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Before And After Analysis of Two-Way Left-Turn Lane and Driveway Consolidation Access Management Project Along South Duff Ave. In Ames, Iowa Completed Fall 1994. After: 17 crashes/year 70 percent crash rate reduction Rear end crashes reduced most. Before: 50 crashes/year. - PowerPoint PPT Presentation
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Before: 50 crashes/yearAfter: 17 crashes/year 70 percent crash rate reduction
Rear end crashes reduced most
Before And After Analysis of
Two-Way Left-TurnLane and Driveway
Consolidation Access
Management Project
Along South Duff Ave.
In Ames, IowaCompleted Fall
1994
Driveway-Related Crashes Des Moines, Iowa Metropolitan
Area, 1996 Data
Ankeny Blvd.: Recently Completed Raised Median and Driveway Consolidation Project In Commercial District
Ankeny, Iowa Detail
1st Avenue: Mainly Four-Lane UndividedWith Substantial Retail Development--Potential for Better Access Management
