US lawWashingtonStatutesTitle 46Chapter 04030RCW 46.04.030RCW 46.04.030: Arterial highway.Last amended: 1961Year: 2026Length: 15 wordsOfficial source "Arterial highway" means every public highway, or portion thereof, designated as such by proper authority.PreviousRCW 46.04.028NextRCW 46.04.040