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SubjectsTransportation › Traffic Signs - MUTCD
Updated 08/2011

Traffic Signs - Manual on Uniform Traffic Control Devices (MUTCD)

Contents

News Updates

Introduction and History of MUTCD

  • Manual on Uniform Traffic Control Devices (MUTCD) - Washington State Department of Transportation

    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 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.
  • Manual on Uniform Traffic Control Devices (MUTCD Knowledge- Federal Highway Administration - Includes Overview, The Evolution of MUTCD, Who Uses the MUTCD and How

MUTCD in Washington State

The MUTCD contains 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.  Also look at WAC 468-95.

WSDOT adopted the MUTCD 2003 on November 3, 2005. The MUTCD 2003 and Washington Modification were effective for use in Washington beginning December 4, 2005. A copy of the MUTCD and a list of modifications is on the WSDOT MUTCD Web page.    A MUTCD  Adoption Committee is reviewing the  MUTCD 2009 edition.  WSDOT has until January 15, 2012 to complete the adoption process. 

Other Authorized Traffic Related Signs

Headlights On

Street Name Signs MUTCD Compliance 

Sample City and County Traffic Sign Policies

Additional Information Resources