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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 ...
This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, sign number R1-2, which states specifically on page I-1 that: Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain.
The 11th edition of the MUTCD was released on December 19, 2023. [1] The effective date, 30 days after publication, of the MUTCD was January 18, 2024. States have two years after the effective date to do one of the following options: adopt the revised MUTCD, adopt the revised MUTCD with a state supplement, or adopt a state-specific MUTCD. [2]
Signs in some parts of Canada and Mexico near the US border often include both metric and Imperial units, to remind US drivers that they are entering metric countries. In Canada, these signs display the imperial speed limit using a Canadian-style sign, rather than an MUTCD-standard used in the US. [8] No such equivalent exists in the US.
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Some OMUTCD signs are variants or clarifications of signs that appear in the MUTCD, such as a series of lane use control signs for every combination of through and turn lanes up to six lanes, [10] or a standardized "Signal Under Study for Removal" sign that the MUTCD only refers to in passing. [11] Signs originally published as part of the ...
Each of the California sign specifications is assigned an alphanumeric designation and organized according to the same series found in the SHSM. The sign designation for a state-specific sign includes a "(CA)" after the sign number. The CA MUTCD also defines some state-specific series: [8] Series G: California Guide; Series SG: California ...
This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, sign number W11-2, which states specifically on page I-1 that: Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain.