Alternative Intersection Design and Selection (2020) / Chapter Skim
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Pages 68-71
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From page 68... ...
68 C H A P T E R 5 Synthesis Objectives, Scope, and Methodology The objective of this synthesis was to document the existing state of the practice by Departments of Transportation (DOTs) for alternative intersection design and selection.
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From page 69... ...
Conclusions 69 Experience with Alternative Intersections • Roundabouts are the most widely implemented type of alternative intersection. Ninety percent of DOTs reported having at least one roundabout in their jurisdiction open and operational.
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70 Alternative Intersection Design and Selection • The suitability of the various alternative intersection types for each project is an important consideration used by DOTs in the selection process. Particular traffic and site conditions favor some forms over others, such that a geometric form fitting in one location may be illfitting in another.
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From page 71... ...
Conclusions 71 pavement markings, lighting, and signal cabinets as well as information regarding traffic volumes and physical site conditions suitable for a given intersection type. • The development of operational and safety evaluation studies and enhanced practitioner guidance for CFIs.
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