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Introduction to Sign Retroreflectivity

Do I Have to Comply with the Minimum Retroreflective Requirements?

Yes, every public agency, including State, county, and local / township agencies, as well the Federal Land Management Agencies (National Park Service, U.S. Forest Service, and U.S. Fish and Wildlife), and tribal nations that maintain roads open to public travel have to comply with the minimum retroreflectivity requirements for their traffic signs.