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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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Light

The Effect of Nighttime Lighting on Construction Workers’ Safety

This research evaluated the effectiveness of nighttime construction lighting systems in improving worker visibility and safety while minimizing glare impacts on motorists in Nebraska work zones. The … [Read more...] about The Effect of Nighttime Lighting on Construction Workers’ Safety

INDOT Implements New Roadway Worker Safety Initiative: Project Greenlight

INDOT’s new Project Greenlight initiative is equipping highway workers with Guardian Angel wearable safety lights to improve visibility and worker safety in low-visibility conditions. Following a … [Read more...] about INDOT Implements New Roadway Worker Safety Initiative: Project Greenlight

Effectiveness of Lighted Work Zone Apparel: Effects on Visibility

The goal of this study is to evaluate effectiveness of lighted work zone apparel under realistic conditions. More specifically, the goal is to compare the effectiveness of various kinds of lighted … [Read more...] about Effectiveness of Lighted Work Zone Apparel: Effects on Visibility

Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities

Over the last two decades, an increasing number of highway construction and maintenance projects in the United States have been completed at night to avoid or alleviate traffic congestion delays. … [Read more...] about Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities

Work Zone Lighting’s Effect on Driver Visibility

Portable light towers are a significant source of glare to motorists entering a work zone. Although existing research has evaluated the effect of light tower orientation on visibility and glare, the … [Read more...] about Work Zone Lighting’s Effect on Driver Visibility

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

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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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