Alternative Intersection Design and Selection (2020) / Chapter Skim
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1 As operational and safety challenges continue to mount on the transportation system in the United States, the use of alternative intersections is becoming more prevalent. An alternative intersection is any intersection (including at-grade intersections located at ramp terminals of service interchanges)
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2 Alternative Intersection Design and Selection A key finding of the synthesis was that DOTs use several different approaches and tools for the evaluation and selection of intersection types. Nine states (California, Florida, Georgia, Indiana, Minnesota, Nevada, Pennsylvania, Washington State, and Wisconsin)
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Summary 3 experience with them. Evaluation studies identified through the literature search and survey generally show that alternative intersections improve both operations and safety, although the availability of evaluation studies for CFIs is limited.
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4 Alternative Intersection Design and Selection as geometrics (e.g., offset of displaced movements from the central intersection) , signing, pavement markings, lighting, and signal cabinets as well as information regarding traffic volumes and physical site conditions suitable for a given intersection type.
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