted
NCHRP 20-07/Task 144Delegations of Authority to Expedite Environmental StreamliningCompletedCompleted
NCHRP 20-07/Task 145Update of the AASHTO Guide for Transportation Landscape and Environmental DesignCompletedCancelled
NCHRP 20-07/Task 146Development of a Standard Protocol for Evaluating Hydrologic and Hydraulic Engineering Software ModelsCompletedResearch in progress
NCHRP 20-07/Task 147Update of the Design Guidelines for the Control of Blowing and Drifting SnowCompletedResearch in progress
NCHRP 20-07/Task 148Evaluation of Potential Impacts on the State DOTs of the US Access Board's Recommendations on Public Rights-of-WayCompletedCompleted
NCHRP 20-07/Task 149Evaluation of 3D Computer Modeling and Electronic Information Transfer for Efficient Design and Construction of Steel BridgesCompletedResearch in progress
NCHRP 20-07/Task 150Electronic NTPEP Report: A First Generation Query-Based Program to Aid in the Assessment of Pavement Markings and Sign Sheeting MaterialsCompletedCompleted
NCHRP 20-07/Task 151ATransportation Security: Highway Emergency Response HandbookCompletedResearch in progress
NCHRP 20-07/Task 151BTransportation Security: Highway Vulnerability Assessment GuideCompletedCompleted
NCHRP 20-07/Task 151CTransportation Security: Sharing Information & Task Force SupportCompletedResearch in progress
NCHRP 20-07/Task 152Project Cost Estimating A Synthesis of Highway PracticeCompletedCompleted
NCHRP 20-07/Task 153Update of the AASHTO Transportation GlossaryCompletedCompleted
NCHRP 20-07/Task 154Update of the HOV and Park-and-Ride Facilities Design GuidesCompletedCompleted
NCHRP 20-07/Task 155Signing Standards for Two-Lane Exit Ramps with an CompletedResearch in progress
NCHRP 20-07/Task 156Finalize Two Design Examples for AASHTO Guide Specifications for Horizontally Curved Steel Highway BridgesCompleted
NCHRP 20-07/Task 157Materials Information Management System Software ReviewCompletedCompleted
NCHRP 20-07/Task 158Survey of State DOT Practice: Outsourcing and Private Sector UtilizationCompletedCompleted
NCHRP 20-07/Task 159Privatization and Commercial Use of Public Rights-of-WayCompletedCompleted
NCHRP 20-07/Task 160Two-Lane Road Analysis Methodology in the Highway Capacity ManualCompletedCompleted
NCHRP 20-07/Task 161Revision of the Draft AASHTO Guide for the Planning, Design, and Operation of Pedestrian FacilitiesCompletedCompleted
NCHRP 20-07/Task 162Guidelines for the Correlation of Test Results from Bench-Scale and Large-Scale Testing on Rolled Erosion Control Products (RECP)CompletedCompleted
NCHRP 20-07/Task 163Innovative Practices in Workforce Development for State Departments of TransportationCompletedTerminated
NCHRP 20-07/Task 163AInnovative Practices in Workforce Development for State Departments of TransportationCompletedResearch in progress
NCHRP 20-07/Task 164Revision of AASHTO R9-97 CompletedCompleted
NCHRP 20-07/Task 165A Policy Synthesis on the Economic Benefits of NTPEPCompletedCompleted
NCHRP 20-07/Task 166Acceleration of Environmental Stewardship Best Practices for Maintenance and ConstructionCompleted
NCHRP 20-07/Task 167Development of Recommended Revisions to Draft ADA Guidelines for Accessible Rights-of-WayCompletedCompleted
NCHRP 20-07/Task 168Determination of Appropriate Railing Heights for BicyclistsCompletedCompleted
NCHRP 20-07/Task 169Resolution of Comments submitted on the Draft AASHTO Guide for Context Sensitive DesignCompletedCompleted
NCHRP 20-07/Task 169BResolution of Comments submitted on the Draft AASHTO Guide for Context Sensitive Design: Liability ChapterCompletedCompleted
NCHRP 20-07/Task 170Review and Revision of the AASHTO Maintenance Manual for Roadways and BridgesCompletedCompleted
NCHRP 20-07/Task 171Identification of Conflicts with AASHTO Publications Related to Clear ZoneCompletedCompleted
NCHRP 20-07/Task 172Recommended AASHTO Design-Build Procurement GuideCompletedCompleted
NCHRP 20-07/Task 173Measuring and Communicating the Effects of Incident Management ImprovementsCompletedCompleted
NCHRP 20-07/Task 174Use of Positive Protection in Work ZonesCompletedCompleted
NCHRP 20-07/Task 176Update of Exhibits for the AASHTO Green BookCompleted
NCHRP 20-07/Task 177Synthesis of Maintenance and Durability Information for Detectable Warnings on SidewalksCompletedCompleted
NCHRP 20-07/Task 178Evaluation and Update of NCHRP Project 24-08, CompletedCompleted
NCHRP 20-07/Task 179Development of Operating Procedures for the Standing Committee on HighwaysCompletedCompleted
NCHRP 20-07/Task 180Summary of International Practice on Bridge Girder and Deck Strengthening with Fiber Reinforced Polymer (FRP) CompositesCompleted
NCHRP 20-07/Task 181Multi-State Transportation Operations Program: Status & Critical IssuesCompletedCompleted
NCHRP 20-07/Task 182Evaluation of Highway Innovative Technology Evaluation Center (HITEC)CompletedResearch in progress
NCHRP 20-07/Task 183LRFD Foundation Design Implementation and Specification DevelopmentCompletedCompleted
NCHRP 20-07/Task 184Development of a Pavement Preservation Synthesis, Research Plans, and InitiativesCompletedResearch in progress
NCHRP 20-07/Task 185Implementation of Flashing Yellow Arrow Display for Protected/Permissive Left Turn ControlCompleted
NCHRP 20-07/Task 186Updating the Calibration Report for the AASHTO LRFD CodeCompletedCompleted
NCHRP 20-07/Task 187Updating the AASHTO Guide for the Development of Bicycle FacilitiesCompletedResearch in progress
NCHRP 20-07/Task 188Mainstreaming Operations in State DOTsCompletedCompleted
NCHRP 20-07/Task 189Advancing Strategic Highway Safety Plans: Safety Leadership Forum IICompletedCompleted
NCHRP 20-07/Task 190Develop Strategy for the Testing and Evaluation of Durable Striping Materials for High Traffic Areas and Mountain PassesCompletedCompleted
NCHRP 20-07/Task 191Product Evaluation and Plant Certification of HDPE PipeCompleted
NCHRP 20-07/Task 192Update of Barrier Hardware GuideCompletedCompleted
NCHRP 20-07/Task 193LRFD Guidelines for the Seismic Design of Highway Bridges, Version 2CompletedCompleted
NCHRP 20-07/Task 194Consistency of Titles for AASHTO PublicationsCompletedCompleted
NCHRP 20-07/Task 195Development and Performance of Web Based Joint Salary SurveyCompletedThe web-based survey has been developed and submitted to AASHTO for implementation.
NCHRP 20-07/Task 196Development of a Guide to Crashworthy Bridge Rail SystemsCompletedCompleted
NCHRP 20-07/Task 197Development of a Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic MarkingCompletedWork will be accomplished under Project 20-07 Task 243.
NCHRP 20-07/Task 198Standard Practice for Independent Assurance ProgramsCompletedCompleted
NCHRP 20-07/Task 199Update of the Strategic Plan for Bridge EngineeringCompletedCompleted
NCHRP 20-07/Task 200Synthesis of Vehicle Based Winter Maintenance TechnologiesCompletedCompleted
NCHRP 20-07/Task 201Use of Warranties in Highway ConstructionCompleted
NCHRP 20-07/Task 202Guide to Benchmarking Operations Performance MeasuresCompleted
NCHRP 20-07/Task 203Update of AASHTO Maintenance Manual to Include Systems Operations and ManagementCompletedCompleted
NCHRP 20-07/Task 204Pavement Noise Intensity Testing in Europe for Comparison to the United StatesCompletedCancelled
NCHRP 20-07/Task 205Project Delivery Workforce Management ReviewCompleted
NCHRP 20-07/Task 206A Model Guide for Condition Assessment SystemsCompleted
NCHRP 20-07/Task 207Update of the AASHTO Guide Specifications for Highway ConstructionFinalCompleted, See 20-07/Task 220
NCHRP 20-07/Task 208Update of Recommendations on Crest Vertical CurvesCompleted
NCHRP 20-07/Task 209Incorporation of Research Findings into AASHTO's Standard Specifications for Structural Supports for Highway Signs, Luminaries and Traffic SignalsCompletedCompleted
NCHRP 20-07/Task 210Guidelines for the Selection of Cable Barrier SystemsCompleted
NCHRP 20-07/Task 211Scoping study for an AASHTO Guide on Accelerating Project DeliveryCompletedCompleted
NCHRP 20-07/Task 212Development of a Model Drivers License HandbookCompleted
NCHRP 20-07/Task 213Requirements for Minimum Maintained Retroreflectivity of Pavement MarkingCompleted
NCHRP 20-07/Task 214Update of A Guide to Small Sign Support HardwareCompleted
NCHRP 20-07/Task 215Statewide Incident Reporting SystemsCompleted
NCHRP 20-07/Task 216Application of LRFD Bridge Design Specifications to High-Strength Structural Concrete: Final Project – Phase ICompletedCompleted
NCHRP 20-07/Task 217Verification and Implementation of Strut-and-Tie Model in LRFD Bridge Design SpecificationsCompletedCompleted
NCHRP 20-07/Task 218Performance-Based Maintenance ContractingFinalCancelled, refer to NCHRP Synthesis 389, Performance-Based Contracting for Maintenance
NCHRP 20-07/Task 219Testing American Traffic Marking Systems on the Spanish (AETEC) Traffic Marking Wear SimulatorCompleted
NCHRP 20-07/Task 220Update of the AASHTO Guide Specifications for Highway ConstructionCompleted
NCHRP 20-07/Task 221Traffic Incident Management + Program for Worker SafetyCompleted
NCHRP 20-07/Task 222Evaluation of the Field Implementation of the Flashing Yellow Arrow Permissive Left-Turn IndicationCompleted
NCHRP 20-07/Task 223Update Business Needs for Pavement EngineeringCompleted
NCHRP 20-07/Task 224Update of the AASHTO Guide for Contracting, Selecting, and Managing Consultants in Preconstruction EngineeringCompleted
NCHRP 20-07/Task 225Best Practices in the Management of Design Errors and OmissionsCompleted
NCHRP 20-07/Task 226Review and Update of Human Factors and Operations Issues in the AASHTO Green BookCompleted
NCHRP 20-07/Task 227Technology Transfer Guidebooks for Implementation of Innovative TechnologiesCompleted
NCHRP 20-07/Task 228Update the United States Numbered Highways (1989 Edition) and Document Current U.S. RoutesCompletedThe revised final products have been accepted and provided to AASHTO.
