Intersection control evaluation (ICE) is fundamentally a process that provides the framework, steps, and tools and offers decision support for assessing trade-offs between different types of intersection forms and controls.
NCHRP Research Report 1087: Guide for Intersection Control Evaluation, from TRB's National Cooperative Highway Research Program, defines intersection form as the physical layout of the intersection and intersection control as the traffic control device used to govern movements for vehicles, pedestrians, and bicyclists. For example, in the case of a modern roundabout, "form" refers to the circular shape, while "control" refers to yield control at entry.
National Academies of Sciences, Engineering, and Medicine. 2024. Guide for Intersection Control Evaluation. Washington, DC: The National Academies Press.
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