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

  • Posted on: Mon, 09/23/2013 - 21:04
  • By: fbroen
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