| NCHRP 17-06A | Service Vehicle Lighting and Traffic Control Systems for Short-Term and Moving Work Zones (Phase II) | Completed | |
| NCHRP 17-07 | Guidelines for Converting STOP to YIELD Control at Intersections | Final | |
| NCHRP 17-08 | Traffic Barrier and Control Treatments for Restricted Work Zones | Completed | |
| NCHRP 17-09 | Effect of Highway Standards on Safety | Completed | |
| NCHRP 17-09(2) | Impacts of Resurfacing Projects With and Without Additional Safety Improvements | Completed | |
| NCHRP 17-10 | Structural Supports for Highway Signs, Luminaires, and Traffic Signals | Completed | |
| NCHRP 17-10(2) | Structural Supports for Highway Signs, Luminaires, and Traffic Signals | Completed | |
| NCHRP 17-100 | Leveraging Artificial Intelligence and Big Data to Enhance Safety Analysis | Active | Research in progress |
| NCHRP 17-101 | Applying the Safe System Approach to Transportation Planning, Design, and Operations in the United States | Active | |
| NCHRP 17-102 | Safety Performance for Active Transportation Modes Using Exposure Models | Active | |
| NCHRP 17-103 | A Guide and Toolkit for Strategic Decision-Making to Improve Traffic Safety | Pending | Pending |
| NCHRP 17-104 | Enhancement of Roadside Design Safety Prediction Models for the Highway Safety Manual | Active | Research in progress |
| NCHRP 17-105 | MASH Crashworthiness of Luminaire Poles | Final | This project is combined with NCHRP Project 22-43 |
| NCHRP 17-106 | Motorist Behavior and Safety Impacts on Bicyclists from Centerline and Shoulder Rumble Strips on High-Speed Two-Lane Highways | Active | |
| NCHRP 17-107 | Guide for Work Zone Intrusion Prediction and Prevention | Pending | Pending |
| NCHRP 17-108 | Developing Crash Modification Factors for Alternative Intersections | Active | |
| NCHRP 17-109 | Crash Modification Factors for Automated Traffic Signal Performance Measures | Active | Research in progress |
| NCHRP 17-11 | Determination of Safe/Cost Effective Roadside Slopes and Associated Clear Distances | Completed | |
| NCHRP 17-11(02) | Development of Clear Recovery Area Guidelines | Completed | |
| NCHRP 17-11(03) | Development of Clear Recovery Area Guidelines | Final | |
| NCHRP 17-110 | Vehicle-Based Telemetric Data for State and Local Transportation Agencies | Pending | |
| NCHRP 17-111 | Speed Management Strategies to Improve Pedestrian and Bicyclist Safety on Arterials and Higher-Speed Roadways | Pending | |
| NCHRP 17-112 | Enhancing Crash Modification Factors and Safety Performance Functions for Pedestrian and Bicyclist Countermeasures | Active | |
| NCHRP 17-113 | Incorporating Safe System Approach into the NCHRP Report 500 Series | Active | Research underway |
| NCHRP 17-114 | Integrated Strategies for Managing Excessive Travel Speed to Improve Safety Performance | Active | |
| NCHRP 17-115 | Guide for Marked Crosswalk Design, Spacing, Placement, and Safety | Pending | |
| NCHRP 17-116 | Practical Approaches to Quantifying Safe System Concepts | Active | |
| NCHRP 17-117 | Advancing Safety Prediction Methodologies for Horizontal Curves | Active | |
| NCHRP 17-118 | Understanding the Impacts of Operational Changes on Safety Performance | Active | |
| NCHRP 17-119 | Conflict-Based Crash Prediction Method for Intersections | Pending | |
| NCHRP 17-12 | Improved Safety Information to Support Highway Design | Completed | |
| NCHRP 17-120 | A Method to Link Crash, Emergency Medical Service, and Trauma Registry Data | Active | Research underway |
| NCHRP 17-121 | Using Advanced Technologies to Reduce Commercial Motor Vehicle Crashes in Work Zones | Pending | |
| NCHRP 17-122 | Strategies and Technologies for Warning, Detection, and Prevention of Trespassing in the Vicinity of Highway-Rail Grade Crossings: State of the Practice and Research Needs | Pending | |
