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.

Enhancing Curve Signing on Rural Two-Lane Roadways in North Carolina

North Carolina
Enhanced curve signing reduced lane departures by 33%, total crashes by 35% and fatal and injury crashes by 41%.

Roundabouts at High-Speed Intersections in North Carolina

North Carolina
Roundabouts at high-speed intersections reduced total crashes by 41% and fatal and injury crashes by 79%.

Reduced Conflict Intersections in North Carolina

North Carolina
Reduced Conflict Intersections reduced total crashes by 50% and frontal impact crashes by 80%.

All Way Stops (AWS) in North Carolina

North Carolina
All Way Stops at rural intersections reduced fatal and severe injury crashes by 92%.

NCDOT Pedestrian Safety Improvement Program

North Carolina
The Pedestrian Safety Improvement Program implemented road safety audits and developed action plans for high-risk areas.

Safety Design Build 1.0 and 2.0

Missouri

Natural Bridge Avenue Safety Project

Missouri
The Natural Bridge Ave road diet and safety project reduced speeds by 17%, reduced all crashes by 75% and fatal pedestrian crashes by 100%.

J-Turns Analysis

Missouri
J-turns reduced fatal and injury crashes by 54% and right-angle crashes by 80%.