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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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Materials

Evaluating the Intensity of Green Warning Light for Snowplow Trucks Using CIELAB Color Space

Snowplow Trucks (SPTs) work under extremely challenging conditions, typically traveling at lower speeds compared with other vehicles. Because of reduced speeds and poor visibility, a major safety … [Read more...] about Evaluating the Intensity of Green Warning Light for Snowplow Trucks Using CIELAB Color Space

A Review of High-Visibility Clothing for Accident Prevention and Safety of Workers and Pedestrians

High visibility safety clothing incorporates critical elements, such as fluorescent colour and retro-reflective markings that provide visibility and identification both during the day and at night. … [Read more...] about A Review of High-Visibility Clothing for Accident Prevention and Safety of Workers and Pedestrians

Mobility and Safety Impacts of Work Zone Lane and Shoulder Widths

The goal of this project was to quantify the mobility and safety impacts of different combinations of lane width and shy distance to a barrier for a given paved width. The research team developed a … [Read more...] about Mobility and Safety Impacts of Work Zone Lane and Shoulder Widths

Improving Commercial Motor Vehicles’ Ability to Navigate Work Zone Lane Shifts

Temporary lane shifts in roadway construction projects, essential for providing space for work activities, often create challenges for drivers, particularly for commercial motor vehicle operators of … [Read more...] about Improving Commercial Motor Vehicles’ Ability to Navigate Work Zone Lane Shifts

Seeing Orange and White Lines on the Freeway? Here’s What They Mean

Transportation officials in Southern California are piloting a new strategy to improve safety in construction zones by using orange and white lane striping. Initiated in late 2021 on the 5 Freeway in … [Read more...] about Seeing Orange and White Lines on the Freeway? Here’s What They Mean

Effectiveness of Contrast Markings on Roadways and Orange Markings in Work Zones

Lane departure crashes are a leading cause of fatalities and injury crashes on roadways. To solve this problem, innovative marking in the form of contrasted white on concrete sections and orange … [Read more...] about Effectiveness of Contrast Markings on Roadways and Orange Markings in Work Zones

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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