Safety Highlights

Explore relevant case studies by filtering via agency, keyword, or pre-set filters in the left menu, or by using the topic tags located at the bottom of the page.

DelDOT’s Road Design Manual

Delaware
The DelDOT Road Design Manual includes key changes in road design practices with several new and updated policies and guidelines geared toward creating a safer, more multi-modal roadway network.

American Samoa Road Safety

American Samoa
The rugged terrain and high-sloped roadsides of Pacific islands is prone to rockfall, landslides, and tidal waves. American Samoa employs a variety of strategies and traffic devices to improve safety.

High Wind Blow-Over Crash and Closure Reduction Study

Wyoming
High wind blow-over crash and closure reduction study implemented targeted warnings and closures, reducing blow-over incidents.

Safety First Cross Divisional Work Group

Wisconsin
Safety First Work Group fostered collaboration and resource sharing for safety initiatives.

WISDOT’s Approach to Reducing Intersection Crashes

Wisconsin
Intersection safety improvements and data enhancements prioritized effective safety countermeasures, leading to improvements at 175 intersections.

High Friction Surface Treatment on Vertical Curves

West Virginia
HFST on vertical curves reduced wet weather crashes by 84%.

Tennessee’s Pedestrian Road Safety Initiative: A Strategic Approach to Addressing High Risk Locations for Vulnerable Roadway Users

Tennessee
Pedestrian Road Safety Initiative (PRSI) funds projects to reduce fatal and severe pedestrian crashes.

Crash Modification Factors for High-Tension Cable Median Barriers in Pennsylvania

Pennsylvania
High-tension cable median barriers reduced cross-median crashes by up to 83%.