Safety Evaluation of Multiple Strategies at Signalized Intersections

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August 5th, 2017

This study evaluated multiple low-cost treatments at signalized intersections. Improvements included basic signing, pavement marking, and signal enhancements. This strategy is intended to reduce the frequency and severity of crashes at signalized intersections by alerting drivers to the presence, type, and configuration of the approaching intersection.

Many studies have explored the safety effectiveness of some of the individual countermeasures. However, no study has conducted a rigorous evaluation of the effectiveness of installing packages of these strategies in combination across many intersections. This study sought to fill this knowledge gap.

FHWA Publication No.: FHWA-HRT-17-063