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Traffic Laws and Rules for Local Agencies

The following traffic laws and rules pertain to state and local agencies in Washington state. Some cities and counties adopt WSDOT or other rules and standards. This information would be found in the city or county code.

For questions pertaining to traffic tickets received, please contact the jurisdiction that issued the citation: city or town, county, tribe, or Washington State Patrol. WSDOT does not handle these types of questions. For other types of questions please contact the Traffic Services Manager.

WA State capitol building with State Patrol car.

Manual on Uniform Traffic Control Devices (MUTCD) as modified by Washington state

Other federal laws and rules

Washington state laws & rules

Search for Washington state laws and rules.

For drivers:

For questions, assistance, or recommendations on specific situations, please contact the Traffic Services Manager. For questions about tickets/citations received, please contact the jurisdiction that issued the citation: city or town, county, tribe, or Washington State Patrol. WSDOT does not handle these types of questions.

Traffic control devices:

Work zones:

Access management:

Definitions and roles:

Jurisdictional issues: