Sec. 544.005.  INTERFERENCE WITH TRAFFIC-CONTROL DEVICE OR RAILROAD SIGN OR SIGNAL.  A person may not, without lawful authority, alter, injure, knock down, or remove or attempt to alter, injure, knock down, or remove:
(1)  an official traffic-control device or railroad sign or signal;
(2)  an inscription, shield, or insignia on an official traffic-control device or railroad sign or signal;  or
(3)  another part of an official traffic-control device or railroad sign or signal.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.