State highway.
RCW 46.04.560
in effect"State highway" includes every highway or part thereof, which has been designated as a state highway or branch thereof, by legislative enactment.
"State highway" includes every highway or part thereof, which has been designated as a state highway or branch thereof, by legislative enactment.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=46.04&full=trueFetched: 6/29/2026
