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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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Managing Speeds

Speed Limits Lowered in High-Speed Work Zones

Lower speed limits for certain work zones on interstate and other multi-lane highways became effective today, June 1, 2001. The Iowa Department of Transportation announced the change, which will … [Read more...] about Speed Limits Lowered in High-Speed Work Zones

Illinois Takes Work Zone Safety to Heart – with Help of Workers’ Kids

Illinois drivers are getting an important message these days from an authority they can trust - kids. Illinois Department of Transportation officials, watching death tolls rise in state work zones, … [Read more...] about Illinois Takes Work Zone Safety to Heart – with Help of Workers’ Kids

Speeding in Work Zones Taking a Deadly Road Toll

A record number of people are being killed in highway work zones as motorists speed through construction areas -- confused, frustrated or both by ever-increasing miles of narrow lanes and orange … [Read more...] about Speeding in Work Zones Taking a Deadly Road Toll

Study Tests Devices to Improve Work Zone Safety

The Texas Department of Transportation (TxDOT) selected the Texas Transportation Institute (TTI) to investigate new traffic control devices that can improve worker and driver safety. This study … [Read more...] about Study Tests Devices to Improve Work Zone Safety

Evaluation of Work Zone Speed Reduction Measures (Presentation)

The Iowa Department of Transportation (DOT) has made improving work zone (WZ) safety a high priority. Managing vehicle speeds through work zones is perceived to be an important factor in achieving … [Read more...] about Evaluation of Work Zone Speed Reduction Measures (Presentation)

Effect of Speed Monitoring Displays on Entry Ramp Speeds at Rural Freeway Interchanges

The effectiveness of speed monitoring displays (SMDs) in controlling the speed of on-ramp traffic at rural freeway interchanges was evaluated as part of the Midwest States Smart Work Zone Deployment … [Read more...] about Effect of Speed Monitoring Displays on Entry Ramp Speeds at Rural Freeway Interchanges

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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