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General

Legacy ID
21

The Dilemma Zone SBIR Success Story

This document highlights drivers' decisions regarding the dilemma zone (DZ). The DZ phenomenon is described as the moment when drivers face a predicament as a stoplight suddenly turns yellow, requiring either an abrupt stop or a rapid acceleration through the intersection.

About Systemic

pedestrians walkingHow it Works

The Systemic Safety Project Selection Tool involves...

USLIMITS2

A Tool to Aid Practitioners in Determining Appropriate Speed Limit Recommendations

FHWA offers FREE technical assistance to State and local agencies that are interested in learning more about using USLIMITS2 or setting safe speed limits. This includes answering questions, providing in-...

Engineering Speed Limits

The management of speed through appropriate speed limits is an essential element of highway safety. Appropriate speed limits are a prerequisite for effective and sustainable speed management. In terms of traffic law, speed limits should reflect the maximum reasonable and safe speed for normal...