United States Department of Transportation
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Intersection and Interchange Geometrics
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2016-01-01
[PDF-3.07 MB]
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Abstract:About half of all severe crashes in the U.S. are intersection related. Left-turns represent a large portion of the intersection safety concern. As part of the safety focus area of the Every Day Counts (EDC) initiative, the Federal Highway Administration (FHWA) is promoting several proven techniques to improve the safety of intersections by strategically eliminating or relocating the left-turn conflicts. Transportation agencies that apply the intersection and interchange geometrics under this initiative can reduce crashes and greatly enhance the efficiency of moving traffic, often times with substantial cost savings and accelerated project delivery.
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