(a) The authority of the Texas Transportation Commission under this section is limited to a line on a state highway not in a municipality. The authority of the commissioners court under this section is limited to a line on a county road not in a municipality.
(b) The Texas Transportation Commission or the commissioners court of a county may require an electric utility to relocate a line of the utility, at the utility’s own expense, to allow the:
(1) widening of a right-of-way;
(2) changing of a traffic lane;
(3) improving of a road bed; or
(4) improving of a drainage ditch located on a right-of-way.

(c) To impose a requirement under this section, the Texas Transportation Commission or the commissioners court, as appropriate, must give to the electric utility 30 days’ written notice of the requirement. The notice must identify the line to be relocated and indicate the location on the new right-of-way where the electric utility may place the line.