Presentation | 2013
Safety Impacts of Access Management: Two Case Studies
- Authored by: Peter Hsu
- Co-authored by: W. T. Bowman
- Event: 2010 National Conference on Access Management
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