§ 71.21 ALTERATION, INJURY, AND REMOVAL OF TRAFFIC-CONTROL DEVICES.
   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.
(W. Va. Code § 17C-3-9) Penalty, see § 71.99