Washington Studded Tires Laws (2026)

Conditional: Studded tires are legal in Washington only from November 1 through March 31, and extensions are possible.

ConditionalVerified Jun 20, 2026

Studded tires are legal in Washington only from November 1 through March 31, and extensions are possible. They're prohibited the rest of the year. See Wash. Rev. Code 46.37.420 and the Washington State Department of Transportation (WSDOT).

Official source: app.leg.wa.gov →

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