| NCHRP 17-123 | Guide for Evaluating the Safety Performance of Shared Railway–Highway Interfaces | Pending | |
| NCHRP 17-124 | Effectiveness of Speed Reduction in Work Zones | Pending | |
| NCHRP 17-125 | Guide for Applying Safe System Principles in the Road Safety Audit Process | Pending | |
| NCHRP 17-126 | Crash Prediction Models for Alternative and Unconventional Intersections | Pending | |
| NCHRP 17-127 | Guide for Applying Quantitative Highway Safety Analysis Methods | Pending | |
| NCHRP 17-128 | Reducing Adverse Driving Behaviors in Work Zones: Strategies and Guidelines | Pending | |
| NCHRP 17-129 | Assessing Safety Performance of Atypical Service Interchanges | Pending | |
| NCHRP 17-13 | Strategic Plan for Improving Roadside Safety | Completed | |
| NCHRP 17-14 | Improved Guidelines for Median Safety | Final | |
| NCHRP 17-15 | Accident Mitigation on Congested Rural and Exurban Two- and Three-Lane Highways | Final | |
| NCHRP 17-16 | Accident Warrant for Traffic Signals | Final | |
| NCHRP 17-17 | Development of Guidelines for Nighttime Road Work to Improve Safety and Operations | Completed | |
| NCHRP 17-17(2) | Development of Guidelines for Nighttime Road Work to Improve Safety and Operations | Completed | |
| NCHRP 17-18 | AASHTO Strategic Highway Safety Plan Implementation Support | Completed | |
| NCHRP 17-18(02) | Web Site Development | Completed | |
| NCHRP 17-18(03) | Guidance for Implementation of the AASHTO Strategic Highway Safety Plan | Completed | |
| NCHRP 17-18(04) | Highway Safety Manual | Completed | |
| NCHRP 17-18(05) | Integrated Management Process to Reduce Highway Injuries and Fatalities Statewide | Completed | |
| NCHRP 17-18(05)B | Integrated Safety Management Process - Technical Support | Completed | |
| NCHRP 17-18(07) | AASHTO Strategic Highway Safety Plan--Technology Transfer Plan | Completed | |
| NCHRP 17-18(08) | Comprehensive Human Factors Guidelines for Road Systems | Completed | |
| NCHRP 17-18(09)A | Coordination of Safety Research | Completed | |
| NCHRP 17-18(10) | Safe Landscape Awareness Course | Completed | |
| NCHRP 17-18(11) | Implementation Plan and Products | Completed | |
| NCHRP 17-18(14) | Lane Departure Video | Completed | |
| NCHRP 17-18(15) | Local Highway Agency Safety Guides | Completed | |
| NCHRP 17-18(19) | White Paper on Alternate Strategies for Safety Improvement Investments | Completed | |
| NCHRP 17-20 | Technical Support for the AASHTO Task Force on Roadside Safety (TFRS) | Completed | |
| NCHRP 17-21 | Safety of U-Turns at Unsignalized Median Openings | Completed | |
| NCHRP 17-22 | Identification of Vehicular Impact Conditions Associated with Serious Ran-Off-Road Crashes | Completed | |
| NCHRP 17-23 | Safety Impacts and Other Implications of Raised Speed Limits on High-Speed Roads | Completed | |
| NCHRP 17-24 | Use of Event Data Recorder (EDR) Technology for Roadside Crash Data Analysis | Completed | |
| NCHRP 17-25 | Crash Reduction Factors for Traffic Engineering and ITS Improvements | Completed | |
| NCHRP 17-26 | Methodology to Predict the Safety Performance of Urban and Suburban Arterials | Completed | |
| NCHRP 17-27 | Parts I and II of the Highway Safety Manual | Completed | |
| NCHRP 17-28 | Pavement Marking Materials and Markers: Safety Impact and Cost-Effectiveness | Completed | |
| NCHRP 17-29 | Methodology to Predict the Safety Performance of Rural Multilane Highways | Completed | |
| NCHRP 17-30 | Traffic Safety Evaluation of Nighttime and Daytime Work Zones | Completed | |
| NCHRP 17-31 | Human Factors Guidelines for Road Systems--Phase 2 | Completed | |
| NCHRP 17-32 | Guidance for the Design and Application of Shoulder and Centerline Rumble Strips | Completed | |
