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PPT version for Printing
NCHRP Project 17-35: Evaluation of Safety Strategies at Signalized Intersections
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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
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| – 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
- On-line survey using Zoomerang
- Links to the survey:
- State DOTs
- Selected local agencies
- Listservs
| –Traffic Control Devices |
| –Safety Engineers |
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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