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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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Changeable Message Signs

Temporary Traffic Control Design Guidelines

This document is intended to provide guidelines relating to the design of temporary traffic control for state highway construction, maintenance related operations, utility operations, and incident … [Read more...] about Temporary Traffic Control Design Guidelines

Safety Effects of Work Zone Advisory Systems Under the Intelligent Connected Vehicle Environment: A Microsimulation Approach

The maintenance is essential to keep good roadway conditions. Nevertheless, it is inevitable that crash risks increase in work zones. There have been many efforts to minimize crash risks in the work … [Read more...] about Safety Effects of Work Zone Advisory Systems Under the Intelligent Connected Vehicle Environment: A Microsimulation Approach

Evaluation of the Effectiveness of Dynamic Speed Feed Back Signs in Work Zones on High-Speed Kansas Roadways

Work zones are essential to keeping our roadways preserved or reconstructed so that they are safe and efficient. Work zones tend to increase safety risks due to the normal driving’s changing … [Read more...] about Evaluation of the Effectiveness of Dynamic Speed Feed Back Signs in Work Zones on High-Speed Kansas Roadways

Practices in One-Lane Traffic Control on a Two-Lane Rural Highway

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 525: Practices in One-Lane Traffic Control on a Two-Lane Rural Highway identifies innovative practices and devices for … [Read more...] about Practices in One-Lane Traffic Control on a Two-Lane Rural Highway

Integrated Control Method for Freeway Work Zones Under Partially Connected Vehicle Environment

Highway work zones can cause traffic congestion and even traffic accidents. Dynamic lane merging (DM) and variable speed limit (VSL) systems are possible solutions to improve the efficiency of work … [Read more...] about Integrated Control Method for Freeway Work Zones Under Partially Connected Vehicle Environment

NZTA Personalising Road Messages on SH2

Personalised road signs such as “Shane works here”, “He wants to get home”, and “look after Shane” are displayed on a variable message sign on the SH2 corridor between Waihi and Omokoroa to capture … [Read more...] about NZTA Personalising Road Messages on SH2

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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