After the erection of such line, the posts and structures thereof within the highways shall be subject to the regulation and control of the Transportation Board or selectboard, which may at any time require alterations in the location or erection of such poles and structures and may order the removal thereof, having first given the parties notice and an opportunity to be heard. The town may attach wires for its own use to such posts and structures under such terms and conditions as it deems just. (Amended 1989, No. 246 (Adj. Sess.), § 33.)