NCHRP 20-07/Task 229Bridge Construction Practices Using Incremental LaunchingCompleted
NCHRP 20-07/Task 230Safety and Security in Roadway TunnelsCompleted
NCHRP 20-07/Task 231Laboratory Testing of Proposed Roundabout Traffic Control OptionsCompleted
NCHRP 20-07/Task 232Development of a Guide to Update ADA Transition PlansCompleted
NCHRP 20-07/Task 233Development of a Toolkit to Assist State DOTs and Contractors in Uniformly Handling DBE requirementsCompletedThe project is completed and the final products delivered to AASHTO.
NCHRP 20-07/Task 234Guidelines for Selection of Bridge Deck Overlays, Sealers, and TreatmentsCompleted
NCHRP 20-07/Task 235Development of Testing Protocols for Surface Applied Concrete Sealers TreatmentsCompleted
NCHRP 20-07/Task 236Modification and Stabilization of Soils and Base for Use in Pavement StructuresCompletedThe project final report is available as NCHRP Web Only Documents 144 and 145.
NCHRP 20-07/Task 237Incorporation of Lane Management and Toll Plaza Design Issues in the AASHTO Green BookFinal
NCHRP 20-07/Task 238Conceptual Development of an AASHTO Guide to Systems Operations and ManagementCompleted
NCHRP 20-07/Task 239Identification and Delineation of Incident Management and Multi-Agency Emergency Response FunctionsActiveIn development
NCHRP 20-07/Task 240Update of AASHTO Roadside Design GuideCompleted
NCHRP 20-07/Task 241Capacity Creation Through Innovative DesignFinalCancelled
NCHRP 20-07/Task 242Cost Analysis of Rehabilitation/Reconstruction of the Nation's Highway InfrastructureFinal
NCHRP 20-07/Task 243Development of a Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic MarkingsCompletedThe project final report has been published as NCHRP Research Results Digest 346 and NCHRP Web-Only Document 156.
NCHRP 20-07/Task 244Modifications for AASHTO LRFD Bridge Design Specifications to Incorporate or Update the Guide Specifications for Design of Pedestrian BridgesFinal
NCHRP 20-07/Task 245Updating AASHTO Design and Construction Specifications ffor Temporary Works used in Bridge Construction CompletedThe final report has been provided to AASHTO.
NCHRP 20-07/Task 246Replacement Process for LED (Light Emitting Diode) Traffic SignalsCompletedPublished
NCHRP 20-07/Task 247Outdoor Advertising Sign Regulation StudyCompletedCompleted final report submitted to AASHTO
NCHRP 20-07/Task 248Guidelines for Utility Encasement Policy for Highway CrossingsCompletedCompleted final report submitted to AASHTO
NCHRP 20-07/Task 249Asset Management Approaches to ADA ComplianceCompleted
NCHRP 20-07/Task 250Update AASHTO ''Guide for Snow and Ice Control''Completed
NCHRP 20-07/Task 251Consideration of Pavement Preservation in the AASHTO Mechanistic-Empirical Pavement Design GuideCompleted
NCHRP 20-07/Task 252Guidelines for Implementing Quality Control and Quality Assurance for Bridge InspectionFinal
NCHRP 20-07/Task 253Subcommittee on Systems Operations and Management Strategic Plan UpdateCompleted
NCHRP 20-07/Task 254Vehicle Size and Weight Management (VSW) Technology Transfer/Best PracticesFinal
NCHRP 20-07/Task 255Development of a Test Method To Determine the Ability of Adhesive Anchors To Resist Sustained Tensile LoadCompletedThe project final report is available as NCHRP Report 639.
NCHRP 20-07/Task 256Safety Impacts of the Emerging Digital Display Technology for Outdoor Advertising SignsCompleted
NCHRP 20-07/Task 257Crash Tested Precast Concrete Barrier Designs and Anchoring MethodsCompleted
NCHRP 20-07/Task 258Identification of Cross-Cutting Issues Related to the Development, Management, and Delivery of Transportation Projects and ProgramsFinalThe final report has been submitted to AASHTO.
NCHRP 20-07/Task 259Assessment of State-of-the-Practice for Identifying Earth Retaining Structure (ERS)Final
NCHRP 20-07/Task 260Development of Guidelines for Conducting Effective Customer Surveys Related to Highway Maintenance OperationsCompletedThe project has been completed and the final report submitted to AASHTO
NCHRP 20-07/Task 261Best Practices for Implementing Quality Control and Quality Assurance for Tunnel InspectionFinal
NCHRP 20-07/Task 262Review and Update of the AASHTO Guide Specifications for Seismic Isolation DesignFinal
NCHRP 20-07/Task 263Update of the AASHTO Guide for the Planning, Design, and Operation of Pedestrian FacilitiesCompleted The final report has been accepted and forwarded to AASHTO.
NCHRP 20-07/Task 264Guidance for Design and Selection of PipesCompletedCompleted final report submitted to AASHTO.
NCHRP 20-07/Task 265Electronic Publications Delivery System: AASHTO’s Next StepCompletedThe project has been completed and the final report submitted to AASHTO
NCHRP 20-07/Task 266Development of an Alternative Calibration Method for AASHTO T 153Completed
NCHRP 20-07/Task 267Potential for Saving Lives with Various Countermeasures to Meet AASHTO’s New Safety GoalCompleted
NCHRP 20-07/Task 268SCOM Strategic Planning WorkshopCompleted
NCHRP 20-07/Task 269Feasibility of Using Incentives to Facilitate Utility RelocationsCompletedCompleted final report submitted to AASHTO
NCHRP 20-07/Task 270Application of AASHTO LRFD Specifications to Design of Sound BarriersFinal
NCHRP 20-07/Task 271Graphical Traffic Signal Design Aid Based on the MUTCDCompleted
NCHRP 20-07/Task 272Rheological Characterization of Flow Table Reference MaterialCompleted
NCHRP 20-07/Task 273Update of the AASHTO Policy on Geometric Design of Highways and Streets (Green Book)Completed
NCHRP 20-07/Task 274Price Indexing in Transportation Construction ContractsCompleted
NCHRP 20-07/Task 275SCOH Strategic Plan Support CompletedCompleted
NCHRP 20-07/Task 276Development of Guidelines for Rehabilitation of Existing highway and Rail Transit TunnelsFinal
NCHRP 20-07/Task 277Update to AASHTO 'Pavement Management Guide'Completed
NCHRP 20-07/Task 278Production of the new AASHTO Guide to EstimatingCompleted
NCHRP 20-07/Task 279Development of a Work Plan for the 2nd Edition of the Highway Safety ManualCompleted
NCHRP 20-07/Task 280AASHTO MATERIALS “C” SPECIFICATIONSCompletedAASHTO HSCOM has received the project deliverables.
NCHRP 20-07/Task 281Strategic Plan for the Development and Maintenance of AASHTO Standards by AASHTO Member Departments Completed
NCHRP 20-07/Task 282Research Needs Assessment for Roadside Workers and Vehicle SafetyCompleted
NCHRP 20-07/Task 283Evaluation of the Flashing Yellow Arrow (FYA) Permissive Left Turn in Shared Yellow Signal SectionsFinal
NCHRP 20-07/Task 285Recalibration of the LRFR Load Factors in the AASHTO Manual for Bridge EvaluationFinal
NCHRP 20-07/Task 286Finalization of a new AASHTO Drainage Manual - Volume 1, Policy; Volume 2, ProceduresCompletedCompleted final report submitted to AASHTO for publishing.
NCHRP 20-07/Task 287Roadmap for Winter Maintenance ResearchCompleted
NCHRP 20-07/Task 288National Calibration of MEPDG Rigid Pavement Models Based on Corrected CTE ValuesCompleted
NCHRP 20-07/Task 289Comparative Performance Evaluation of Pavement Marking Materials at the NTPEP Test FacilityCompleted
NCHRP 20-07/Task 290Highway Safety Training Synthesis/RoadmapCompleted
NCHRP 20-07/Task 291Transportation Operations Research Communications, Awareness Needs Assessment & Implementation Plan for State DOTsFinal
NCHRP 20-07/Task 292SCOH Strategic Plan: Completion, implementation planning, and governanceCompleted
NCHRP 20-07/Task 294Continuation of Funding of 20-07 Task 245 - Update Bridge Temporary WorksFinal
NCHRP 20-07/Task 295Survey of Existing XML Schemas for Incorporation into TransXMLCompleted
NCHRP 20-07/Task 296Alignment of the Draft AASHTO Transit Guide with the AASHTO Green BookFinal
NCHRP 20-07/Task 297Analysis of usRAP Completed
NCHRP 20-07/Task 298Operations Center of ExcellenceFinal
NCHRP 20-07/Task 299Resolution of Comments on the Draft AASHTO Bike GuideCompletedThe final report has been provided to AASHTO for final balloting.
NCHRP 20-07/Task 300Methods for Estimating the Benefits for Winter Maintenance OperationsCompleted
NCHRP 20-07/Task 301Measuring Cement Particle Size and Surface Area by Laser DiffractionCompletedThe project final report is available as NCHRP Research Results Digest 382.
NCHRP 20-07/Task 302Value Analysis for Linear Referencing SystemsFinalFinal report submitted to AASHTO TIG
NCHRP 20-07/Task 303Synthesis of Truck Size and Weight ResearchFinal
NCHRP 20-07/Task 304AASHTO Publications - Future Road MapFinalThe project is canceled
NCHRP 20-07/Task 305Analysis of New Highway Lighting TechnologiesFinal
NCHRP 20-07/Task 306Revision of Strut-and-Tie Provisions in the AASHTO LRFD Bridge Design SpecificationsFinal
NCHRP 20-07/Task 307Updated Research for Collision Damage and Repair of Prestessed Concrete BeamsFinal
NCHRP 20-07/Task 308Completion of the new AASHTO A Practical Guide to Estimating, Part 2FinalNCHRP Proejct 20-07/Task 278 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 309Challenges and Opportunities: A Strategic Plan for Equipment Management ResearchCompleted
NCHRP 20-07/Task 310Determination of Current Levels of Retroreflectance Attained and Maintained by the State Departments of TransportationCompleted
NCHRP 20-07/Task 311Development of a Warm Mix Asphalt Technology Evaluation ProgramCompleted
NCHRP 20-07/Task 312Successful Practices for Automating Utility PermitsFinal
NCHRP 20-07/Task 313Safety Checklists and Design Guidelines for Evaluation of Outdoor Advertising Signs and Permit Locations by Departments of Transportation (DOTs)FinalThe project is canceled
NCHRP 20-07/Task 314Recommended Protocol for Developing Crash Modification FactorsCompleted
NCHRP 20-07/Task 315Transportation Asset Management for Ancillary StructuresCompleted
NCHRP 20-07/Task 316Establishment of Appropriate Guidelines for Use of the Direct and Indirect Design Methods for Reinforced Concrete PipeFinal
NCHRP 20-07/Task 317Update of AASHTO Publication MEPDG-1Completed
NCHRP 20-07/Task 318Revised 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 319Evaluating Applicability of the Dual-Ring Test Procedure for Assessing the Cracking Tendency of Repair MaterialsCompleted
NCHRP 20-07/Task 320Advanced GIS Visualization Techniques for Geospatial Business Intelligence and Information IntegrationFinal
NCHRP 20-07/Task 321Developing a Framework for Emergency Responder/Roadside Worker Struck-by/Near-miss DatabaseCompleted
NCHRP 20-07/Task 322State of Readiness of the Dedicated Short Range Communications (DSRC) Spectrum for Early deployment of Connected Vehicle Transportation SystemsActive
NCHRP 20-07/Task 323Developing a Long-Range Strategic Plan for the MUTCDFinal
NCHRP 20-07/Task 324NCHRP's Role in Maintaining AASHTO Guidelines and SpecificationsCompletedRecommendations provided to AASHTO SCOR and SCOH
NCHRP 20-07/Task 325Updating the AASHTO LRFD Wind Loads ProvisionsFinal
NCHRP 20-07/Task 326Review and Update of the AASHTO Movable Bridge Inspection, Evaluation and Maintenance Manual, 1st Edition - Scoping StudyFinalProject is canceled, and the allocated funds will supplement NCHRP Project 14-32
NCHRP 20-07/Task 327Developing Recalibrated Concrete Pavement Performance Models for the Mechanistic-Empirical Pavement DesignCompleted
NCHRP 20-07/Task 328Update of the 1995 AASHTO/AGC/ARTBA ‘A Guide to Standardized Highway Barrier Hardware’ (1995 Guide)CompletedFinal report submitted to AASHTO SCOE
NCHRP 20-07/Task 329Alternative Delivery Methods for Winter OperationsCompleted
NCHRP 20-07/Task 330Waterproofing of Bridge Decks Using Pavement Preservation Products AnticipatedProject cancelled.
