United States Department of Transportation
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Incorporating Data-Driven Analysis in Intersection Analyses Through the Use of Intersection Control Evaluations: A How-To Guide
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2020-01-01
[PDF-4.10 MB]
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Abstract:An analyst can integrate DDSA into an ICE with a few basic steps. This guide presented an overview of ICE and an example to compare intersection designs and address safety concerns. In this example, a roundabout was recommended as the preferred alternative. The analysis shows that the roundabout will provide a greater reduction in fatal and injury crashes while having similar operational characteristics as the other alternatives. The benefit-cost analysis found that the benefits exceed the costs for the recommended alternative, demonstrating that it is a sound safety investment that is one step closer to realizing the goal of zero deaths and serious injuries on the Nation’s roadways.
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