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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

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