Project Number Project Title Stage Comments
NCHRP 17-06AService Vehicle Lighting and Traffic Control Systems for Short-Term and Moving Work Zones (Phase II)Completed
NCHRP 17-07Guidelines for Converting STOP to YIELD Control at IntersectionsFinal
NCHRP 17-08Traffic Barrier and Control Treatments for Restricted Work ZonesCompleted
NCHRP 17-09Effect of Highway Standards on SafetyCompleted
NCHRP 17-09(2)Impacts of Resurfacing Projects With and Without Additional Safety ImprovementsCompleted
NCHRP 17-10Structural Supports for Highway Signs, Luminaires, and Traffic SignalsCompleted
NCHRP 17-10(2)Structural Supports for Highway Signs, Luminaires, and Traffic SignalsCompleted
NCHRP 17-100Leveraging Artificial Intelligence and Big Data to Enhance Safety AnalysisCompletedPublication decision pending.
NCHRP 17-101Applying the Safe System Approach to Transportation Planning, Design, and Operations in the United StatesCompleted
NCHRP 17-102Safety Performance for Active Transportation Modes Using Exposure ModelsActive
NCHRP 17-103A Guide and Toolkit for Strategic Decision-Making to Improve Traffic SafetyActiveResearch in progress
NCHRP 17-104Enhancement of Roadside Design Safety Prediction Models for the Highway Safety ManualActiveResearch in progress
NCHRP 17-105MASH Crashworthiness of Luminaire PolesFinalThis project is combined with NCHRP Project 22-43
NCHRP 17-106Motorist Behavior and Safety Impacts on Bicyclists from Centerline and Shoulder Rumble Strips on High-Speed Two-Lane HighwaysActive
NCHRP 17-107Guide for Work Zone Intrusion Prediction and PreventionActiveResearch in progress
NCHRP 17-108Developing Crash Modification Factors for Alternative IntersectionsActive
NCHRP 17-109Crash Modification Factors for Automated Traffic Signal Performance MeasuresActiveResearch in progress
NCHRP 17-11Determination of Safe/Cost Effective Roadside Slopes and Associated Clear DistancesCompleted
NCHRP 17-11(02)Development of Clear Recovery Area GuidelinesCompleted
NCHRP 17-11(03)Development of Clear Recovery Area GuidelinesFinal
NCHRP 17-110Vehicle-Based Telemetric Data for State and Local Transportation AgenciesActiveResearch in progress.
NCHRP 17-111Speed Management Strategies to Improve Pedestrian and Bicyclist Safety on Arterials and Higher-Speed RoadwaysActiveResearch in progress
NCHRP 17-112Enhancing Crash Modification Factors and Safety Performance Functions for Pedestrian and Bicyclist Countermeasures ActiveResearch in progress
NCHRP 17-113Incorporating Safe System Approach into the NCHRP Report 500 SeriesActiveResearch underway
NCHRP 17-114Integrated Strategies for Managing Excessive Travel Speed to Improve Safety PerformanceActive
NCHRP 17-115Guide for Marked Crosswalk Design, Spacing, Placement, and Safety ActiveResearch in progress
NCHRP 17-116Practical Approaches to Quantifying Safe System ConceptsActive
NCHRP 17-117Advancing Safety Prediction Methodologies for Horizontal CurvesActive
NCHRP 17-118Understanding the Impacts of Operational Changes on Safety PerformanceActiveResearch in progress
NCHRP 17-119Conflict-Based Crash Prediction Method for IntersectionsActiveResearch in progress
NCHRP 17-12Improved Safety Information to Support Highway DesignCompleted
NCHRP 17-120A Method to Link Crash, Emergency Medical Service, and Trauma Registry DataActiveResearch underway
NCHRP 17-121Using Advanced Technologies to Reduce Commercial Motor Vehicle Crashes in Work ZonesActiveResearch is progress.