NCHRP 20-07/Task 331Report On the Methods and Standards to Measure the Permeability of ConcreteCompleted
NCHRP 20-07/Task 332User’s Guide to Develop Highway Safety Manual Safety Performance Function Calibration FactorsCompleted
NCHRP 20-07/Task 333Comparing the Corrosion Protection of Hot Dip Versus Continuously Galvanized W-Beam Guardrail SectionsCompleted
NCHRP 20-07/Task 334Primer on the Joint Use of the HSM and HFGFinal
NCHRP 20-07/Task 335Updating the Strategic Plan for the AASHTO Highway Subcommittee on Bridges and StructuresFinal
NCHRP 20-07/Task 336Emergency Exit Signs Within Highway TunnelsFinalProject is canceled, and the allocated funds will supplement NCHRP Project 20-59 (47)
NCHRP 20-07/Task 337Proposed AASHTO Guidelines for Complex Bridge Inspection Final
NCHRP 20-07/Task 338Hydrology for Water Quality Analysis and DesignCompleted
NCHRP 20-07/Task 339Best Practices for Cracking Sealing and Crack Filling of Asphalt PavementsCompleted
NCHRP 20-07/Task 340National Training: Challenges and OpportunitiesCompleted
NCHRP 20-07/Task 341Guidelines for the Development HSM Part C Predictive Methods ChaptersFinalNCHRP Project 17-71 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 342Wind Turbulence-Structure Interaction and Aeroelastic Instability for Long-Span Flexible Girder SystemsFinalNCHRP Project 20-07/Task 325 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 343An Update to AASHTO’s Guidelines for Geometric Design of Very Low-Volume Local RoadsFinalNCHRP Proejct 15-47 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 344Practical Cost Estimating: Development of TrainingFinal
NCHRP 20-07/Task 345Planning for Transportation System Management & OperationsFinal
NCHRP 20-07/Task 346Completion of the Update to the AASHTO Guide for Transportation Landscape and Environmental DesignFinal
NCHRP 20-07/Task 347Test Methods of Watertightness of Culvert JointsFinal
NCHRP 20-07/Task 348Review of the AASHTO LRFD Movable Highway Bridge Design Specifications for future updatesFinal
NCHRP 20-07/Task 349Guidelines for Developing Materials Acceptance Plans for Alternative Contracting MethodsCompleted
NCHRP 20-07/Task 350U.S. Bicycle Route Guide SigningFinal
NCHRP 20-07/Task 351Update to AASHTO’s Visualization in Transportation: A Guide for Transportation AgenciesFinalCompleted.
NCHRP 20-07/Task 352Next Generation AASHTO Transportation System Management & Operations Strategic DirectionFinal
NCHRP 20-07/Task 353Development of a Strategic Research Plan for SCOHTSActive
NCHRP 20-07/Task 354Work Zone Speed Limits and Crash Data PracticesAnticipated
NCHRP 20-07/Task 355Guidelines for Reliable Fit-Up of Steel I-Girder BridgesFinal
NCHRP 20-07/Task 356Strategic Plan for Prioritization and Selection of Research Proposals for Hydrology and HydraulicsFinal
NCHRP 20-07/Task 357Guidelines for Collecting, Processing, and Managing Roadway Asset Inventory DataCompleted
NCHRP 20-07/Task 358Reducing Risks to Worker Safety in Work Zones Due to Distracted DriversActive
NCHRP 20-07/Task 359Next Generation National Transportation System Management & Operations (TSM&O) Research FrameworkFinal
NCHRP 20-07/Task 360Development of a Strategic Plan for the Technical Committee on Roadside Safety (TCRS)Active
NCHRP 20-07/Task 361Hamburg Wheel-Track Test Equipment Requirements and Improvements to AASHTO T 324Completed
NCHRP 20-07/Task 362Quantifying the Costs and Benefits of Partnering on Projects Delivered Using Traditional and Alternative Contracting MethodsFinal
NCHRP 20-07/Task 363Guidelines for Emergency Ventilation Smoke Control in Roadway TunnelsFinal
NCHRP 20-07/Task 364Revision of AASHTO PP-74 Test Method for Optical Sizing and Roundness Determination of Glass Beads Utilized in Traffic MarkingsCompleted
NCHRP 20-07/Task 365Strategic Transportation Systems Management & Operations Program Planning Lead States Initiative Development & EvaluationCompleted
NCHRP 20-07/Task 366Accessing Information about Transportation Systems Management and Operations Performance MeasurementFinal
NCHRP 20-07/Task 367Analysis of Crash Contributing Factors to Determine Appropriate CountermeasuresAnticipated
NCHRP 20-07/Task 368Development of a Roadmap for Use of SHRP2 Safety Data to Enhance Existing PublicationsFinal
NCHRP 20-07/Task 369Update of SCOH Strategic PlanFinalThe project is canceled
NCHRP 20-07/Task 370Development of a Strategic Plan for the Subcommittee on Traffic Engineering (SCOTE)Final
NCHRP 20-07/Task 371DOT Technical Assistance in Using the HFGFinalThe project is canceled
NCHRP 20-07/Task 372Evaluation of MASH Test VehiclesFinal
NCHRP 20-07/Task 373Utility Coordination Best Practices for Design-Build and Alternative Contracting ProjectsFinalCompleted.
NCHRP 20-07/Task 374Guidelines for Selecting Sign Sheeting Materials for AASHTO M268Active
NCHRP 20-07/Task 375Improvements to the Dry Back Procedure of AASHTO T 209Completed
NCHRP 20-07/Task 376Transportation Agency ITS Infrastructure Decisions Considering V2I Deployment Completed
NCHRP 20-07/Task 377Standardized Format for Bridge and Structure Information Models Final
NCHRP 20-07/Task 378Assessing Risk for Bridge ManagementFinal
NCHRP 20-07/Task 379AASHTO Highway Subcommittee on Maintenance Strategic Plan UpdateCompleted
NCHRP 20-07/Task 380Proposed AASHTO Manual for the Maintenance of Roadways and Bridges Final
NCHRP 20-07/Task 381Rating Concrete Permeability Based on Resistivity MeasurementsFinalNCHRP Project 18-19 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 382Longer Pavement Life from Increased In-Place Density of Asphalt PavementsCompleted
NCHRP 20-07/Task 383Review and update of the AASHTO Roadside Design GuideActive
NCHRP 20-07/Task 384Core Competencies for Key Safety AnalysesFinal
NCHRP 20-07/Task 385Traffic Incident Management Technical Advisory Group (TIMTAG) Business PlanActive
NCHRP 20-07/Task 386Update to AASHTO “Guide Specifications for Highway Construction”Completed
NCHRP 20-07/Task 387Maintenance Actions to Address Fatigue Cracking in Steel Bridge Structures Final
NCHRP 20-07/Task 388Guidelines for Design and Construction of Temporary BridgesFinal
NCHRP 20-07/Task 389Implications of State Departments of Transportation (DOTs) Participation in the One Call Process as an Underground Facility OperatorCompletedCompleted
NCHRP 20-07/Task 390Parametric Study & Cost Effects for the USDOT Truck Size & Weight Study VehiclesFinal
NCHRP 20-07/Task 391Energy Criteria for Maintaining Fully Animated Particles of Loose Asphalt in AASHTO T 209 TestingCompleted
NCHRP 20-07/Task 392Plan for an AASHTO Operations GuideFinal
NCHRP 20-07/Task 393Motor Vehicle Safety Countermeasures: Impacts on Pedestrian and Bicyclist SafetyFinal
NCHRP 20-07/Task 394Development of Performance-Based Geometric Design Content for the Next Edition of the AASHTO Green BookFinal
NCHRP 20-07/Task 395MASH Equivalency of NCHRP 350-Approved Bridge Railings Final
NCHRP 20-07/Task 396Updating the AASHTO Seismic Hazard Maps and Site CoefficientsFinalNCHRP Project 12-106 has been expanded in scope and budget to include this project
NCHRP 20-07/Task 397Characteristics of Decommissioned BridgesFinal
NCHRP 20-07/Task 398Development of Performance-Based Geometric Design Content for the Next Edition of the AASHTO Green BookFinal
NCHRP 20-07/Task 399Identifying Bridge Maintenance and Preservation Activities which Minimize Environmental ImpactFinal
NCHRP 20-07/Task 400Effect of Elevation on Rolling Thin Film Oven Aging of Asphalt BindersCompleted
NCHRP 20-07/Task 401Addressing Roadside Safety: A Systemic Approach to Hardware Replacement Analysis to Support MASH ImplementationFinal
NCHRP 20-07/Task 402Proposed Modification to AASHTO LRFD Reinforced Concrete Interface Shear Design and DetailingFinalThe project is Canceled
NCHRP 20-07/Task 403Develop Detailed Elements for Movable Bridge Inspection and ManagementFinalThe project is canceled
NCHRP 20-07/Task 404Reevaluation of the Side Friction Values used to Determine Horizontal Curve Radii Using Crash DataFinalThe project is canceled
NCHRP 20-07/Task 405Reevaluation of the Perception and Reaction Time and Deceleration Rates for Stopping FinalThe project is canceled
NCHRP 20-07/Task 406Development of a Framework for Balanced Asphalt Mixture DesignCompleted
NCHRP 20-07/Task 407Utility Coordination Efficiency, Safety, Cost, and Schedule Impacts using various Contracting MethodsFinalFinal
NCHRP 20-07/Task 408Transportation System Management and Operations (TSMO) Workforce: Skills, Positions, Recruitment, Retention, and Career DevelopmentFinal
NCHRP 20-07/Task 409ITS Communications Integration Needs for Legacy and Emerging Programs Including FinalThe project is canceled
NCHRP 20-07/Task 410Load Rating for the Fast Act Emergency Vehicles Ev-2 and Ev-3Final
NCHRP 20-07/Task 411Review and Update of AASHTO Standard Practice R 87Completed
NCHRP 20-07/Task 412Adjustments to the Superpave Volumetric Mixture Design Procedure for Selecting Optimum Asphalt ContentCompleted
NCHRP 20-07/Task 413Relocation and Acquisition of Outdoor Advertising Signs Impacted by State Highway Projects: Time and Cost ComparisonFinal
NCHRP 20-07/Task 414Benefits of Adaptive Traffic Control Deployments -- A Review of Evaluation StudiesFinalFinal Report and (AT)2C tool available for download.
