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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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Delineators

 

Evaluation of Modified Work Zone Traffic Control Devices at Business Accesses

Modified work zone traffic control devices at business accesses were evaluated on two Oregon Department of Transportation (ODOT) projects in 1999 and 2000. In Sweet Home, Oregon, on the Sweet-Home WCL … [Read more...] about Evaluation of Modified Work Zone Traffic Control Devices at Business Accesses

Helping Businesses in Work Zones

Many business owners fear that highway construction projects will significantly reduce traffic to their businesses. Customers complain about the difficulty in finding business driveways in work zones. … [Read more...] about Helping Businesses in Work Zones

Use of Signage and Blue Tubular Markers to Improve Access to Businesses during Construction

The study evaluated two non-standard traffic control devices intended to assist motorists in locating business accesses during highway construction. The devices, blue tubular markers and blue signs … [Read more...] about Use of Signage and Blue Tubular Markers to Improve Access to Businesses during Construction

Work Zone Traffic Management Synthesis: Barrier Delineation Treatments Used in Work Zones

This report is a synthesis of research findings on current practices in the delineation of portable concrete safety-shaped barriers (CSSBs) in work zones. The information is based on a review of … [Read more...] about Work Zone Traffic Management Synthesis: Barrier Delineation Treatments Used in Work Zones

Evaluation of Delineation Systems for Temporary Traffic Barriers in Work Zones

This study investigated the effectiveness of various barrier-mounted reflectors. Barrier delineators come in different shapes and sizes, and their materials and installation labor costs also differ. … [Read more...] about Evaluation of Delineation Systems for Temporary Traffic Barriers in Work Zones

Use of “Saddle drums”/“Saddlemarker”

Washington state DOT used saddle drums in a test area in the Northwest Region. The feelings were that they provided good barrier delineation (large target value) but were somewhat expensive for the … [Read more...] about Use of “Saddle drums”/“Saddlemarker”

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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
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