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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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Sign Supports

Single-post, temporary sign support with sandbag ballast

Mississippi uses single u-posts for warning signs up to 36-inch and double u-posts for 48-inch warning signs. For directional signs, the state uses u-posts (from two up to however many it takes). … [Read more...] about Single-post, temporary sign support with sandbag ballast

Portable Sign Supports

Montana follows these guidelines for portable sign supports:Construct portable sign support assemblies from lightweight yielding material. Meet the following requirements: A. Use wood members with a … [Read more...] about Portable Sign Supports

Evaluation of Work Zone Barricades and Temporary Sign Supports

Safety of work zones is a major area of concern since it is not always possible to maintain a level of safety comparable to that of a normal highway not under construction. Proper traffic control is … [Read more...] about Evaluation of Work Zone Barricades and Temporary Sign Supports

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

Maintenance of Signs and Sign Supports: A Guide for Local Highway and Street Maintenance Personnel

Highway signs are the means by which the road agency communicates the rules, warnings, guidance and other highway information that drivers need to navigate their roads and streets. This guide, which … [Read more...] about Maintenance of Signs and Sign Supports: A Guide for Local Highway and Street Maintenance Personnel

Oregon Department of Transportation Standard Drawings

The Standard Drawings are compliant with Oregon Standard Specifications. They are intended to communicate design standards and practices to the Design Engineer. It includes three sections: Roadway … [Read more...] about Oregon Department of Transportation Standard Drawings

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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