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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Safety Factors

FHWA Issues Final Retro-Reflectivity Pavement Rule

Federal Highway Administration issued a final rule aimed at improving safety for all road users by ensuring pavement markings are more visible in dark or low light conditions. Under the final rule, … [Read more...] about FHWA Issues Final Retro-Reflectivity Pavement Rule

Countermeasures to Reduce Truck-Mounted Attenuator (TMA) Crashes: A State-of-the-Art Review

To support worker and driver safety, this study conducted a comprehensive literature review to identify methods of enhancing TMA visibility, improving work zone configurations, and ensuring worker … [Read more...] about Countermeasures to Reduce Truck-Mounted Attenuator (TMA) Crashes: A State-of-the-Art Review

Effects of Wearable Light Systems on Safety of Highway Construction Workers

Recent statistics indicate that the number of injuries and fatalities on highway construction projects continues to rise. This increase is attributed primarily to unsafe driver behavior, such as … [Read more...] about Effects of Wearable Light Systems on Safety of Highway Construction Workers

Flagger Class 17 Visibility and 500 Feet

This is part of a video series produced by Tennessee Department of Transportation teaching proper flagging techniques. It explains the importance of keeping vest and equipment visible from 500 feet … [Read more...] about Flagger Class 17 Visibility and 500 Feet

Optimizing Speed Limits Upstream of Freeway Reconstruction and Expansion Work Zones Based on Driver Characteristics

Traffic incidents occurring in freeway work zones mainly include rear-end accidents and roadside accidents, as well as collisions between vehicles and traffic facilities and construction personnel. … [Read more...] about Optimizing Speed Limits Upstream of Freeway Reconstruction and Expansion Work Zones Based on Driver Characteristics

Work Zone Lighting’s Effect on Driver Visibility

Portable light towers are a significant source of glare to motorists entering a work zone. Although existing research has evaluated the effect of light tower orientation on visibility and glare, the … [Read more...] about Work Zone Lighting’s Effect on Driver Visibility

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Copyright © 2025 American Road & Transportation Builders Association (ARTBA). The National Work Zone Safety Information Clearinghouse is a project of the ARTBA Transportation Development Foundation. It is operated in cooperation with the U.S. Federal Highway Administration and Texas A&M Transportation Institute. | Copyright Statement · Privacy Policy · Disclaimer
American Road and Transportation Builders Association Transportation Development Foundation, American Road and Transportation Builders Association U.S. Department of Transportation Federal Highway Administration Texas A&M Transportation Institute