NCHRP 20-07/Task 415Proposed AASHTO Guidelines for Bottom Flange Limits of Steel Box GirdersFinal
NCHRP 20-07/Task 416Alternative Technologies for Mitigating the Risk of Injuries and Deaths in Work ZonesCompleted
NCHRP 20-07/Task 417Reorganization and Strategy to Update the AASHTO Drainage ManualCompleted
NCHRP 20-07/Task 418An Impact and Value Analysis of Requiring Geo-spatial Locations for Utility Installation As-builtsFinalFinal contractor's report is available for download.
NCHRP 20-07/Task 419Accommodation of Small Cell Sites within Public Rights-of-Way (ROW)Final
NCHRP 20-07/Task 420Road User Understanding of Bicycle Signal Symbol IndicationsFinal
NCHRP 20-07/Task 421Review and Update of AASHTO Standard Methods of Test T27 and T30Final
NCHRP 20-07/Task 422User Review of the AASHTO Guide for Local Calibration of the MEPDGCompleted
NCHRP 20-07/Task 423Planning 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 424AASHTO Guidelines for the Operation of Movable Bridges from Remote LocationsFinal
NCHRP 20-07/Task 425Emerging LED Technologies and Use within TunnelsFinal
NCHRP 20-07/Task 426Challenges and Opportunities: A Strategic Plan for Equipment Management ResearchActive
NCHRP 20-07/Task 427Developing a Recommended AASHTO Standard Practice for Selection of Temperature-Measuring DevicesCompleted
NCHRP 20-07/Task 428Update of the 2012 AASHTO Guide Specification for Design of Bonded FRP Systems for RepairActive
NCHRP 20-100Return on Investment in Transportation Asset Management Systems and PracticesFinal
NCHRP 20-101Guidelines to Incorporate the Costs and Benefits of Adaptation Measures in Preparation for Extreme Weather Events and Climate ChangeCompleted
NCHRP 20-102Impacts of Connected Vehicles and Automated Vehicles on State and Local Transportation Agencies--Task-Order SupportActive
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 OperationsFinalPublished as Web-Only Document 239
NCHRP 20-102(03)Challenges to CV and AV Application in Truck Freight OperationsFinalPublished as Web-Only Document 231
NCHRP 20-102(04)Evaluation Guidance for Automated Vehicle Pilot and Demonstration ProjectsFinal
NCHRP 20-102(05)Strategic Communications Plan for NCHRP Project 20-102FinalCanceled as the research objective is part of the NCHRP communication plan efforts
NCHRP 20-102(06)Road Markings for Machine VisionFinal
NCHRP 20-102(07)Implications of Automation for Motor Vehicle CodesFinal
NCHRP 20-102(08)Dedicating Lanes for Priority or Exclusive Use by CVs and AVsFinal
NCHRP 20-102(09)Updating Regional Transportation Planning and Modeling Tools to Address Impacts of Connected and Automated VehiclesFinal
NCHRP 20-102(10)Cybersecurity Implications of CV/AV Technologies on State and Local Transportation AgenciesFinalThis project is incorporated into NCHRP Project 03-127
NCHRP 20-102(11)Mobility-on-Demand and Automated Driving Systems: A Framework for Public-Sector AssessmentCompletedPublication decision pending
NCHRP 20-102(12)Business Models to Facilitate Deployment of CV Infrastructure to Support AV OperationsFinalResearch Report is available as NCHRP Web-Only Document 289
NCHRP 20-102(13)Planning Data Needs and Collection Techniques for CV/AV ApplicationsFinalNCHRP 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 OperationsFinalNCHRP 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 CompletedNCHRP Staff: Dr. Deng Zuxuan
NCHRP 20-102(16)Impacts of Connected, Automated Vehicle Technologies on Traffic Incident Management ResponsePending
NCHRP 20-102(17)Deployment Guidance for CV Applications in the Open Source Application Development PortalAnticipated
NCHRP 20-102(18)Minimum Safety Data Needed for Automated Vehicle Operations and Crash AnalysisFinalNCHRP 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 RoadmapFinalNCHRP 20-102(19)B will update this project
NCHRP 20-102(19)BUpdated Research Roadmap for NCHRP 20-102, Impacts of Connected Vehicles and Automated Vehicles on State and Local Transportation AgenciesActive
NCHRP 20-102(20)Workforce Capability Strategies for State and Local AgenciesAnticipatedIn development
NCHRP 20-102(21)Infrastructure Modifications to improve the Operational Domain of Automated VehiclesFinalNCHRP 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 SystemsActiveResearch underway.
NCHRP 20-102(23)Potential Impacts of Highly Automated Vehicles and Shared Mobility on Traveler BehaviorFinalTCRP B-47 has been expanded in scope and budget to include this project
NCHRP 20-102(24)Infrastructure Modifications to Improve the Operational Domain of Automated VehiclesAnticipatedIn development
NCHRP 20-102(25)Readiness and Effectiveness of Freeway-Based Corridor V2X Applications for Improving Congestion and SafetyAnticipated
NCHRP 20-102(26)Dynamic Curbside Management: Keeping Pace with New and Emerging Mobility and Technology in the Public Right of Way Active
NCHRP 20-102(27)Realistic Timing Estimates for Automated Vehicle Implementation Active
NCHRP 20-102(28)Preparing Transportation Agencies for Connected and Automated Vehicles in Work ZonesActive
NCHRP 20-102(29)Incorporating New Mobility Options into Transportation Demand ModelingAnticipatedIn development
NCHRP 20-102(30)Equity Impacts of Shared AVs on Transportation Disadvantaged CommunitiesFinalTCRP B-47 has been expanded in scope and budget to include this project
NCHRP 20-102(31)Unintended Consequences of AVs on Infrastructure Owner-OperatorsFinalNCHRP Project 23-15 has been expanded in scope and budget to include this project.
NCHRP 20-102(32)Safety Implications in a Mixed Vehicle EnvironmentFinalNCHRP 17-91 and BTSCRP BTS-07 have been expanded in scope and budget to include this project
NCHRP 20-102(33)Safety of Vulnerable Road Users in a C/AV FutureAnticipated
NCHRP 20-102(34)Land Use Impacts of Shared and Private AVs AnticipatedIn development
NCHRP 20-102(35)C/AV Applications for IOO FleetsFinalNCHRP 14-42 has been expanded in scope and budget to include this project
NCHRP 20-103Guidance for Development and Management of Sustainable Information PortalsFinal
NCHRP 20-104Capturing and Learning Essential Consultant-Developed Knowledge within Departments of TransportationFinal
NCHRP 20-105Development of Course Outlines for Ahead of the Curve Training Program: Mastering the Management of Transportation Research Completed
NCHRP 20-105BDevelopment of Course Outlines for Ahead of the Curve Training Program: Mastering the Management of Transportation ResearchActive
NCHRP 20-106Framing Surface Transportation Research for the Nation's FutureFinal
NCHRP 20-107Effective Construction Project Staffing Strategies for Transportation AgenciesFinalPublished as NCHRP Research Report 923..
NCHRP 20-108Guide to Sustaining a Culture of Innovation within Departments of TransportationFinal
NCHRP 20-109Enhancement of the Transportation Research ThesaurusActive2nd phase activities are under development.
NCHRP 20-110A Guide to Ensure Access to the Publications and Data of Federally Funded Transportation-Related ResearchCompleted
NCHRP 20-111GBest Practices for State DOT Research Program Peer ExchangesFinal
NCHRP 20-111JSuccessful Practices for State Transportation Research Office's Complying with 2 CFR 200FinalComplete. Final report posted.
NCHRP 20-112A Research Roadmap for Transportation and Public HealthFinal
NCHRP 20-113Research Roadmap -- Transformational Technologies (other than CV/AV)Final
NCHRP 20-113ASupport for TRB Symposium on Transformational Technologies Affecting TransportationFinal
NCHRP 20-113FTopical White Papers for the TRB Forum on Automated Vehicles and Shared MobilityFinal
NCHRP 20-114Multimodal Freight Transportation Research RoadmapFinalSubmitted to the AASHTO Special Committee on Freight
NCHRP 20-116An Emergency Management Playbook for State Transportation AgenciesActiveResearch in progress
NCHRP 20-117Deploying Transportation Resilience Practices in State DOTsCompleted
NCHRP 20-118Benchmarking and Comparative Measurement for Effective Performance Management by Transportation AgenciesFinal
NCHRP 20-119Evaluating the Suitability of Roadway Corridors for Use by Monarch ButterfliesCompletedA pre-publication of the final report is available at
NCHRP 20-120Next Generation Transportation Pooled Fund (TPF) WebsiteActive
NCHRP 20-121State DOT Contributions to the Study, Investigation, and Interdiction of Human TraffickingActive
NCHRP 20-122Rural Transportation Issues: Research RoadmapCompleted
NCHRP 20-123Support for AASHTO Committees and CouncilsActiveIndividual task hyperlinks available below.
