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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 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 ...
11th edition of the MUTCD, published December 2023. 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).
The Ohio Manual of Uniform Traffic Control Devices (abbreviated OMUTCD) is the standard for traffic signs, road surface markings, and traffic signals in the U.S. state of Ohio. It is developed by the Ohio Department of Transportation 's Office of Roadway Engineering "in substantial conformance to" the national Manual on Uniform Traffic Control ...
Signs in the MUTCD are often more text-oriented, though some signs do use pictograms as well. Canada and Australia have road signs based substantially on the MUTCD. In South America, Ireland, several Asian countries (Cambodia, Japan, Thailand, Malaysia and Indonesia) and New Zealand, road signage is influenced by both the Vienna Convention and ...
English: Sign W9-3 “Center Lane Closed Ahead” from the Manual of Uniform Traffic Control Devices from 2000 to 2023. The 11th edition of the MUTCD replaced this sign with a symbol sign that was numbered as W9-3a from 2000 to 2009.
19 December 2023: Source "Regulatory Signs, Barricades, and Gates" in (19 December 2023) Manual on Uniform Traffic Control Devices for Streets and Highways (11th ed.), Washington, D.C.: Federal Highway Administration, p. 130 Retrieved on 19 December 2023. Author: Federal Highway Administration: Other versions
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 ...