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NCHRP Project 17-35: Evaluation of Safety Strategies at Signalized Intersections

 

 

Evaluations of Low Cost Safety Improvements Pooled Fund Study

 

PPT version for Printing

NCHRP Project 17–35: Evaluation of Safety Strategies at Signalized Intersections

 
Key Team Members:
Raghavan Srinivasan (PI), HSRC
Kim Eccles (Co–PI), VHB
Persaud and Lyon Inc.
Alicia Carriquiry, Iowa State University

Objectives and Scope

  • Complementary to the FHWA Pooled Fund Safety Evaluation project
  • Develop Accident Modification Factors for selected strategies from Volume 12 of NCHRP Report 500 (strategies at signalized intersections)
  • Focus on ‘tried’ and ‘experimental’
  • Before–after safety effectiveness evaluations
  • Likely to evaluate 4–5 treatments

Tasks

  • Task 1: Literature Review
– Reviewed ongoing and recently completed studies
– Focus on crash based studies
– For each study:
  • Data
  • Methodology
  • Develop Accident Modification Factors
  • Comments and Rating (low, low–medium, medium–high, and high)

Task 2: Survey of Agencies


Future Tasks

  • Compile results of Task 2 survey
  • Follow–up with phone calls to selected agencies
  • Select possible strategies/treatments
  • Develop work plan and interim report (Aug 2007)
  • Meet with NCHRP Panel (Sep/Oct 2007)
  • After Panel’s approval, start compiling data for evaluating the selected treatments
  • Project is scheduled to end October 31, 2009

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