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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

Evaluation of Alternative Date Displays for Advance Notification Messages on Portable Changeable Message Signs in Work Zones

In this paper, the results of a laptop-based human factors study of alternative formats of presenting notice of future roadwork messages on portable changeable message signs (PCMSs) in highway work … [Read more...] about Evaluation of Alternative Date Displays for Advance Notification Messages on Portable Changeable Message Signs in Work Zones

Use of Radar-Equipped Portable Changeable Message Sign to Reduce Vehicle Speed in South Carolina Work Zones

This research examines the use of radar equipped portable changeable message signs to reduce driver speeds in South Carolina DOT work zones. The 85th percentile speed, mean speed, and percentage of … [Read more...] about Use of Radar-Equipped Portable Changeable Message Sign to Reduce Vehicle Speed in South Carolina Work Zones

Portable Changeable Message Sign Handbook

This handbook provides basic guidelines for the proper use of portable changeable message signs. … [Read more...] about Portable Changeable Message Sign Handbook

Guidelines for Work Zone Intrusion Countermeasures

Provides use guidelines and reporting requirements for the following: rumble strips, channelizing device spacing reduction, flagger station setups, work zone speed limit reductions, police … [Read more...] about Guidelines for Work Zone Intrusion Countermeasures

PCMS Handbook

The purpose of this handbook is to provide basic information for the safe and effective use of a Portable Changeable Message Sign (PCMS). This handbook will illustrate proper setup and delineation for … [Read more...] about PCMS Handbook

Travel Better, Travel Longer: A Pocket Guide to Improve Traffic Control and Mobility for Our Older Population

The Federal Highway Administration's Office of Operations prepared this pocket guide to assist transportation professionals in making decisions about the use of traffic control devices, taking into … [Read more...] about Travel Better, Travel Longer: A Pocket Guide to Improve Traffic Control and Mobility for Our Older Population

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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