NCHRP Report 500 Volume 22: A Guide for Addressing Collisions Involving Motorcycles
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NCHRP Report 500 Volume 22:
A Guide for Addressing Collisions Involving Motorcycles
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TRB's National Cooperative Highway Research Program (NCHRP) Report 500, Vol. 22: Guidance for Implementation of the AASHTO Strategic Highway Safety Plan: A Guide for Addressing Collisions Involving Motorcycles provides guidance on strategies that can be employed to reduce crashes involving motorcycles.

In 1998, the American Association of State Highway and Transportation Officials (AASHTO) approved its Strategic Highway Safety Plan, which was developed by the AASHTO Standing Committee for Highway Traffic Safety with the assistance of the Federal Highway Administration, the National Highway Traffic Safety Administration, and the Transportation Research Board Committee on Transportation Safety Management. The plan includes strategies in 22 key emphasis areas that affect highway safety. The plan's goal is to reduce the annual number of highway deaths by 5,000 to 7,000. Each of the 22 emphasis areas includes strategies and an outline of what is needed to implement each strategy.

Over the last few years the National Cooperative Highway Research Program (NCHRP) has been developing a series of guides, several of which are already available, to assist state and local agencies in reducing injuries and fatalities in targeted areas. The guides correspond to the emphasis areas outlined in the AASHTO Strategic Highway Safety Plan. Each guide includes a brief introduction, a general description of the problem, the strategies/countermeasures to address the problem, and a model implementation process.


  • Transportation — Highways
  • Transportation — Safety and Human Factors

Publication Info

178 pages | 8.5 x 11

Table of Contents

skim chapter
Front Matter i-xi
Introduction 1-1
Explanation of Objectives 2-3
Target of the Objectives 4-6
Section II - Introduction 7-8
General Description of the Problem 9-10
Specific Attributes of the Problem 11-13
Section IV - Index of Strategies by Implementation Timeframe and Relative Cost 14-15
Explanation of Objectives 16-18
Classification of Strategies 19-19
Related Strategies for Creating a Truly Comprehensive Approach 20-21
Objective 11.1 A - Reduce the Number of Motorcycle Crashes by Incorporating Motorcycle-Friendly Roadway Design, Traffic Control, Construction, and Maintenance Policies and Practices 22-49
Objective 11.1 B - Reduce the Number of Motorcycle Crashes Due to Rider Impairment 50-64
Objective 11.1 C - Reduce the Number of Motorcycle Crashes Due to Unlicensed or Untrained Motorcycle Riders 65-82
Objective 11.1 D - Reduce the Number of Motorcycle Crashes by Increasing the Visibility of Motorcyclists 83-88
Objective 11.1 E - Reduce the Severity of Motorcycle Crashes 89-107
Objective 11.1 F - Increase Motorcycle Rider Safety Awareness 108-121
Objective 11.1 G - Increase Safety Enhancements for Motorcyclists 122-123
Objective 11.1 H - Improve Motorcycle Safety Research, Data, and Analysis 124-131
Outline for a Model Implementation Process 132-132
Overview of the Model Process 133-135
Implementation Step 1: Identify and Define the Problem 136-139
Implementation Step 2: Recruit Appropriate Participants for the Program 140-141
Implementation Step 3: Establish Crash Reduction Goals 142-142
Implementation Step 4: Develop Program Policies, Guidelines, and Specifications 143-143
Implementation Step 5: Develop Alternative Approaches to Addressing the Problem 144-145
Implementation Step 6: Evaluate Alternatives and Select a Plan 146-147
Implementation Step 7: Submit Recommendations for Action by Top Management 148-148
Implementation Step 8: Develop a Plan of Action 149-150
Implementation Step 9: Establish Foundations for Implementing the Program 151-151
Implementation Step 10: Carry Out the Action Plan 152-152
Implementation Step 11: Assess and Transition the Program 153-154
Section VII - Key References 155-165
Appendixes 166-166
Abbreviations used without definitions in TRB publications 167-167

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