Manual on Uniform Traffic Control Devices
What is the Manual on Uniform Traffic Control Devices (MUTCD)?
The MUTCD contains the standards for traffic control devices that regulate, warn, and guide road users along highways, county roads, and city streets. The MUTCD functions as both a legal and an engineering document. The Revised Code of Washington (RCW) 47.36, Traffic Control Devices, requires the Washington State Department of Transportation (WSDOT) to adopt uniform standards for traffic control devices installed along state highways. The law also requires that traffic control devices along county roads fully conform to these adopted standards, and those along city streets conform to the extent possible.
MUTCD 2003
WSDOT adopted the MUTCD 2003 on November 3, 2005. The MUTCD 2003 and Washington State Modification are effective for use in Washington beginning December 4, 2005.
Modifications to the MUTCD 2003
The link below provides access to a list of MUTCD 2003 modifications for Washington State.
Adopted Modifications
MUTCD M.E.
The MUTCD Millennium Edition was in effect in Washington State from January 9, 2003 to December 3, 2005. The following link will take you to the Millennium Edition and the Millennium Edition modifications.
Hard copies or CD versions of the MUTCD are available from the following organizations:
American Association of State Highway Organizations at: https://bookstore.transportation.org/
Institute of Traffic Engineers at: http://www.ite.org/bookstore/index.asp
American Traffic Safety Services Association at: http://www.atssa.com/
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