| NCHRP 17-33 | Effectiveness of Behavioral Highway Safety Countermeasures | Completed | |
| NCHRP 17-34 | Prepare Parts IV and V of the Highway Safety Manual | Completed | |
| NCHRP 17-35 | Evaluation of Safety Strategies at Signalized Intersections | Completed | |
| NCHRP 17-36 | Production of the First Edition of the Highway Safety Manual | Completed | |
| NCHRP 17-37 | Pedestrian Predictive Crash Methodology for Urban and Suburban Arterials | Completed | |
| NCHRP 17-38 | Highway Safety Manual Implementation and Training Materials | Completed | |
| NCHRP 17-40 | Model Curriculum for Highway Safety Core Competencies | Completed | |
| NCHRP 17-41 | Human Factors Guidelines for Road Systems - Phase III | Completed | |
| NCHRP 17-42 | Development of Information and Data to Support Improved Safety Management and Communication of Safety Needs | Completed | |
| NCHRP 17-43 | Long-Term Roadside Crash Data Collection Program | Final | |
| NCHRP 17-44 | Factors Contributing to Median Encroachments and Cross-Median Crashes | Final | |
| NCHRP 17-45 | Enhanced Safety Prediction Methodology and Analysis Tool for Freeways and Interchanges | Final | |
| NCHRP 17-46 | Comprehensive Analysis Framework for Safety Investment Decisions | Final | |
| NCHRP 17-47 | Human Factors Guidelines for Road Systems | Final | |
| NCHRP 17-48 | Highway Infrastructure and Operations Safety Research Needs | Completed | Published as NCHRP Report 756. |
| NCHRP 17-49 | Guide for Effective Tribal Crash Reporting | Completed | Final report published as NCHRP Report 788. |
| NCHRP 17-50 | Lead States Initiative for Implementing the Highway Safety Manual | Final | |
| NCHRP 17-51(03) | Communication Plan for the National Highway Safety Strategy | Completed | |
| NCHRP 17-51(04) | Development of a National Strategy on Highway Safety — TZD Framework | Final | |
| NCHRP 17-52 | Using Peer Exchanges to Improve the Effectiveness of a State's Strategic Highway Safety Plan | Final | |
| NCHRP 17-53 | Evaluation of the 13 Controlling Criteria for Geometric Design | Final | |
| NCHRP 17-54 | Consideration of Roadside Features in the Highway Safety Manual | Final | |
| NCHRP 17-55 | Guidelines for Slope Traversability | Final | Published as NCHRP Research Report 911 |
| NCHRP 17-56 | Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments | Active | |
| NCHRP 17-57 | Development of a Comprehensive Approach for Serious Traffic Crash Injury Measurement and Reporting Systems | Final | |
| NCHRP 17-58 | Safety Prediction Models for Six-Lane and One-Way Urban and Suburban Arterials | Final | |
| NCHRP 17-59 | Safety Impacts of Intersection Sight Distance | Completed | |
| NCHRP 17-60 | Benefit-Cost Methodology for Behavioral Highway Safety Countermeasures | Active | |
| NCHRP 17-61 | Work Zone Crash Characteristics and Countermeasure Guidance | Final | |
| NCHRP 17-62 | Improved Prediction Models for Crash Types and Crash Severities | Final | |
| NCHRP 17-63 | Guidance for the Development and Application of Crash Modification Factors | Final | |
| NCHRP 17-64 | Guidance for the Implementation of the Toward Zero Deaths National Strategy on Highway Safety | Final | |
| NCHRP 17-65 | Improved Analysis of Two-Lane Highway Capacity and Operational Performance | Final | |
| NCHRP 17-66 | Guidance for Selection of Appropriate Countermeasures for Opposite Direction Crashes | Final | This project was published as NCHRP Research Report 995. |
| NCHRP 17-67 | Identification of Factors Contributing to the Decline of Traffic Fatalities in the United States | Active | |
| NCHRP 17-68 | Intersection Crash Prediction Methods for the Highway Safety Manual | Final | |