NCHRP 17-122Strategies and Technologies for Warning, Detection, and Prevention of Trespassing in the Vicinity of Highway-Rail Grade Crossings: State of the Practice and Research NeedsPending
NCHRP 17-123Guide for Evaluating the Safety Performance of Shared Railway–Highway InterfacesActive
NCHRP 17-124Effectiveness of Speed Reduction in Work ZonesActiveResearch underway
NCHRP 17-125Guide for Applying Safe System Principles in the Road Safety Audit ProcessActive
NCHRP 17-126Crash Prediction Models for Alternative and Unconventional IntersectionsActive
NCHRP 17-127Guide for Applying Quantitative Highway Safety Analysis MethodsActive
NCHRP 17-128Reducing Adverse Driving Behaviors in Work Zones: Strategies and GuidelinesActiveResearch in progress
NCHRP 17-129Assessing Safety Performance of Atypical Service InterchangesPending
NCHRP 17-13Strategic Plan for Improving Roadside SafetyCompleted
NCHRP 17-130Training Program to Apply Quantitative Highway Safety Analysis MethodsRFP
NCHRP 17-131A Guide on Alternative Intersections and InterchangesRFP
NCHRP 17-132Toolkit to Support Implementation of the Safe System ApproachRFP
NCHRP 17-133Applicability of the 85th Percentile for Setting Speed Limits on Freeways, Expressways, and Rural Highways RFP
NCHRP 17-134Center Line Buffer Areas for Safety: Implementation Guidelines and ToolRFP
NCHRP 17-135Imagery Reference Illustrating Data Elements for Crash Prediction MethodologyRFP
NCHRP 17-136Safe System Approach for Including Trees in Urban and Suburban Roadway ContextsRFP
NCHRP 17-137Crash Prediction Methods for Long-Term Work ZonesAnticipatedIn development
NCHRP 17-138Pavement Marking Selection for Bridge and Pavement Preservation TreatmentsRFP
NCHRP 17-14Improved Guidelines for Median SafetyFinal
NCHRP 17-15Accident Mitigation on Congested Rural and Exurban Two- and Three-Lane HighwaysFinal
NCHRP 17-16Accident Warrant for Traffic SignalsFinal
NCHRP 17-17Development of Guidelines for Nighttime Road Work to Improve Safety and OperationsCompleted
NCHRP 17-17(2)Development of Guidelines for Nighttime Road Work to Improve Safety and OperationsCompleted
NCHRP 17-18AASHTO Strategic Highway Safety Plan Implementation SupportCompleted
NCHRP 17-18(02)Web Site DevelopmentCompleted
NCHRP 17-18(03)Guidance for Implementation of the AASHTO Strategic Highway Safety PlanCompleted
NCHRP 17-18(04)Highway Safety ManualCompleted
NCHRP 17-18(05)Integrated Management Process to Reduce Highway Injuries and Fatalities StatewideCompleted
NCHRP 17-18(05)BIntegrated Safety Management Process - Technical SupportCompleted
NCHRP 17-18(07)AASHTO Strategic Highway Safety Plan--Technology Transfer PlanCompleted
NCHRP 17-18(08)Comprehensive Human Factors Guidelines for Road SystemsCompleted
NCHRP 17-18(09)ACoordination of Safety ResearchCompleted
NCHRP 17-18(10)Safe Landscape Awareness CourseCompleted
NCHRP 17-18(11)Implementation Plan and ProductsCompleted
NCHRP 17-18(14)Lane Departure VideoCompleted
NCHRP 17-18(15)Local Highway Agency Safety GuidesCompleted
NCHRP 17-18(19)White Paper on Alternate Strategies for Safety Improvement InvestmentsCompleted
NCHRP 17-20Technical Support for the AASHTO Task Force on Roadside Safety (TFRS)Completed
NCHRP 17-21Safety of U-Turns at Unsignalized Median OpeningsCompleted
NCHRP 17-22Identification of Vehicular Impact Conditions Associated with Serious Ran-Off-Road CrashesCompleted
NCHRP 17-23Safety Impacts and Other Implications of Raised Speed Limits on High-Speed RoadsCompleted
NCHRP 17-24Use of Event Data Recorder (EDR) Technology for Roadside Crash Data AnalysisCompleted
NCHRP 17-25Crash Reduction Factors for Traffic Engineering and ITS ImprovementsCompleted