NCHRP 20-123(01)Transportation Asset Management Strategic Planning and Research Roadmap DevelopmentActive
NCHRP 20-123(02)Research Roadmap for the AASHTO Council on Active TransportationFinal
NCHRP 20-123(03)Staying Nimble: Organizational Development for the Cutting EdgeAnticipated
NCHRP 20-123(04)Development of a Risk Management Strategic Plan and a Research RoadmapActive
NCHRP 20-123(05)Support for Review of the Manual on Uniform Traffic Control Devices (MUTCD) Notice of Proposed Amendments (NPA)FinalThis 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 Active
NCHRP 20-123(07)Update proposed Manual for the Maintenance of Roadways and BridgesFinal
NCHRP 20-123(09)Feasibility Study for a Platform to Capture Innovations from State Departments of TransportationCompleted
NCHRP 20-123(10)AASHTO Committee on Bridges and Structures Strategic Plan, Operating Guidelines, and Research Roadmap DevelopmentActive
NCHRP 20-123(11)High-Value Research Marketing and Communications for 2020Final
NCHRP 20-123(12)System Mobility and Emerging Technologies (SMET): Strategic Planning Session and Research Roadmap DevelopmentRFP
NCHRP 20-123(13)Transportation Planning Strategic Planning and Research Roadmap DevelopmentAnticipated
NCHRP 20-123(14)Scoping Study for the Development of a Platform for State DOT and AASHTO Committee SurveysRFP
NCHRP 20-124Deploying Transportation Security Practices in State DOTsActiveResearch in progress
NCHRP 20-125Strategies for Incorporating Resilience into Transportation NetworksActive
NCHRP 20-126Support for Critical Issues in Transportation and Commitment to the Future IHSActive
NCHRP 20-126(01)Programmatic Issues of Future System PerformanceActive
NCHRP 20-126(02)State Transportation Agency Multifaceted Decision-Making for Future System PerformanceActive
NCHRP 20-126(03)Advancing Practices of In Situ Nondestructive Evaluation of Highway System Asset Foundational Condition and Capability Active
NCHRP 20-127Business Case and Communications Strategies for State DOT Resilience EffortsActive
NCHRP 20-128Emergency Response: Organizational and Operational Models Used by State DOTsActive
NCHRP 20-19(2)Pedestrian Safety and Convenience on Suburban and Rural Highways---Implementation PhaseFinal
NCHRP 20-23Kinematic Differential GPS Satellite SurveyingCompleted
NCHRP 20-24Administration of Highway and Transportation AgenciesFinal
NCHRP 20-24(01)Using Market Research to Improve the Management of Transportation SystemsCompleted
NCHRP 20-24(02)Executive Management Information Systems for State Departments of TransportationCompleted
NCHRP 20-24(03)Expanding the Civil Engineering PoolCompleted
NCHRP 20-24(03)ACivil Engineering Careers in Transportation---Outreach ProgramCompleted
NCHRP 20-24(05)Public Outreach in Transportation ManagementCompleted
NCHRP 20-24(06)APerformance Measures for State Highway and Transportation AgenciesCompleted
NCHRP 20-24(06)BBusiness Systems Plan for Highway Engineering InformationCompleted
NCHRP 20-24(06)CInformation Systems for Transportation AgenciesCompleted
NCHRP 20-24(07)Alternatives to Motor Fuel Taxes for Financing Surface Transportation ImprovementsCompleted
NCHRP 20-24(07)AAlternative Approaches to the Taxation of Heavy VehiclesCompleted
NCHRP 20-24(08)Project 20-24 Series---RevisitedCompleted
NCHRP 20-24(09)State Departments of Transportation---Strategies for ChangeCompleted
NCHRP 20-24(10)Customer-Based Quality in TransportationCompleted
NCHRP 20-24(100)State DOT CEO Leadership Forum – a Focus on Transportation FuturesFinal
NCHRP 20-24(102)Executive Strategies to Deliver Practical DesignFinal
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 RulesFinal
NCHRP 20-24(105)Launching U.S. Transportation Enterprise Risk Management ProgramsFinal
NCHRP 20-24(106)Evaluation Guidance for Automated Vehicle Pilot and Demonstration ProjectsFinalThis 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 TransportationFinal
NCHRP 20-24(108)CEO Peer Exchange on Agency Management and Emerging Issues (2016)Final
NCHRP 20-24(11)Asset Management Guidance for Transportation AgenciesCompleted
NCHRP 20-24(110)Development of Resources to Support State DOT Communications on SafetyFinal
NCHRP 20-24(111)State DOT CEO Leadership Forum on Connected & Autonomous Vehicles and Transportation Infrastructure Readiness in conjunction with 2017 ITSWC, Montreal, CanadaFinal
NCHRP 20-24(112)Connected Road Classification System (CRCS) DevelopmentFinalContractor's Final report and summary presentation are available for download and use.
NCHRP 20-24(113)CEO Orientation and Peer Exchange Workshop 2017Final
NCHRP 20-24(116)Guidance on Roles and Responsibilities in Operation of Automated VehiclesAnticipated
NCHRP 20-24(119)Strategic Research in Support of the Connected and Automated Vehicle Executive Leadership TeamAnticipated
NCHRP 20-24(12)Avoiding Delays During the Construction Phase of Highway ProjectsCompleted
NCHRP 20-24(12)AImproving the Time Performance of Highway Construction ContractsCompleted
NCHRP 20-24(121)Road Usage Charge: Applying Lessons Learned in New Zealand to the United StatesFinal
NCHRP 20-24(122)A Comprehensive Study of Future Competencies for Transportation PlannersFinal
NCHRP 20-24(124)Performance Management Reporting Peer ExchangeFinal
NCHRP 20-24(125)Scoping Study to Develop the Basis for a Highway Standard to Conduct an All-Hazards Risk and Resilience AnalysisCompleted
NCHRP 20-24(126)National Automation Readiness Framework: Coast-to-Coast Automated MobilityAnticipated
NCHRP 20-24(127)Performance Management Implementation Concerns, Issues and ChallengesActive
NCHRP 20-24(128)State-of-the-Art Review of Cooperative Automated Transportation (CAT) SystemsActive
NCHRP 20-24(129)CEO Peer Exchange and Strategy Forum (2019)Completed
NCHRP 20-24(13)Innovative Financing ClearinghouseCompleted
NCHRP 20-24(130)Support for Development of AASHTO’S 2021-2026 Strategic PlanActive
NCHRP 20-24(131)Mapping the Common Interests of AASHTO CommitteesActive
NCHRP 20-24(132)Understanding Knowledge Management in Context with Other Organizational PracticesAnticipatedThis 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 TransportationActive
NCHRP 20-24(137)Assessing and Communicating the Economic and Quality of Life Benefits of Transportation Infrastructure Investments: Message TestingPending
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 IActive
NCHRP 20-24(14)Managing Change in State Departments of TransportationCompleted
NCHRP 20-24(18)Outsourcing of State DOT Delivery of Capital ProgramsCompleted
NCHRP 20-24(19)State DOTs and E-BusinessCompleted
NCHRP 20-24(20)Using Performance Measures to Manage Change in State Departments of TransportationCompleted
NCHRP 20-24(21)Characteristics of the 21st Century Operations-Oriented State DOTCompleted
NCHRP 20-24(23)Assessing the Importance of Transportation for Major Industries and Sectors of the U.S. EconomyFinal
NCHRP 20-24(24)Transportation Mobility, Access and Safety for an Aging PopulationCompleted
NCHRP 20-24(29)CEO Leadership ForumCompleted
NCHRP 20-24(30)Performance Measurement in Context Sensitive DesignCompleted
NCHRP 20-24(31)Effective Program Delivery in a Constrained Fiscal EnvironmentCompletedThe final report has been submitted to AASHTO.
NCHRP 20-24(33)Transportation Vision 2010 and BeyondCompleted
NCHRP 20-24(34)Commuting in AmericaCompleted
NCHRP 20-24(35)Communicating Urban Congestion InformationCompleted
NCHRP 20-24(36)AASHTO Strategic Plan SupportCompleted
NCHRP 20-24(37)Measuring Performance among State DOTs: Sharing Good PracticesCompleted
NCHRP 20-24(37)AMeasuring Performance among State DOTs: Sharing Good Practices -- Construction Project Cost and ScheduleCompleted
NCHRP 20-24(37)BMeasuring Performance among State DOTs: Sharing Good Practices based on the International Roughness IndexCompletedCompleted
NCHRP 20-24(37)CMeasuring Performance Among State DOTs, Sharing Best Practices -- SafetyFinal
NCHRP 20-24(37)DMeasuring Performance Among State DOTs, Sharing Best Practices--Operations Performance Using Incident Response TimeFinal
NCHRP 20-24(37)EMeasuring Performance Among State DOTs, Sharing Best Practices— Preservation: Comparative Analysis of Bridge ConditionsFinal
NCHRP 20-24(37)FEstablishment of Comparative Performance Measures Program Infrastructure to Support National System Performance Data Collection and AnalysisCompleted
NCHRP 20-24(37)GTechnical Guidance for Deploying National Level Performance MeasurementsCompleted
NCHRP 20-24(37)HWorkshop on Transportation-System Performance Measures Suitable for National UseCompleted
NCHRP 20-24(37)IMeasuring Performance among State DOTs: Sharing Good Practices -- CongestionCompleted
NCHRP 20-24(37)JMeasuring Performance among State DOTs: Sharing Good Practices – Pavement HealthCompleted
NCHRP 20-24(37)KMeasuring Performance among State DOTs: Sharing Good Practices -- Serious Crash InjuryCompleted
NCHRP 20-24(37)LNational Report on Transportation System Performance -- State DOTs Telling the StoryCompleted
NCHRP 20-24(38)CEO Engagement OptionsCompleted
NCHRP 20-24(39)Alternative Organizational Designs for State Transportation DepartmentsFinal
NCHRP 20-24(40)Analysis and Benchmarking of State DOT Recruitment and Hiring PracticesCompleted
NCHRP 20-24(41)Project Summaries for State DOT CEOsCompleted
NCHRP 20-24(42)Guidelines for State DOT quality management systemsCompleted
NCHRP 20-24(43)Innovative Contracting for Major Transportation Projects WorkshopCompletedThe workshop was the deliverable
NCHRP 20-24(44)Highway Safety Leadership Organizational Issues; A Survey of States and Recommendations for Sustaining ProgrssCompleted
NCHRP 20-24(45)Executive Seminar, Coordinating Transportation and Land DevelopmentFinal
NCHRP 20-24(46)Freight Transportation: New Roles for State DOTsFinal
NCHRP 20-24(47)Racial and Gender Diversity in State DOTs and Transit Agencies: Phase I Benchmark ScopingCompleted
NCHRP 20-24(48)Analysis and Benchmarking of State DOT Human Resource ActivitiesFinal
NCHRP 20-24(49)Future Financing Options to Meet Highway and Transit NeedsCompleted
NCHRP 20-24(50)In-Service Training Needs for State DOTsCompleted
NCHRP 20-24(51)State DOT Leadership Forum--2006Completed
NCHRP 20-24(52)Future Options for the National System of Interstate and Defense HighwaysFinal
NCHRP 20-24(53)Twenty-First Century Leadership and Management Techniques for State DOTsFinalThe project has been completed and the products provided to AASHTO for distribution.
NCHRP 20-24(54)2006 Bottom Line Report State and National Investment Analysis: HighwaysCompleted
NCHRP 20-24(54)G2006 AASHTO Bottom Line ScopingCompleted
NCHRP 20-24(55)National Summit on Future Transportation Funding and Finance Strategies: States and Metropolitan RegionsCompleted
NCHRP 20-24(56)National Leadership Retreat for State and Local Officials to Advance a Vision of the Transportation System Required to Meet Future NeedsCompleted
NCHRP 20-24(58)Toward Developing Performance Based Federal-Aid ProgramsCompleted
NCHRP 20-24(59)Strategies for Reducing the Impacts of Surface Transportation on Global Climate ChangeCompleted
NCHRP 20-24(60)Updating AASHTO's Strategic Plan in CY 2008Completed
NCHRP 20-24(61)Issues and Practices in Performance-Based Maintenance and Operations ManagementCompleted
NCHRP 20-24(62)Communication Strategies To Increase Understanding of Funding and Revenue Needs for the Nation’s Transportation SystemCompletedThis project was part of the initial NCHRP 20-24A task-order procurement.
NCHRP 20-24(63)Partnership Approaches to Identify, Promote, and Implement Congestion Management StrategiesFinal
NCHRP 20-24(64)Implications of Performance Standards, Conformity-Style Approaches, and Other Mechanisms for Assessing Greenhouse Gas (GHG) Reduction Strategies and Integrating GHG Objectives into Transportation Decision MakingCompletedThe project was administered under the NCHRP 20-24A task-order system.
NCHRP 20-24(65)Strengthened Economic Basis for Systematic Selection of Highway and Transit ProjectsFinalThis project was removed from the NCHRP 20-24 program.
NCHRP 20-24(66)Update of Technology and Alternative Fuels AssessmentFinalThis project was removed from the NCHRP 20-24 program.
