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The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...
The American Association of State Highway Officials would publish the first national Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs over two years later. In July 1934, Ohio's manual was expanded and renamed to the Manual of Standard Signs, Markers, and Pavement Marking.
Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs. Some have special shapes, such as the octagon for the Stop sign and the crossbuck for railroad crossings.
The U.S. Route shield is the highway marker used for United States Numbered Highways. Since the first U.S. Route signs were installed in 1926, the general idea has remained the same, but many changes have been made in the details. Originally, the shield included the name of the state in which the sign was erected and the letters "U S" on a ...
The road markings shall be white or yellow. [3] The length and width of markings varies according to purpose, although no exact figures for size are stated; roads in built up areas should use a broken line for lane division, while continuous lines must only be used in special cases, such as reduced visibility or narrowed carriageways.
Road signs used by countries in the Americasare significantly influenced by the Manual on Uniform Traffic Control Devices(MUTCD), first released in 1935, reflecting the influence of the United States throughout the region.[1] Other non-American countries using road signs similar to the MUTCD include Australia, Indonesia, Ireland, Japan ...
The California Manual on Uniform Traffic Control Devices (abbreviated CA MUTCD) is the standard for traffic signs, road surface markings, and traffic signals in the U.S. state of California. It is developed by the California Department of Transportation (Caltrans) Division of Safety Programs "in substantial conformance to" the national Manual ...
A route shield pavement marking measures approximately 6 by 15 feet (1.8 m × 4.6 m). It is half the width of a standard Interstate highway lane; like some other kinds of pavement markings, it is elongated to appear proportional to a driver traveling at high speed. [7] [10] It may appear in full color or as a simple outline.