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Presentation | 2013

Safety Impacts of Access Management: Two Case Studies

Presentation Outline

  • Case Study 1-Nebraska Avenue Lane Diet
    • Before: 4-lane undivided
    • After: 2-lane divided with TWLTL
  • Case Study 2-Hillsborough Avenue Median Installation
    • Before: 6-lane with TWLTL
    • After: 6-lane with raised medians

Case Study 1: Discussion

  • Significant Safety Improvement
  • Improvement of all Analyzed Crash Types
  • From Worse to Better than SW Average
  • Exceeded CRF Expectation
  • Better Parcel Access
  • Did not Significantly Impact Capacity
  • Results May not Be Typical

Case Study 2: Discussion

  • Significant Safety Improvement
  • Improvement of Most Crash Types
  • Still above SW Average (32% improvement)
  • Exceeded CRF Expectation
  • More Controlled Parcel Access
  • Continue to Monitor Bike/Ped
Categories
Effects
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