NCHRP 20-24(67)State DOT CEO Leadership Forum- Spring/Summer 2009; Pilot Study of State Driven Performance Based Management ReportingFinal
NCHRP 20-24(68)Estimating the Costs to State Governments Due to Highway-Related Debilitating Injury and Fatal CrashesCompleted
NCHRP 20-24(69)Implementable Strategies for Shifting to Direct Usage-Based Charges for Transportation FundingFinalThe project is administered under the NCHRP 20-24A task-order system.
NCHRP 20-24(70)Update the 2003 Report Reducing Greenhouse Gas Emissions from U.S. TransportationCompletedReport was published by the Pew Center.
NCHRP 20-24(71)Expediting NEPA Decisions and Other Practitioner Strategies for Addressing High Risk Issues in Project DeliveryFinal
NCHRP 20-24(72)Maximizing Highway Operational Strategies to Reduce Greenhouse Gas (GHG) EmissionsFinalThe project was cancelled in October 2011; funds were reassigned to other projects.
NCHRP 20-24(73)Economic and Employment Benefits of Highway Investments in Response to Economic Downturns: A Scoping StudyFinalStudy was conducted by TRB's Studies and Special Programs Division
NCHRP 20-24(74)Executive Strategies for Risk Management by State Departments of TransportationCompleted
NCHRP 20-24(75)Development of a Performance Management RoadmapFinalThe project was cancelled in October 2011 and funds reassigned.
NCHRP 20-24(76)Developing Surface Transportation Funding and Financing Solutions for the Coming DecadeFinalThis project was cancelled and the funds reallocated to other activities.
NCHRP 20-24(77)Support for a TRB-sponsored conference on Strategies for Meeting Critical Data Needs for State and Metropolitan Transportation AgenciesCompletedAll work was conducted by TRB staff.
NCHRP 20-24(79)Specifications for a National Study of the Future 3R, 4R, and Capacity Needs of the Interstate SystemCompleted
NCHRP 20-24(80)Assessing the Economic Benefit of Transportation Infrastructure Investment in a Mature Surface Transportation SystemFinal
NCHRP 20-24(81)Leading in Lean Times: Maximizing Resources in a Constrained EnvironmentCompleted
NCHRP 20-24(82)Increasing Consistency in the Highway Performance Monitoring System for Pavement ReportingCompleted
NCHRP 20-24(83)Alternative State DOT Organizational Models for Delivering ServicesCompleted
NCHRP 20-24(84)State DOT CEO Leadership Forum 2013Final
NCHRP 20-24(86)Critical Assessment for Future Surface Transportation Needs Analyses (Refresh the Policy Capacity of the Bottom Line/C&P)Final
NCHRP 20-24(87)State DOT Administration of Local Road Safety AidFinal
NCHRP 20-24(89)Role and Value of Transportation for U.S. Industries and SectorsActiveThe 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(91)State DOT CEO Safety Leadership Forum (Support)Completed
NCHRP 20-24(92)Evaluation of State-of-the-Art Transportation Funding and Finance MethodsFinal
NCHRP 20-24(93)Public CommunicationFinal
NCHRP 20-24(94)Support for Development of AASHTO’s Strategic PlanFinal
NCHRP 20-24(95)Ensuring Essential Capability for the Future Transportation AgencyFinal
NCHRP 20-24(97)Advancing Performance Management under a National FrameworkFinal
NCHRP 20-24(98)Connected/Automated Vehicle Research Roadmap for AASHTOFinal
NCHRP 20-24(99)CEO Peer Exchange on Agency Management and Emerging Issues (2015)Final
NCHRP 20-24ATask-Order Support for Research on the Administration of Highway and Transportation AgenciesFinal
NCHRP 20-24BResearch Supporting the NCHRP Project Panel on Administration of Highway and Transportation AgenciesCompleted
NCHRP 20-25Training Needs for Highway Construction PersonnelCompleted
NCHRP 20-25(2)Training for Highway Construction PersonnelCompleted
NCHRP 20-25(3)Development of Training Material for Highway Construction PersonnelCompleted
NCHRP 20-26Bond and Insurance Coverages for Highway Construction ContractorsCompleted
NCHRP 20-27Adaptation of Geographic Information Systems for TransportationCompleted
NCHRP 20-27(2)Development of System and Application Architectures for Geographic Information Systems in TransportationCompleted
NCHRP 20-27(3)Guidelines for the Implementation of Multimodal Transportation Location Referencing SystemsCompleted
NCHRP 20-28Hazardous Wastes in Highway Rights-of-WayCompleted
NCHRP 20-29Development of a Multimodal Framework for Freight Transportation Investment: Consideration of Rail and Highway Trade-offsCompleted
NCHRP 20-29(2)Development of a Computer Model for Multimodal, Multicriteria Transportation Investment Analysis Completed
NCHRP 20-31Public Policy for Surface Freight TransportationCompleted
NCHRP 20-32Development of a Comprehensive Thesaurus for Transportation ResearchCompleted
NCHRP 20-32(2)Refinement of Transportation Research Thesaurus and Implementation of Updated TRIS Keyword IndexCompleted
NCHRP 20-33Facilitating the Implementation of Research FindingsCompleted
NCHRP 20-33(2)The Role of Procurement and Contracting Approaches in Facilitating the Implementation of Research FindingsCompleted
NCHRP 20-34Developing Measures of Effectiveness for Truck Weight Enforcement ActivitiesCompleted
NCHRP 20-35Plan for SHRP Follow-Up StudiesCompleted
NCHRP 20-36Highway Research and Technology -- International Information SharingActive
NCHRP 20-37Strategic Direction for the NCHRP and Other AASHTO Research ActivitiesCompleted
NCHRP 20-38Development of a Manual for State Transportation ResearchCompleted
NCHRP 20-39Improved User Access to TRIS Through the AASHTO VANCompleted
NCHRP 20-39(2)Improved Transportation Research-In-Progress Data SystemFinal
NCHRP 20-40Conversion of AASHTO Publications to Metric UnitsCompleted
NCHRP 20-41Approaches for Increasing Private-Sector Involvement in Highway Innovation ProcessCompleted
NCHRP 20-42Sustainable TransportationCompleted
NCHRP 20-43Application of CD-ROM Technology for AASHTO Technical DocumentsFinal
NCHRP 20-44NCHRP Implementation Support ProgramActive
NCHRP 20-44(01)Increasing WMA Implementation by Leveraging the State-Of-The-KnowledgeCompleted
NCHRP 20-44(02)Implementation of the AASHTO Guide for Enterprise Risk Management Completed
NCHRP 20-44(03)Dissemination of NCHRP Report 799: Management Guide to Intellectual Property for State Departments of TransportationFinal
NCHRP 20-44(04)Implementing Products from NCHRP Research on Adhesive Anchor SystemsCompleted
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 CommonwealthCompleted
NCHRP 20-44(08)NCHRP Comprehensive Communications PlanActive
NCHRP 20-44(09)Quantitative and Qualitative Methods for Capturing the Impacts and Value of NCHRP ResearchActive
NCHRP 20-44(11)Advancing practices for data governance, information management, and managing the impact of digitization on DOT workforcesFinal
NCHRP 20-44(12)Building Capacity for Self-Assessment of Data Effectiveness for Agency Business NeedsActive
NCHRP 20-44(13)Implementation of NCHRP Research Report 893: The Oregon DOT Statewide Pedestrian and Bicycle PlanFinal
NCHRP 20-44(14)Implementation of NCHRP Research Report 887 - Guidance for Underwater Installation of Filter SystemsCompleted
NCHRP 20-44(15)Consultant Support for implementation of Design Hydrology for Stream Restoration and Channel Stability at Stream CrossingsCompleted
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 AgenciesActive
NCHRP 20-44(18)Validation of the PFC Performance-Based Mix Design MethodCompleted
NCHRP 20-44(19)Implementation of Proposed AASHTO Standards for Asphalt Binders and MixturesActive
NCHRP 20-44(21)Synthesis of State Peer Exchanges and RPPM Final
NCHRP 20-44(22)Right Sizing Transportation InvestmentsActiveImplementation Program for NCHRP 19-14
NCHRP 20-44(23)Pilot Test of Climate Change Design Practices Guide for Hydrology and HydraulicsActive
NCHRP 20-44(24)Pilot Test of Proposed Standard Practice for Recycling Agents in Asphalt Mixtures Incorporating RAP and RASActive
NCHRP 20-44(25)Workshop to Introduce Proposed Changes to AASHTO M 320 and M 332 to Key Stakeholder GroupsCompleted
NCHRP 20-44(26)Implementing Guide Specifications for the Construction of Chip Seals, Micro Surfacing, and Fog SealsActive
NCHRP 20-44(27)Facilitating Balanced Mix Design ImplementationActive
NCHRP 20-44(28)Development of a Technology Transfer Plan for State Departments of Transportation Research ProgramsActive
NCHRP 20-44(29)Training for Highway Construction Noise Prediction Model-RCNM2.0ActiveUnderway.
NCHRP 20-44(30)Measuring the Effectiveness of Public Involvement at Five State Departments of Transportation: Implementation of the NCHRP Research Report 905 ToolkitActive
NCHRP 20-44(34)Successful Practices for State Transportation Research Office's Complying with 2 CFR 200 (NCHRP 20-111J)ActiveUnderway
NCHRP 20-44(36)Workshops on Long-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway InfrastructurePending
NCHRP 20-44(37)Workshops on Performance Measures in Snow and Ice Control OperationsRFP
NCHRP 20-45Scientific Approaches for Transportation ResearchCompleted
NCHRP 20-46Systems Approach to Evaluating Innovations for Integration into Highway PracticeFinal
NCHRP 20-47(1)Quality and Accuracy of Positional Data in TransportationCompleted
NCHRP 20-48Accessibility of Non-English Language Transportation InformationCompleted
NCHRP 20-48(01)Making the Business Case for Translating Non-English Transportation InformationCompleted
NCHRP 20-49Support for LTPP Advisory StructureCompleted
NCHRP 20-50(1)LTPP Data Analysis: Data Availability and FacilitationCompleted
NCHRP 20-50(10&16)LTPP Data Analysis: Influence of Design and Construction Features on the Response and Performance of New Flexible and Rigid PavementsCompleted
NCHRP 20-50(10)LTPP Data Analysis: Factors Affecting the Performance of Flexible and Rigid PavementsCompleted
NCHRP 20-50(14)LTPP Data Analysis: Significance of "As-Constructed" AC Air Voids to Pavement PerformanceCompleted
NCHRP 20-50(17)Final
NCHRP 20-50(18)LTPP Data Analysis: Significance of As-Constructed Asphalt Pavement Air Voids to Pavement PerformanceCompleted
NCHRP 20-50(19)LTPP Data Analysis: Feasibility of Using LTPP Data to Develop Relationships Between Laboratory- and Field-Derived Properties of Unbound MaterialsCompleted
NCHRP 20-50(2)LTPP Data Analysis: Relative Performance of Jointed Plain Concrete Pavements with Sealed and Unsealed JointsCompleted
NCHRP 20-50(20)LTPP Data Analysis: Develop Practical Tools and Procedures to Improve WIM Data QualityActiveResearch in progress.
NCHRP 20-50(21)Enhancements of Climatic Inputs and Related Models for Pavement ME Using LTPP Climate Tool (MERRA-2)ActiveResearch in progress.
