Revised Code of Washington
Wash. Rev. Code § 47.42.010 (2026)
Declaration of purpose
✓ current as of May 2026
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The control of signs in areas adjacent to state highways of this state is hereby declared to be necessary to promote the public health, safety, welfare, convenience and enjoyment of public travel, to protect the public investment in the interstate system and other state highways, and to attract visitors to this state by conserving the natural beauty of areas adjacent to the interstate system, and of scenic areas adjacent to state highways upon which they travel in great numbers, and to insure that information in the specific interest of the traveling public is presented safely and effectively.
[ 1961 c 96 s 1.]
Notes of Decisions
Cited in 4
cases, 1968–2016 · leading case: Markham Advert. Co. v. State, 439 P.2d 248 (Wash. 1968).
Markham Advert. Co. v. State, 439 P.2d 248 (Wash. 1968). “RCW 47.42.010. *410 The Act designates "protected areas" and "scenic areas" within which "no person shall erect or maintain a sign," except as expressly permitted under the Act.”
State v. Lotze, 593 P.2d 811 (Wash. 1979). “RCW 47.42.010. RCW 47.42.030 contains a sweeping prohibition against signs visible from interstate, primary or scenic systems except as permitted under the act.”
Sun Outdoor Advert., Llc v. Washington State Dep't Of Transp., 381 P.3d 169 (Wash. Ct. App. 2016). “§ 131 (a). Under the Federal-Aid Highway Act, signs “may be erected and maintained within six hundred and sixty feet of the nearest edge of the right-of-way within areas adjacent to the Interstate and primary systems which are zoned industrial or commercial under authority of…”
Horan v. City of Fed. Way, 39 P.3d 366 (Wash. Ct. App. 2002). “See RCW 47.42.010. RCW 47.42.107(1). City of Federal Way Ordinance No.”
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