(a) A person may not dismantle a warning signal at a grade crossing on an active rail line, as defined by rule of the Texas Department of Transportation, if the cost of the warning signal was originally paid entirely or partly from public money unless the person:
(1) obtains a permit from the governmental entity that maintains the road or highway that intersects the rail line at the grade crossing; and
(2) pays that governmental entity an amount equal to the present salvage value of the warning signal, as determined by the governmental entity.
(b) The governmental entity shall grant the permit if:
(1) payment is received; and
(2) the entity finds that removal of the warning signal will not adversely affect public safety.

(c) Money received under Subsection (a)(2) shall be deposited in the state treasury.
(d) This section does not apply to a Class I or Class II railroad, as defined by Interstate Commerce Commission regulations.
(e) A person commits an offense if the person violates this section. An offense under this section is a Class C misdemeanor.
(f) The Texas Department of Transportation may adopt rules necessary to administer this section.
(g) In this section:
(1) “Grade crossing” has the meaning assigned by Section 472.004(f).
(2) “Warning signal” means a traffic control device that is activated by the approach or presence of a train, including a flashing light signal, an automatic gate, or a similar device that displays to motorists a warning of the approach or presence of a train.