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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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Warning Lights

Use of Blue Lights on Paving Equipment in Work Zones

Vehicle speed in work zones is a significant concern to ODOT and construction partners. Prior national research shows that law enforcement vehicles located within a work zone with active flashing blue … [Read more...] about Use of Blue Lights on Paving Equipment in Work Zones

Simulator and Field Study of Green Lights on Truck-Mounted Attenuators in Missouri During Mobile Operations

Mobile work zones for various types of moving operations (e.g., striping, pothole patching, sweeping) are an important component in highway maintenance activities which have particular safety issues. … [Read more...] about Simulator and Field Study of Green Lights on Truck-Mounted Attenuators in Missouri During Mobile Operations

Highway Construction, Maintenance, and Service Equipment Warning Lights and Pavement Data Collection System Safety

This report presents the results of research to develop recommendations to (1) improve the vehicle and equipment warning light policy for the Texas Department of Transportation, and (2) improve the … [Read more...] about Highway Construction, Maintenance, and Service Equipment Warning Lights and Pavement Data Collection System Safety

Looking Deep into the Eyes: Green Light on TMAs Could be Another Option for DOTs

Truck-mounted attenuator (TMA) has been used as a countermeasure to help improve safety in mobile work zones. However, 139 TMA crashes occurred in Missouri from 2012 to 2017 with distracted driving … [Read more...] about Looking Deep into the Eyes: Green Light on TMAs Could be Another Option for DOTs

Evaluation of Green Lights on TMAs

The use of green versus traditional amber lights on Truck Mounted Attenuators (TMAs) was investigated to see if their use could help to improve safety in mobile work zones. Four light color … [Read more...] about Evaluation of Green Lights on TMAs

Effectiveness of Stationary Police Vehicles with Blue Lights in Freeway Work Zones

Work zone safety affects both drivers and construction workers. Two main safety measures for reducing work zone crashes and their severity have been to reduce the vehicle speeds in work zones and to … [Read more...] about Effectiveness of Stationary Police Vehicles with Blue Lights in Freeway Work Zones

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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