No person shall without lawful authority attempt to or in fact alter, deface, injure, knock down, or remove any official traffic control signal, traffic device or railroad sign or signal, or any inscription, shield, or insignia thereon, or any other part thereof.
RCW 47.36.130
Meddling with signs prohibited.
1961 c 13 s 47.36.130
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.