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Manual on Uniform Traffic Control Devices (MUTCD) - FHWA
Dec 19, 2023 · The Manual on Uniform Traffic Control Devices for Streets and Highways—the MUTCD—defines the standards used by road managers nationwide to install and maintain traffic control devices on all streets, highways, pedestrian and bicycle facilities, and site roadways open to public travel.
The best reference for information on United States traffic and road signs for over two decades.
In the United States, road signs are, for the most part, standardized by federal regulations, most notably in the Manual on Uniform Traffic Control Devices (MUTCD) and its companion volume the Standard Highway Signs (SHS).
In January 1927, the American Association of State Highway Officials (AASHO) published the Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs to set standards for traffic control devices used on rural roads. [3]
National Association of City Transportation Officials
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