HRS §291C-37
Don't mess with traffic signs or railroad signals
This law says no one may change, damage, knock down, or remove any official traffic sign or railroad signal without permission. It also covers any writing, emblem, or part of those devices. Breaking this rule is illegal.
everyone
The statute, as written — Interference with official traffic-control devices or railroad signs or signals
No person shall, without lawful authority, attempt to or in fact alter, deface, injure, knock down, or remove any official traffic-control device or any railroad sign or signal or any inscription, shield, or insignia thereon, or any other part thereof.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.