Impact of Lowering Speed on Pedestrian and Bicyclist Safety

The objective of this study is to assess the extent to which vehicle speeds, pedestrian/bicyclist crashes and conflicts and pedestrian/bicyclist injury severity change as a result of implementation of speed-related programs to improve pedestrian and bicyclist safety. The first phase of the study involves a program scan to determine localities that have implemented speed-related countermeasures on a large scale to increase pedestrian and bicyclist safety and that have data that can be used to evaluate these countermeasures before and after implementation. The study will use the data identified in the scan to determine the impact each speed-related countermeasure had on behavior outcomes (vehicle speeds, number of pedestrian/bicyclist crashes and conflicts, and pedestrian/bicyclist injury severity). The second phase of the study will be a prospective evaluation of the most effective speed-related countermeasures identified in the first phase.

Language

• English

Project

• Status: Active
• Funding: $385673
• Contract Numbers:

  DTNH17F00184

• Sponsor Organizations:

  National Highway Traffic Safety Administration

  1200 New Jersey Avenue, SE
  Washington, D.C.  United States  20590

  Office of Behavioral Safety Research

  1200 New Jersey Avenue, SE
  Washington, District of Columbia  United States  20590
• Managing Organizations:

  National Highway Traffic Safety Administration

  1200 New Jersey Avenue, SE
  Washington, D.C.  United States  20590
• Project Managers:

  Johnson, Kristie

• Performing Organizations:

  University of North Carolina Highway Safety Research Center

  730 Martin Luther King Jr. Boulevard CB # 3430
  Chapel Hill, NC  United States  27599-3430
• Principal Investigators:

  Johnson, Kristie

• Start Date: 20170927
• Expected Completion Date: 20231231
• Actual Completion Date: 0
• USDOT Program: Behavioral Safety Research
• Subprogram: Bicycle Safety
• Subprogram: Pedestrian Safety

Subject/Index Terms

• TRT Terms: Before and after studies; Countermeasures; Crash injuries; Crash rates; Cyclists; Impacts; Injury severity; Pedestrian safety; Traffic crashes; Traffic speed
• Subject Areas: Highways; Operations and Traffic Management; Pedestrians and Bicyclists; Safety and Human Factors;

Filing Info

• Accession Number: 01677355
• Record Type: Research project
• Source Agency: National Highway Traffic Safety Administration
• Contract Numbers: DTNH17F00184
• Files: RIP, USDOT
• Created Date: Aug 1 2018 5:57PM