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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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Economic and Social Factors

Work Zone Capacity Estimation for High Truck Volume Routes in Arkansas: Predicting Highway Capacity through Work Zones With High Truck Volumes and Reduced Lane Geometry Based Upon Local Conditions

Work zones on freeways are estimated to contribute to nearly 24 percent of non‐recurring delay.  Prior to 2010, the Highway Capacity Manual (HCM) provided limited guidance on vehicular capacity … [Read more...] about Work Zone Capacity Estimation for High Truck Volume Routes in Arkansas: Predicting Highway Capacity through Work Zones With High Truck Volumes and Reduced Lane Geometry Based Upon Local Conditions

Data-Driven Work Zone Process Reviews Case Study: Virginia Department of Transportation

Federal regulations in 23 CFR part 630 subpart J require State highway agencies to conduct a Work Zone Process Review (WZPR) every 2 years to evaluate work zone processes and procedures, as well as … [Read more...] about Data-Driven Work Zone Process Reviews Case Study: Virginia Department of Transportation

Methodology for Monitoring Work Zones Traffic Operations Using Connected Vehicle Data

The National Work Zone Safety Information Clearinghouse estimated there were approximately 115,000 work zone crashes with 842 fatalities in 2019. There is broad consensus that it is important for … [Read more...] about Methodology for Monitoring Work Zones Traffic Operations Using Connected Vehicle Data

Impact of Safety Measures for Hazard Recognition on the Rate of Accidents on Construction Sites in Abuja, Nigeria

This study evaluated the impact of safety measures for hazard recognition on the rate of accidents on construction sites in Abuja, Nigeria. A survey design was adopted through a quantitative study … [Read more...] about Impact of Safety Measures for Hazard Recognition on the Rate of Accidents on Construction Sites in Abuja, Nigeria

National Highways Looks Forward With ‘Bold’ New Approach to Roadworks

National Highways is developing a series of measures to reduce the impact of vital work being carried out on the Strategic Road Network. This includes an increase in the use of higher speed limits … [Read more...] about National Highways Looks Forward With ‘Bold’ New Approach to Roadworks

Improving Access to Voting Events With Traffic Analysis and Work Zone Management

The Federal Highway Administration is supporting the use of traffic analysis and enhanced work zone management to improve access to voting events. This effort aids the United States Department of … [Read more...] about Improving Access to Voting Events With Traffic Analysis and Work Zone Management

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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