Manual on Uniform Traffic Control Devices
The Manual on Uniform Traffic Control Devices for Streets and Highways or MUTCD defines the standards used by road managers nationwide to install and maintain traffic control devices on all public streets, highways, bikeways, and private roads open to public travel.
The MUTCD is published by the Federal Highway Administration (FHWA) under 23 Code of Federal Regulations (CFR), Part 655, Subpart F.
The PDF version of the 2009 MUTCD with Revision Numbers 1 and 2 incorporated, dated May 2012 is the most current edition of the official FHWA publication.
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