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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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Variable Speed Limit Systems

Variable Speed Limits Control for Smart Work Zone With Connected Vehicles

Freeway work zones with lane closures can cause traffic disruption and congestion with increased travel time, safety risks, and emissions. Variable speed limit (VSL) control has been widely studied to … [Read more...] about Variable Speed Limits Control for Smart Work Zone With Connected Vehicles

Improving Road Worker Safety on the M1

The M1 Pacific Motorway in Australia is a critical route connecting Sydney with Newcastle, but poses significant risks to road workers due to live traffic conditions. In collaboration with Transport … [Read more...] about Improving Road Worker Safety on the M1

Work Zone Speed Management

Work zone crashes are a significant problem in the United States, and speed is often cited as a contributing factor. Research has shown that drivers believe their driving behavior is safe and speed is … [Read more...] about Work Zone Speed Management

Work Zone Intelligent Transportation Systems – Technology Supplement

This report represents a technology supplement to the 2014 Work Zone Intelligent Transportation Systems (WZITS) Implementation Guide (Report No. FHWA-HOP-14-008). The Guide forms the foundational … [Read more...] about Work Zone Intelligent Transportation Systems – Technology Supplement

Variable Speed Limit Control of Traffic Flow in Expressway Construction Zone

With the increasing speed of construction and the continuous improvement of its corresponding infrastructure, the expressway plays an increasingly important role in promoting the development of … [Read more...] about Variable Speed Limit Control of Traffic Flow in Expressway Construction Zone

Use of Smart Work Zone Technologies for Improving Work Zone Safety: A Synthesis of Highway Practice

To make work zones safer, state departments of transportation (DOTs) use smart technologies with specialized components, such as sensors, communications, software, and electronic equipment, to manage … [Read more...] about Use of Smart Work Zone Technologies for Improving Work Zone Safety: A Synthesis of Highway Practice

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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