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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

 

Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

New York state standard specifications require delineation on temporary barrier as follows: "The contractor shall provide and maintain delineation on the temporary barriers. This delineation shall … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

West Virginia uses "B-1" delineators every 20' mounted along the face (about 3/4 up). They can mount on top as an alternate, and various sizes are permitted. All delineators are attached by PVC … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

Illinois Department of Transportation Highway Standards & District Specific Standards

These drawings show the details of various construction items and are used in conjunction with the Standard Specifications. The applicable Standards are referenced on the cover sheet of the plans. … [Read more...] about Illinois Department of Transportation Highway Standards & District Specific Standards

Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

Wisconsin has typically not used top-mounted object markers on portable concrete barrier. The normal practice is to use only side-mounted delineator reflectors at 20-foot spacing. On curved alignment … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

Alabama requires a small, flexible plastic substrate marker mounted on the top of concrete barrier in construction work zones. These plastic markers are covered with silver Type III reflective … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices

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Copyright © 2023 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