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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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Arkansas State Highway and Transportation Department

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

AHTD Announces RED-Zones Campaign: Alternate Routes Suggested

The Arkansas State Highway and Transportation Department has announced the “Know the RED-Zones” campaign to highlight areas with significantly reduced capacity during highway construction projects in … [Read more...] about AHTD Announces RED-Zones Campaign: Alternate Routes Suggested

Safety Manual

The Safety Manual covers the following topics: general information and policies; general safety rules; general directions for first aid; accidents--what to do?; passenger cars and trucks; … [Read more...] about Safety Manual

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