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Washington State Legislature acknowledged the need for a police organization that was mobile and could be concentrated immediately at any place in the state where the public safety was endangered. The Highway Patrol Division officially became known as the Washington State Patrol, which had been given full police powers.

The first radio was installed on a motorcycle in the Vancouver area by Patrolman Harry Williams, which ran on a City of Portland Police frequency

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Mailing Address
Washington State Patrol
PO Box 42600
Olympia, WA 98504

Physical Address
Washington State Patrol
Helen Sommers Building
106 11th Avenue SW
Olympia, WA 98501

Wsp accessibility

The Washington State Patrol is firmly committed to providing an environment that provides the public fair and equal treatment and equal access to its benefits, programs and services as required by state and federal laws. If you require reasonable accommodation under the American with Disabilities Act, or would like to file a grievance please click on the following link:  WSP Public Accessibility and Grievance Process

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