| NCHRP 17-69 | A Strategic Approach to Transforming Traffic Safety Culture to Reduce Deaths and Injuries | Final | The contractor's report is available as NCHRP Web-Only Document 252 |
| NCHRP 17-70 | Development of Roundabout Crash Prediction Models and Methods | Final | |
| NCHRP 17-71 | Proposed AASHTO Highway Safety Manual, Second Edition | Final | Being completed by NCHRP Project 17-71A |
| NCHRP 17-71A | Proposed AASHTO Highway Safety Manual, Second Edition | Active | Research underway |
| NCHRP 17-72 | Update of Crash Modification Factors for the Highway Safety Manual | Final | |
| NCHRP 17-73 | Systemic Pedestrian Safety Analysis | Final | |
| NCHRP 17-74 | Application of Crash Modification Factors for Access Management | Final | Final report has been published as NCHRP Research Report 974 Volumes 1 and 2 |
| NCHRP 17-75 | Leveraging Big Data to Improve Traffic Incident Management | Final | Published as NCHRP Research Report 904. |
| NCHRP 17-76 | Guidance for the Setting of Speed Limits | Final | |
| NCHRP 17-77 | Guide for Quantitative Approaches to Systemic Safety Analysis | Final | |
| NCHRP 17-78 | Understanding and Communicating Reliability of Crash Prediction Models | Final | |
| NCHRP 17-79 | Safety Effects of Raising Speed Limits to 75 mph and Higher | Final | |
| NCHRP 17-80 | Expansion of Human Factors Guidelines for Road Systems, Second Edition | Completed | |
| NCHRP 17-81 | Proposed Macro-Level Safety Planning Analysis Chapter for the Highway Safety Manual | Final | The Final Report was published as NCHRP Research Report 1044. The guide was published as NCHRP WOD 348. |
| NCHRP 17-82 | Proposed Guidance for Fixed Objects in the Roadside Design Guide | Final | |
| NCHRP 17-83 | Briefings and Training Materials for Implementation of the Highway Safety Manual, Second Edition | Final | Project Cancelled |
| NCHRP 17-84 | Pedestrian and Bicycle Safety Performance Functions for the Highway Safety Manual | Final | The Final Report published as NCHRP Research Report 1064. |
| NCHRP 17-85 | Development and Application of Crash Severity Models for the Highway Safety Manual | Final | |
| NCHRP 17-86 | Estimating Effectiveness of Safety Treatments in the Absence of Crash Data | Final | |
| NCHRP 17-87 | Enhancing Pedestrian Volume Estimation and Developing HCM Pedestrian Methodologies for Safe and Sustainable Communities | Final | Published as NCHRP WOD 312 and NCHRP Research Report 992 |
| NCHRP 17-88 | Roadside Encroachment Database Development and Analysis | Completed | Publication decision pending. |
| NCHRP 17-89 | Safety Performance of Part-Time Shoulder Use on Freeways | Completed | |
| NCHRP 17-89A | HOV/HOT Freeway Crash Prediction Method for the Highway Safety Manual | Final | |
| NCHRP 17-89B | Safety Performance of Part-Time Shoulder Use on Freeways | Anticipated | Cancelled. |
| NCHRP 17-90 | Evaluation of Roadside Crash Injury Metrics in MASH | Completed | Publication Pending |
| NCHRP 17-91 | Assessing the Impacts of Automated Driving Systems (ADS) on the Future of Transportation Safety | Final | Published as NCHRP Research Report 1001/BTSCRP Research Report 2 |
| NCHRP 17-92 | Developing Safety Performance Functions for Rural Two-Lane Highways that Incorporate Speed Measures | Completed | Publication decision pending. |
| NCHRP 17-93 | Updating Safety Performance Functions for Data-Driven Safety Analysis | Final | |
| NCHRP 17-95 | Crash Modification Factors (CMFs) for Intelligent Transportation System (ITS) Applications | Completed | Expired. |
| NCHRP 17-96 | Traffic Safety Culture Research Roadmap | Final | |
| NCHRP 17-97 | Strategies to Improve Pedestrian Safety at Night | Active | |
| NCHRP 17-98 | Guide for Intersection Control Evaluation | Completed | |
| NCHRP 17-99 | Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings | Active | |