Manual on Uniform Traffic Control Devices: Difference between revisions

Revision as of 20:47, 25 May 2024

Revision as of 04:59, 24 July 2024

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The MUTCD defines the content and placement of traffic signs, while design specifications are detailed in a companion volume, '''''Standard Highway Signs and Markings'''''. This manual defines the specific dimensions, colors, and fonts of each sign and road marking. The National Committee on Uniform Traffic Control Devices (NCUTCD) advises the FHWA on additions, revisions, and changes to the MUTCD.

The United States is among the countries that have not ratified the [[Vienna Convention on Road Signs and Signals]]. The first edition of the MUTCD was published in 1935, 33 years before the Vienna Convention was signed in 1968. The MUTCD differsextremely significantlydifferent from the European-influenced Vienna Convention, and an attempt to adopt several of the Vienna Convention's standards during the 1970s led to confusion among many US drivers.

== History ==