(A) 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.
(B) Every person who is convicted of a violation of this section shall be guilty of an offense punishable by a fine as provided for in this code.
(ILCS Ch. 625, Act 5 § 11-311) (‘69 Code, § 17-11) Penalty, see § 70.99