Category:Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs
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1927 manual published by the American Association of State Highway Officials setting standards for the usage of traffic signs, road surface markings, and signals on rural roads in the United States | |||||
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Media in category "Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs"
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Manual and Specifications for the Manufacture Display and Erection of U.S. Standard Road Markers and Signs.pdf 1,275 × 1,650, 76 pages; 2.73 MB