(a) A governmental entity that has jurisdiction over a public roadway and that has posted one or more signs in the right-of-way stating that parking is prohibited in the right-of-way may:
(1) remove or contract with a towing company to remove an unauthorized vehicle parked in the right-of-way of the public roadway; or
(2) grant written permission to an abutting parking facility owner to:
(A) post one or more "No parking in R.O.W." signs along a common property line of the facility and the roadway; and
(B) remove vehicles from the right-of-way of the public roadway under this chapter.
(b) A sign under Subsection (a)(2) must:
(1) state that a vehicle parked in the right-of-way may be towed at the expense of the owner or operator of the vehicle;
(2) be placed facing the public roadway:
(A) on the parking facility owner's property not more than two feet from the common boundary line; and
(B) at intervals so that no point in the boundary line is less than 25 feet from a sign posted under this subsection; and
(3) in all other respects comply with Subchapter G.
(c) After signs have been posted under Subsection (b), the parking facility owner or a towing company may remove an unauthorized vehicle from the right-of-way subject to the governmental entity's written permission given under Subsection (a)(2).