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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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Communication and Control

Multi-Objective Optimisation of a Variable Speed Limit Control Strategy in a Tunnel Maintenance Work Zone of the Mountain Highway

Variable Speed Limit (VSL) control is essential for managing highway tunnel maintenance work, as it adjusts speed limits based on road conditions to regulate traffic flow. Developing a VSL control … [Read more...] about Multi-Objective Optimisation of a Variable Speed Limit Control Strategy in a Tunnel Maintenance Work Zone of the Mountain Highway

Rhode Island Department of Transportation Launches 511 System to Report Potholes

The Rhode Island Department of Transportation (RIDOT) has launched a new 24/7 pothole reporting hotline and online dashboard to improve the identification, tracking, and repair of potholes on state … [Read more...] about Rhode Island Department of Transportation Launches 511 System to Report Potholes

Indiana Adds More Traffic Camera ‘Safe Zones’ in Construction Sites

Indiana has expanded its work zone speed enforcement program by adding a new camera-enforced Safe Zone on Interstate 65 in Jasper County near Rensselaer. The state now operates three Safe Zones, with … [Read more...] about Indiana Adds More Traffic Camera ‘Safe Zones’ in Construction Sites

WisDOT Launches New Traffic Safety Measures for Work Zones

The Wisconsin Department of Transportation (WisDOT) is introducing new safety measures and public awareness efforts to improve safety in highway work zones. Initiatives include illuminated speed limit … [Read more...] about WisDOT Launches New Traffic Safety Measures for Work Zones

Creating Effective Graphic Changeable Dynamic Message Sign (DMS) Messaging

Successful transportation safety messages are only effective if travelers can comprehend the notices. However, one method of safety messaging, text-only messages, can be challenging for non-native … [Read more...] about Creating Effective Graphic Changeable Dynamic Message Sign (DMS) Messaging

Gov. Ivey Signs Alabama Work Zone Safety Act

The article reports that Alabama Governor Kay Ivey signed Senate Bill 341, the Alabama Work Zone Safety Act, establishing a pilot program to deploy photographic speed enforcement systems in interstate … [Read more...] about Gov. Ivey Signs Alabama Work Zone Safety Act

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Copyright © 2026 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