NCHRP 17-26Methodology to Predict the Safety Performance of Urban and Suburban ArterialsCompleted
NCHRP 17-27Parts I and II of the Highway Safety ManualCompleted
NCHRP 17-28Pavement Marking Materials and Markers: Safety Impact and Cost-EffectivenessCompleted
NCHRP 17-29Methodology to Predict the Safety Performance of Rural Multilane HighwaysCompleted
NCHRP 17-30Traffic Safety Evaluation of Nighttime and Daytime Work ZonesCompleted
NCHRP 17-31Human Factors Guidelines for Road Systems--Phase 2Completed
NCHRP 17-32Guidance for the Design and Application of Shoulder and Centerline Rumble StripsCompleted
NCHRP 17-33Effectiveness of Behavioral Highway Safety CountermeasuresCompleted
NCHRP 17-34Prepare Parts IV and V of the Highway Safety ManualCompleted
NCHRP 17-35Evaluation of Safety Strategies at Signalized IntersectionsCompleted
NCHRP 17-36Production of the First Edition of the Highway Safety ManualCompleted
NCHRP 17-37Pedestrian Predictive Crash Methodology for Urban and Suburban ArterialsCompleted
NCHRP 17-38Highway Safety Manual Implementation and Training MaterialsCompleted
NCHRP 17-40Model Curriculum for Highway Safety Core CompetenciesCompleted
NCHRP 17-41Human Factors Guidelines for Road Systems - Phase IIICompleted
NCHRP 17-42Development of Information and Data to Support Improved Safety Management and Communication of Safety NeedsCompleted
NCHRP 17-43Long-Term Roadside Crash Data Collection ProgramFinal
NCHRP 17-44Factors Contributing to Median Encroachments and Cross-Median CrashesFinal
NCHRP 17-45Enhanced Safety Prediction Methodology and Analysis Tool for Freeways and InterchangesFinal
NCHRP 17-46Comprehensive Analysis Framework for Safety Investment DecisionsFinal
NCHRP 17-47Human Factors Guidelines for Road SystemsFinal
NCHRP 17-48Highway Infrastructure and Operations Safety Research NeedsCompletedPublished as NCHRP Report 756.
NCHRP 17-49Guide for Effective Tribal Crash Reporting CompletedFinal report published as NCHRP Report 788.
NCHRP 17-50Lead States Initiative for Implementing the Highway Safety ManualFinal
NCHRP 17-51(03)Communication Plan for the National Highway Safety StrategyCompleted
NCHRP 17-51(04)Development of a National Strategy on Highway Safety — TZD FrameworkFinal
NCHRP 17-52Using Peer Exchanges to Improve the Effectiveness of a State's Strategic Highway Safety PlanFinal
NCHRP 17-53Evaluation of the 13 Controlling Criteria for Geometric DesignFinal
NCHRP 17-54Consideration of Roadside Features in the Highway Safety ManualFinal
NCHRP 17-55Guidelines for Slope TraversabilityFinalPublished as NCHRP Research Report 911
NCHRP 17-56Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing TreatmentsFinal
NCHRP 17-57Development of a Comprehensive Approach for Serious Traffic Crash Injury Measurement and Reporting SystemsFinal
NCHRP 17-58Safety Prediction Models for Six-Lane and One-Way Urban and Suburban ArterialsFinal
NCHRP 17-59Safety Impacts of Intersection Sight DistanceCompleted
NCHRP 17-60Benefit-Cost Methodology for Behavioral Highway Safety CountermeasuresActive
NCHRP 17-61Work Zone Crash Characteristics and Countermeasure GuidanceFinal
NCHRP 17-62Improved Prediction Models for Crash Types and Crash SeveritiesFinal
NCHRP 17-63Guidance for the Development and Application of Crash Modification FactorsFinal
NCHRP 17-64Guidance for the Implementation of the Toward Zero Deaths National Strategy on Highway SafetyFinal
NCHRP 17-65Improved Analysis of Two-Lane Highway Capacity and Operational Performance Final
NCHRP 17-66Guidance for Selection of Appropriate Countermeasures for Opposite Direction CrashesFinalPublished as NCHRP Research Report 995.
