When a person or corporation is about to erect a line of telegraph or telephone wires, in and along a highway within a town, in and along which a line of poles has already been erected by another person or corporation for a similar purpose, the Transportation Board or selectboard of such town shall have the right to permit and may require the new line to be attached to the poles already standing, as provided in section 2516 of this title. (Amended 1989, No. 246 (Adj. Sess.), § 32.)