NCHRP 20-50(22)LTPP Data Analysis: Feasibility of Using LTPP Data to Improve Use of FWD and Longitudinal Profile MeasurementsCompleted
NCHRP 20-50(22)ALTPP Data Analysis: Guidelines to Improve Use of FWD and Longitudinal Profile MeasurementsPending
NCHRP 20-50(3&4)LTPP Data Analysis: Effectiveness of Maintenance and Rehabilitation OptionsCompleted
NCHRP 20-50(5)LTPP Data Analysis: Variations in Pavement Design InputsCompleted
NCHRP 20-50(7&12)LTPP Data Analysis: Daily and Seasonal Variations in Insitu Material PropertiesCompleted
NCHRP 20-50(8&13)LTPP Data Analysis: Factors Affecting Pavement SmoothnessCompleted
NCHRP 20-50(9)LTPP Data Analysis: Feasibility of Using FWD Deflection Data to Characterize Pavement Construction QualityCompleted
NCHRP 20-51(1)LTPP Product Development: National Workshop on Pavement SmoothnessCompleted
NCHRP 20-51(2)LTPP Product Development: PCC Pavement Practice Manual and WorkshopCompleted
NCHRP 20-51(3)LTPP Product Development: Pavement Smoothness Specification for Approaches to WIM Equipment SitesCompleted
NCHRP 20-52TRAC PAC2 -- A Hands-on Educational ProgramCompleted
NCHRP 20-52(01)Implementing TRAC PAC2 -- A Hands-on Educational ProgramCompleted
NCHRP 20-53Using Customer Needs to Drive Transportation DecisionsCompleted
NCHRP 20-54Final
NCHRP 20-55TRB Study on Future Surface Transportation Agency Human Resource Needs: Strategies for Recruiting, Training, and Retaining PersonnelCompleted
NCHRP 20-56New Services for AASHTO's World Wide Web SiteFinal
NCHRP 20-57Analytic Tools to Support Transportation Asset ManagementCompleted
NCHRP 20-58Oversight Panel a Future Strategic Highway Research ProgramPending
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 20-59Surface Transportation Security and Resilience ResearchActive
NCHRP 20-59(01)AASHTO Security Research Workshops and ForumCompleted
NCHRP 20-59(02)Bridge/Tunnel/Highway Infrastructure Vulnerability WorkshopsCompleted
NCHRP 20-59(03)Support for the FHWA/AASHTO Blue Ribbon Panel on Bridge and Tunnel SecurityCompleted
NCHRP 20-59(04)White Paper on Highway Security Issues for ReauthorizationCompleted
NCHRP 20-59(05)National Needs Assessment for Ensuring Transportation Infrastructure SecurityCompleted
NCHRP 20-59(06)Responding to Threats: A Field Personnel ManualCompleted
NCHRP 20-59(06)A&BSystem Security Awareness for Transportation EmployeesCompleted
NCHRP 20-59(07) & 20-59(07)ATransportation Security Information Clearinghouse & White PaperCompleted
NCHRP 20-59(08)Emergency Transportation Operations Preparedness and Response Workshop: Adaptations for Rural and International Border Crossing SituationsCompleted
NCHRP 20-59(09)Methods for Determining Transportation and Economic Consequences of Terrorist AttacksCompleted
NCHRP 20-59(10)Secure Communication InfrastructureCompleted
NCHRP 20-59(11)Emergency Traffic Operations ManagementCompleted
NCHRP 20-59(12)Security and Emergency Response 2003 Survey of State Transportation AgenciesCompleted
NCHRP 20-59(14)Research Support for the AASHTO Special Committee on Transportation SecurityCompleted
NCHRP 20-59(14)BResearch Support for the AASHTO Special Committee on Transportation Security and Emergency Management (SCOTSEM)Completed
NCHRP 20-59(14)CStrategic Plan Implementation Support Services for SCOTSEMCompleted
NCHRP 20-59(16)Preparation of Educational Materials: OutreachCompleted
NCHRP 20-59(16)ASecurity Funding Resources: A Reference Guide for State Transportation AgenciesCompleted
NCHRP 20-59(16)BSecurity Framework: Fundamentals of Transportation Security for DOTsCompleted
NCHRP 20-59(17)Guide to Risk Management of Multimodal Transportation InfrastructureCompleted
NCHRP 20-59(18)Guidelines for Transportation Emergency Training Drills and ExercisesCompleted
NCHRP 20-59(19)Transportation Response Options: Scenarios of Infectious Disease, Biological Agents, Chemical, Biological, Radiological, or Nuclear ExposureCompleted
NCHRP 20-59(21)Continuity of Operations Plans for Transportation AgenciesCompleted
NCHRP 20-59(22)A Guide to Emergency Quarantine and Isolation Controls of Roads in Rural AreasCompleted
NCHRP 20-59(23)A Guide to Emergency Response Planning at State Transportation AgenciesCompleted
NCHRP 20-59(24)A Guide to Transportation and Hazards ResourcesCompleted
NCHRP 20-59(25)Security Research PlanCompleted
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 TransportationCompleted
NCHRP 20-59(30)Incident Command System (ICS) Training for Field Level Transportation Supervisors and Staff Completed
NCHRP 20-59(30)ATrain-the-Trainer Regional Workshops for Incident Command System (ICS) Training for Field Level Transportation Supervisors and StaffActive
NCHRP 20-59(32)A Transportation Guide for All-Hazards Emergency EvacuationCompleted
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 SystemFinalPublished 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 DOTsCompleted
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 EventsCompleted
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 ResponseCompleted
NCHRP 20-59(47)Emergency Exit Signs and Marking Systems for Highway TunnelsFinal
NCHRP 20-59(48)Effective Practices for the Protection of Transportation Infrastructure from Cyber IncidentsCompleted
NCHRP 20-59(50)Mainstreaming Transportation Hazards and Security Risk Management: CAPTA Update and Implementation Completed
NCHRP 20-59(51)ASecurity 101: A Physical & Cyber Security Primer for Transportation AgenciesCompleted
NCHRP 20-59(51)BA Guide to Emergency Management at State Transportation Agencies, Second EditionCompleted
NCHRP 20-59(51)CResearch Support for Implementing Security, Emergency Management, and Infrastructure Protection at State Transportation AgenciesCompleted
NCHRP 20-59(52)Communications Worker Credentialing RequirementsCompleted
NCHRP 20-59(53)FloodCast: A Framework for Enhanced Flood Event Decision Making for Transportation ResilienceCompleted
NCHRP 20-59(53)AFloodCast, Phase IV: A Framework for Enhanced Flood Event Decision Making for Transportation ResilienceActive
NCHRP 20-59(54)Transportation System Resilience: Research Roadmap and White PapersCompleted
NCHRP 20-59(55)Transportation System Resilience: CEO Primer & EngagementActive
NCHRP 20-59(56)Support for State DOT Transportation Systems Resilience and All-Hazards ProgramsCompleted
NCHRP 20-60Performance Measures and Targets for Transportation Asset ManagementCompleted
NCHRP 20-61Transportation of Radioactive WasteFinalCompleted and published as National Research Council Report, Going the Distance
NCHRP 20-62Long-Term Viability of Fuel Taxes for Transportation FinanceCompleted
NCHRP 20-63Performance Measurement Tool Box and Reporting System for Research Programs and ProjectsCompletedFinal Report Received and Published.
NCHRP 20-63BPerformance Measurement Tool Box and Reporting System for Research Programs and ProjectsActiveResearch in Progress, website deployed, maintenance ongoing
NCHRP 20-64XML Schemas for Exchange of Transportation Data (TransXML)Completed
NCHRP 20-65Research for the AASHTO Standing Committee on Public TransportationActive
NCHRP 20-65/Task 13State Public Transportation Division Involvement in State Emergency Planning, Response, and RecoveryFinalThe report has been published as NCHRP Research Results Digest 326.
NCHRP 20-65/Task 14Current Practice and Future Guidance on the Development of SAFETEA-LU- Required Coordinated Public Transit-Human Services Transportation PlanFinalCompleted--summarized in Research Results Digest 331.
NCHRP 20-65/Task 15Updated Research Agenda for State DOT Public Transportation Divisions and NCHRP Project 20-65FinalResearch has been completed.
NCHRP 20-65/Task 16Current State Eligibility Requirements for Grantees to Qualify for Federal Section 5310 and 5311 FundsFinalThe research is completed and will be available as a Web-only document.
NCHRP 20-65/Task 17Compliance Monitoring ToolsFinalThis has been completed and published as NCHRP Research Results Digest 341
NCHRP 20-65/Task 18State DOT Best Practices for Developing a Title VI Civil Rights Program DocumentFinalThis research has been completed. Published as NCHRP Research Results Digest 340
NCHRP 20-65/Task 19Utilization by States of the Flexibility to Transfer Federal Funds Among Eligible Federal ProgramsFinalCompleted. The final report has been published as RRD 338.
NCHRP 20-65/Task 20Analysis of Rural Intercity Bus StrategyFinalPublished as Research Results Digest 356
NCHRP 20-65/Task 21Cost/Benefit Analysis of Converting a Lane for Bus Rapid TransitFinalCompleted. The report has been published as RRD 336.
NCHRP 20-65/Task 22Cost/Benefit Analysis of Converting a Lane for Bus Rapid TransitFinalPublished as NCHRP Research Results Digest 352
NCHRP 20-65/Task 23Identification of State and Local Matching Fund Requirements for State Administered Federal, and Non-Federal, Public Transportation ProgramsFinalThis research is completed and has been published as Research Results Digest 353
NCHRP 20-65/Task 24State DOT Role in the Implementation of Transportation Demand Management ProgramsFinalPublished as NCHRP Research Results Digest 348
NCHRP 20-65/Task 25Evaluate Requirements for the Utilization of Section 5311(f) Funds for Intercity Bus ServiceFinalThe final report is completed and published as Research Results Digest 356
NCHRP 20-65/Task 26A Review of Human Services Transportation Plans and Grant ProgramsFinalThis report is published as Research Results Digest 354
NCHRP 20-65/Task 27Innovative Financing Techniques and Best Practices for Providing Match on Federal Transit Administration ProjectsFinalCompleted.
NCHRP 20-65/Task 28An Analysis of Automated Transit Data Collection and Analysis Processes in State DOT Transit Units and a Toolkit for Next Generation Transit Data AnalysisFinalCompleted--Published as NCHRP Research Results Digest 373
NCHRP 20-65/Task 29Public Transportation Performance Measures: State of the Practice and Future NeedsFinalResearch completed. Published as Research Results Digest 361
NCHRP 20-65/Task 30Local Practices in Developing Coordination Partnerships with Taxicab CompaniesFinalCompleted. Published as Research Results Digest 366
NCHRP 20-65/Task 31Transporting Oversize WheelchairsFinalCompleted.