NCHRP 17-67Identification of Factors Contributing to the Decline of Traffic Fatalities in the United StatesActive
NCHRP 17-68Intersection Crash Prediction Methods for the Highway Safety ManualFinal
NCHRP 17-69A Strategic Approach to Transforming Traffic Safety Culture to Reduce Deaths and InjuriesFinalThe contractor's report is available as NCHRP Web-Only Document 252
NCHRP 17-70Development of Roundabout Crash Prediction Models and MethodsFinal
NCHRP 17-71Proposed AASHTO Highway Safety Manual, Second EditionFinalBeing completed by NCHRP Project 17-71A
NCHRP 17-71AProposed AASHTO Highway Safety Manual, Second EditionCompletedResearch completed
NCHRP 17-72Update of Crash Modification Factors for the Highway Safety ManualFinal
NCHRP 17-73Systemic Pedestrian Safety AnalysisFinal
NCHRP 17-74Application of Crash Modification Factors for Access ManagementFinalFinal report has been published as NCHRP Research Report 974 Volumes 1 and 2
NCHRP 17-75Leveraging Big Data to Improve Traffic Incident ManagementFinalPublished as NCHRP Research Report 904.
NCHRP 17-76Guidance for the Setting of Speed LimitsFinal
NCHRP 17-77Guide for Quantitative Approaches to Systemic Safety AnalysisFinal
NCHRP 17-78Understanding and Communicating Reliability of Crash Prediction ModelsFinal
NCHRP 17-79Safety Effects of Raising Speed Limits to 75 mph and HigherFinal
NCHRP 17-80Expansion of Human Factors Guidelines for Road Systems, Second EditionCompleted
NCHRP 17-81Proposed Macro-Level Safety Planning Analysis Chapter for the Highway Safety ManualFinalThe Final Report was published as NCHRP Research Report 1044. The guide was published as NCHRP WOD 348.
NCHRP 17-82Proposed Guidance for Fixed Objects in the Roadside Design GuideFinal
NCHRP 17-83Briefings and Training Materials for Implementation of the Highway Safety Manual, Second EditionFinalProject Cancelled
NCHRP 17-84Pedestrian and Bicycle Safety Performance Functions for the Highway Safety ManualFinalPublished as NCHRP Research Report 1064.
NCHRP 17-85Development and Application of Crash Severity Models for the Highway Safety ManualFinal
NCHRP 17-86Estimating Effectiveness of Safety Treatments in the Absence of Crash DataFinal
NCHRP 17-87Enhancing Pedestrian Volume Estimation and Developing HCM Pedestrian Methodologies for Safe and Sustainable CommunitiesFinalPublished as NCHRP WOD 312 and NCHRP Research Report 992
NCHRP 17-88Roadside Encroachment Database Development and AnalysisCompletedPublication decision pending.
NCHRP 17-89Safety Performance of Part-Time Shoulder Use on FreewaysCompleted
NCHRP 17-89AHOV/HOT Freeway Crash Prediction Method for the Highway Safety ManualFinal
NCHRP 17-89BSafety Performance of Part-Time Shoulder Use on FreewaysAnticipatedCancelled.
NCHRP 17-90Evaluation of Roadside Crash Injury Metrics in MASHCompletedAgency report available on project's webpage
NCHRP 17-91Assessing the Impacts of Automated Driving Systems (ADS) on the Future of Transportation SafetyFinalPublished as NCHRP Research Report 1001/BTSCRP Research Report 2
NCHRP 17-92Developing Safety Performance Functions for Rural Two-Lane Highways that Incorporate Speed MeasuresCompletedPublication decision pending.
NCHRP 17-93Updating Safety Performance Functions for Data-Driven Safety AnalysisFinal
NCHRP 17-95Crash Modification Factors (CMFs) for Intelligent Transportation System (ITS) ApplicationsCompletedExpired.
NCHRP 17-96Traffic Safety Culture Research RoadmapFinal
NCHRP 17-97Strategies to Improve Pedestrian Safety at NightActive
NCHRP 17-98Guide for Intersection Control EvaluationCompleted
NCHRP 17-99Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade CrossingsActive