Comparison of Delay and ICU Analyses—Case Study

by Cathy Higley, DKS Associates, Santa Ana, United States,
Venu Sarakki, DKS Associates, Santa Ana, United States,

Document Type: Proceeding Paper

Part of: Site Impact Traffic Assessment: Problems and Solutions


Traffic Management Initiative was a petition-based referendum that sought to limit traffic impacts of proposed or planned development through the use of more stringent transportation planning guidelines. ICU analysis compares the volume of traffic at an intersection to its estimated capacity. This paper provides an evaluation of the two level of service methodologies, namely the delay and ICU level of service, and their relationship to each other.

Subject Headings: Comparative studies | Traffic analysis | Traffic models | Traffic capacity | Traffic surveys | Traffic signals | Intersections | Traffic delay

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