Arterial highway.

RCW 46.04.030
in effect
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"Arterial highway" means every public highway, or portion thereof, designated as such by proper authority. "Arterial highway" means every public highway, or portion thereof, designated as such by proper authority.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=46.04&full=trueFetched: 6/29/2026

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