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Unsignalized Intersection Improvement Guide - Practical guidance for improving the safety, mobility, and accessibility at unsignalized intersections.

UIIG Toolkit

The following UIIG tools have been developed to provide practitioners with applications and examples related to the assessment and enhancement of unsignalized intersections.

UIIG Citizen Traffic Service Request Form

This document can serve as an example and a starting point for agencies desiring to establish a mechanism for inviting and accepting feedback from the general public on perceived issues concerning their road networks.

UIIG Intersection Assessment and Inventory Form

This spreadsheet enumerates a variety of data elements related to the physical and operational characteristics of an unsignalized intersection and provides an interface through which they can be entered and cataloged.

UIIG Treatment Selection Tool

Seventy-five (75) engineering and enforcement treatments for unsignalized intersections are identified in the UIIG and described by individual fact sheets.  Users may access these fact sheets in four ways: