(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 punished by a fine of at least $250 in addition to any other penalties which may be imposed.
(625 ILCS 5/11-311) (2000 Code, § 70.36) Penalty, see § 70.999