NCHRP 20-65/Task 32Models to Support State-owned Park and Ride Lots and Intermodal FacilitiesFinalCompleted --Published as Research Results Digest 359
NCHRP 20-65/Task 33Determination of State DOT Financial Auditing Requirements for their Public Transportation Assistance ProgramsFinalCompleted. Published as Research Results Digest 368
NCHRP 20-65/Task 34Statewide Transit Goal SettingFinalCompleted. Published as Research Results Digest 358
NCHRP 20-65/Task 35Development of Appropriate Tools to Evaluate the Efficiency and Effectiveness of Selected Specialized Public Transportation ProgramsFinalCompleted
NCHRP 20-65/Task 36Data Needs for Assessing Rural Transit Needs, Benefits, and Levels of ServiceFinalCompleted. Published as NCHRP Research Results Digest 376.
NCHRP 20-65/Task 37Best Accounting Practices in Sub-recipient Recording and Reporting of Program IncomeFinalCompleted.
NCHRP 20-65/Task 38Estimated Impact of Selected State DOT Cost Reduction Initiatives on the Administration of State Public Transportation ProgramsFinalPublished as NCHRP Research Results Digest 379
NCHRP 20-65/Task 39Impacts of the New Health Care Bill on Mass TransitCompletedCompleted. Published as NCHRP Research Results Digest 383.
NCHRP 20-65/Task 40Construction Management Practices for Rural Projects--An AssessmentFinalCompleted-- Published as NCHRP Research Results Digest 381
NCHRP 20-65/Task 41Survey of State Funding for Public Transportation--Ways to Improve itCompletedCompleted and published as NCHRP Web-Only Document 188.
NCHRP 20-65/Task 42Rural Public Transportation Strategies for Responding to the Livable and Sustainable Communities InitiativeFinalCompleted. Published as NCHRP Research Results Digest 375
NCHRP 20-65/Task 43Best Practices in the Electronic Administration of Federal and State Transit GrantsCompleted
NCHRP 20-65/Task 44Curriculum for New State DOT Transit Grant Managers in Administering Federal and State Transit Grant ProgramsFinal
NCHRP 20-65/Task 45New Small Urbanized Area System: A Guidance BriefCompletedCompleted.
NCHRP 20-65/Task 46Successful Methods to Acquire and Oversee the Outsourcing of Tasks and Projects Related to State DOT Management of Transit Grant ProgramsCompleted
NCHRP 20-65/Task 47MTAP Survey Tool Used to Assess FTA Contractor Performance of State DOT Triennial and Other FTA Reviews--An UpdateCompleted
NCHRP 20-65/Task 48Condition of State and Federally Funded Transit AssetsCompleted
NCHRP 20-65/Task 49Impact Assessment Indicators for Administration of Public Transportation GrantsCompleted
NCHRP 20-65/Task 50Strategic Plan for the Standing Committee on Public TransportationCompleted
NCHRP 20-65/Task 51Approaches To Improving the Grant Approval Processes for Transit ProjectsCompleted
NCHRP 20-65/Task 52Selected Indirect Benefits of State Investment in Public TransportationCompleted
NCHRP 20-65/Task 53Independent Cost Estimates for Design and Construction of Rural and Small Urban Transit FacilitiesFinalPublished as NCHRP RRD 397
NCHRP 20-65/Task 55Estimating the Long Term Impacts of MAP-21 on the Nation's Local Rural Transit Bus InfrastructureFinalCompleted--RRD 394
NCHRP 20-65/Task 56Best Practices in Rural Regional MobilityCompleted
NCHRP 20-65/Task 57Assessment of State DOT Transit Vehicle Procurement ModelsCompleted
NCHRP 20-65/Task 58Documentation 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 59The 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 60The National Mobility Management Initiative: State DOTs Connecting Users and Rides for Specialized TransportationCompletedCompleted--NCHRP Report 832 Pre-Publication Draft—Subject to Revision
NCHRP 20-65/Task 61Determine the Degree To Which JARC And New Freedom Activities are Being Continued or Initiated Under Map-21Completed
NCHRP 20-65/Task 62The National Perspective –An Assessment of Section 5310 Program Administration Under MAP-21Completed
NCHRP 20-65/Task 63DOT Oversight of Facility Projects CompletedResearch completed.
NCHRP 20-65/Task 64Health and Human Services (particularly Medicaid) Revenue as MatchCompleted
NCHRP 20-65/Task 65Best Practices for State DOTs to Meet Rural Bus Fleet Replacement and Expansion NeedsCompleted
NCHRP 20-65/Task 66States and Local Use of Administrative Resources Provided by the Federal Transit AdministrationCompleted
NCHRP 20-65/Task 67Multi-Modal Project PlanningCompleted
NCHRP 20-65/Task 68Successful Mobility Management Practices for Improving Transportation Services in Small Urban and Rural Areas Completed
NCHRP 20-65/Task 69Consolidation of Rural Transit SystemsCompleted
NCHRP 20-65/Task 70Cross Modal InvestmentCompleted
NCHRP 20-65/Task 71Transit Network Balance; Efficiency and EquityCompleted
NCHRP 20-65/Task 72Small System Alternative Fuel StrategiesCompleted
NCHRP 20-65/Task 73Best Practices and Marketing to Increase Rural Transit Ridership and Investment Completed
NCHRP 20-65/Task 74Best Practices and Tools for Addressing Transportation Needs and Public Transit Demands to Support the Integration of the Olmstead Population In Community SettingsCompleted
NCHRP 20-65/Task 75Baseline Research on Allowable In-Kind and Local Match SourcesCompleted
NCHRP 20-65/Task 76Opportunities for State DOTs (and Others) to Encourage Shared Use Mobility Practices in Rural Areas Completed
NCHRP 20-65/Task 77Lessons 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 SystemsActive
NCHRP 20-65/Task 79Program Management Insights for the 5310 Program (Including Sub-Grantee Consolidation and Urban 5310)Active
NCHRP 20-65/Task 80Capacity Building Options for DOT Transit StaffActive
NCHRP 20-65/Task 81Best Practices in Rural Service AssessmentActive
NCHRP 20-65/Task 82Issues Associated with Providing Customized, Client-Based Transportation ServicesActive
NCHRP 20-65BResearch for the AASHTO Standing Committee on Public TransportationPending
NCHRP 20-66Strategic Plan for Transportation Information ManagementCompleted
NCHRP 20-67Making Transportation Tunnels Safe and SecureCompleted
NCHRP 20-68US Domestic Scan Program -- Business PlanFinalThe 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 PilotCompletedThe Domestic Scan Program has been initiated as a continuing activity, NCHRP 20-68A.
NCHRP 20-68AUS Domestic Scan ProgramActiveCompletion date refers to 3rd phase program, NCHRP Project 20-68D. All scans are listed on this page.
NCHRP 20-68BAccelerating the Rate of Innovation Among State DOTsFinal
NCHRP 20-68B(01)Accelerating the Rate of Innovation Among State DOTs—Tracing Domestic Scan ImpactsFinalThe initial project budget and time were extended to enable tracing of impact for additional scans.
NCHRP 20-68CResearch on Innovation Networks--Domestic ScansCompleted
NCHRP 20-68DU.S. Domestic Scan Program (Phase 3)ActivePhase 3 of the program is planned for 6 years, subject to continued availability of funds and satisfactory performance.
NCHRP 20-69Guidance for Transportation Project ManagementCompleted
NCHRP 20-70Transportation Research Thesaurus ImprovementsCompleted
NCHRP 20-71Effective Experimental Design and Data Analysis in Transportation ResearchFinal
NCHRP 20-72Tools to Aid State DOTs in Responding to Workforce ChallengesFinalNCHRP supported additional work to develop a prototype web-based implementation of the toolbox.
NCHRP 20-73Accelerating Transportation Program and Project Delivery: Conception to CompletionCompleted
NCHRP 20-74Developing an Asset-Management Framework for the Interstate Highway SystemCompleted
NCHRP 20-74ADevelopment of Service Levels for the Interstate Highway SystemCompleted
NCHRP 20-75Implementing Transportation Knowledge NetworksCompletedProject completed
NCHRP 20-76Guidelines for Conducting a Disparity and Availability Study for the Federal Disadvantaged Business Enterprise Program. CompletedCompleted - final report can be purchased or downloaded at the link below.
NCHRP 20-77Transportation Operations Training FrameworkFinal
NCHRP 20-78Communicating the Value of ResearchCompleted
NCHRP 20-79Expansion of the Transportation Research ThesaurusCompletedThe project has been completed and the thesaurus has been updated with AASHTO definitions.
NCHRP 20-81Guide to Implementing Strategies to Attract and Retain a Capable Transportation Workforce Completed
NCHRP 20-82Next Generation Transportation Pooled Fund (TPF) WebsiteCompleted
NCHRP 20-83Long-Range Strategic Issues Facing the Transportation IndustryActiveFor more information, see each individual project in this series.
NCHRP 20-83(01)Economic Changes Driving Future Freight TransportationFinalPublished as NCHRP Report 750: Volume 1
NCHRP 20-83(02)Expediting Future Technologies for Enhancing Transportation System PerformanceFinal
NCHRP 20-83(03)Long-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway InfrastructureCompleted
NCHRP 20-83(03)ALong-Range Strategic Issues Affecting Preservation, Maintenance, and Renewal of Highway InfrastructureCompleted
NCHRP 20-83(04)Preparing State Transportation Agencies for an Uncertain Energy FutureFinal
NCHRP 20-83(05)Climate Change and the Highway System: Impacts and Adaptation ApproachesCompletedThe final project deliverables are available as NCHRP Report 750, Volume 2.
NCHRP 20-83(06)Effects of Socio-Demographics on Travel DemandCompleted
NCHRP 20-83(07)Sustainability as an Organizing Principle for Transportation AgenciesFinal
NCHRP 20-83ALong-Range Strategic Issues Facing the Transportation Industry: December 2010 Workshop ReportFinal
NCHRP 20-83BCommunicating the Results of NCHRP Strategic Transportation Issues ResearchActive
NCHRP 20-84Improved Right-of-Way Procedures and Business PracticesCompletedCompleted. Published as NCHRP Report 771 with CRP-CD 154
NCHRP 20-85Renewable Energy Guide for Highway Maintenance FacilitiesCompletedThe Renewable Energy Guide is available as NCHRP Report 751.
NCHRP 20-86Attracting, Recruiting, and Retaining Skilled Staff for Transportation System Operations and ManagementCompleted
NCHRP 20-89Intellectual Property Management Guide for State Departments of TransportationFinal
NCHRP 20-90Improving Management of Transportation InformationFinal
NCHRP 20-92Improving Access to International Transportation Research InformationCompleted
NCHRP 20-93Development of a Guide for Transportation Technology TransferFinal
NCHRP 20-94Development of a Formalized Process for the Adoption, Development, Maintenance, and Enhancement of TransXML SchemasCompletedCompleted
NCHRP 20-95Identifying Successful Practices in the FHWA Disadvantaged Business Enterprise (DBE) ProgramCompletedProject cancelled; Resumed at NCHRP Project 20-95A
NCHRP 20-95ACompendium of Successful Practices, Strategies, and Resources in the FHWA Disadvantaged Business Enterprise (DBE) ProgramFinalPubished as NCHRP Report 913
NCHRP 20-96Leadership Guide for Strategic Information Management for State Departments of TransportationFinal
NCHRP 20-97Improving Findability and Relevance of Transportation InformationFinalNCHRP Projects 20-97 and 20-97A are included here.
NCHRP 20-98A Guide to Agency-Wide Knowledge Management for State Departments of TransportationFinal
NCHRP 20-99Completed