US lawWashingtonStatutesTitle 47Chapter 56600RCW 47.56.600RCW 47.56.600: Naches Pass tunnel—Design.Last amended: 1961Year: 2026Length: 24 wordsOfficial source Upon adoption of the financing plan the commission and the authority, acting jointly, shall forthwith proceed to make the design for the entire project.PreviousRCW 47.56.401NextRCW 47.56.711