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Unsignalized Intersection Improvement Guide Toolkit

Practical guidance for improving the safety, mobility, and accessibility at unsignalized intersections.

Description:

This Unsignalized Intersection Improvement Guide (UIIG) has been developed to assist practitioners at such agencies in selecting design, operational, maintenance, enforcement, and other types of treatments to improve safety, mobility, and accessibility at unsignalized intersections. Originally produced under Project No. 03-104 of the National Cooperative Highway Research Program, the web-based UIIG is now hosted by the Institute of Transportation Engineers (ITE) under the sponsorship of the Federal Highway Administration (FHWA) Office of Safety.