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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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Dynamic Speed Display Signs

Smart Speed Warnings Alert Drivers Nearing Freeway Work Zones

Speeding in highway work zones has caused unexpected congestion and crashes. To combat this problem, the Minnesota Department of Transportation developed a Smart Work Zone Speed Notification (SWZSN) … [Read more...] about Smart Speed Warnings Alert Drivers Nearing Freeway Work Zones

Evaluation of the Smart Work Zone Speed Notification System

The Smart Work Zone Speed Notification (SWZSN) system aims to alleviate congestion, queuing, and rear end crashes in work zones by informing drivers of the speed of the downstream segment using a type … [Read more...] about Evaluation of the Smart Work Zone Speed Notification System

Influence of Work Zone Signage on Driver Speeding Behavior

Speeding in a work zone needs to be tackled effectively to enhance work zone safety. This study evaluates the influence of three different work zone signs—speed photo enforced signs, dynamic speed … [Read more...] about Influence of Work Zone Signage on Driver Speeding Behavior

Impact of Work Zone Signage on Driver Speeding Behavior: A Driving Simulator Study

Speeding in a work zone needs to be tackled effectively to enhance work zone safety. This study evaluates the influence of three different work zone signs – speed photo enforced signs, dynamic speed … [Read more...] about Impact of Work Zone Signage on Driver Speeding Behavior: A Driving Simulator Study

Inventory of Best Practices to Prevent Incursions into Work Zones – Literature Review

The aim of this report was to review the literature to identify existing best practices used to prevent incursions into work zones and improve safety of road users and road workers. A systematic … [Read more...] about Inventory of Best Practices to Prevent Incursions into Work Zones – Literature Review

Flagger Operations: Investigating Their Effectiveness in Capturing Driver Attention

This two-pronged (driving simulation and field study) investigation of driver behavior in work zones contributes basic and applied knowledge to our understanding of work zone safety. In the driving … [Read more...] about Flagger Operations: Investigating Their Effectiveness in Capturing Driver Attention

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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
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