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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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Methodology

Survey of Work Zone Practices and Validation of Highway Capacity Manual Work Zone Capacity Model

Capacity at work zones is one of the major factors affecting queueing at work zones. Different states within the United States use their own methodology in determining work zone capacities and when to … [Read more...] about Survey of Work Zone Practices and Validation of Highway Capacity Manual Work Zone Capacity Model

Evaluation of DOTD’s Existing Queue Estimation Procedures

Louisiana Department of Transportation and Development (DOTD) requests that freeway lanes should not be closed for construction work during hours when capacity exceeds 1,309 pcphpl. It is not known … [Read more...] about Evaluation of DOTD’s Existing Queue Estimation Procedures

Evaluation of the Expressway Work Zone Guidance Systems Using a Virtual Driving Simulator

Various road occupation works pose potential risks of traffic accidents because they cause traffic bottleneck and congestion, which lead to unstable driving patterns such as quick deceleration and … [Read more...] about Evaluation of the Expressway Work Zone Guidance Systems Using a Virtual Driving Simulator

Risk to Workers or Vehicle Damage: What Makes Drivers Slow Down in Work Zones?

Objective Speeding in work zones is common and poses significant safety hazards to motorists and workers. Previous studies have demonstrated that speeding is reduced when workers are visible to the … [Read more...] about Risk to Workers or Vehicle Damage: What Makes Drivers Slow Down in Work Zones?

AGC: Work Zone Crashes up Despite Pandemic Traffic Drop

An annual survey conducted by the Associated General Contractors of America and construction software provider HCSS found that 60 percent of highway contractors experienced work zone crashes over the … [Read more...] about AGC: Work Zone Crashes up Despite Pandemic Traffic Drop

Assessment of Measures Instituted to Curb the Spread of COVID-19 on Construction Site

COVID-19 pandemic has become a global health issue that is ravaging every aspect of human life. Various countries, thus, institute many measures to prevent the spread of the disease among the … [Read more...] about Assessment of Measures Instituted to Curb the Spread of COVID-19 on Construction Site

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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