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Highway Work Zones and Signs, Signals, and Barricades - Copyright WARNING: Not all materials on this Web site were created by the federal government. Some content — including both images and text — may be the copyrighted property of others and used by the DOL under a license. Such content generally is accompanied by a copyright notice. It is your responsibility to obtain any necessary permission from the owner's of such material prior to making use of it. You may contact the DOL for details on specific content, but we cannot guarantee the copyright status of such items. Please consult the U.S. Copyright Office at the Library of Congress — http://www.copyright.gov — to search for copyrighted materials.
Highway Work Zones and Signs, Signals, and Barricades

Highway, road, street, bridge, tunnel, utility, and other workers for the highway infrastructure are exposed to hazards from outside and inside the work zone. Falls, electrical, struck-by, and caught between are the common hazards found in this type of work. Guidance for the set-up of work zone signs, barricades, flagging, etc. are found in the Department of Transportation's "Manual on Uniform Traffic Control Devices (MUTCD)." The MUTCD is referenced in 1926 Subpart G.

How can OSHA Help?

OSHA has developed this webpage to provide workers and employers useful, up-to-date information on Highway Work Zones and Signs, Signals, and Barricades. For other valuable worker protection information, such as Workers' Rights, Employer Responsibilities and other services OSHA offers, read OSHA's Workers page.