Case Study Tag: Intersections

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J-Turn Statewide Implementation

Minnesota
J-turn intersections reduced angle crashes by 67% and fatal and serious injury angle crashes by 87%.
Minnesota J-Turn WebpageJ-Turn Driver TutorialAASHTO Case Study

Idaho’s US-20 Expansion from SH-55 to Locust Grove

Idaho
US-20 expansion and reflective backplating on signals reduced serious injury and fatal crashes by 75%.
Project Overview FlyerAASHTO Case Study

Exploring the Safety Benefits of All-Way Stop Control at Low-Volume Unsignalized Intersections

Delaware
All-Way Stop Control (AWSC) at low-volume intersections reduced fatal crashes by 75% and injury crashes by 90%.
Roadway Safety Foundation Case StudyNews ReleaseAASHTO Case Study
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