13Agreements with roads authorities, etc.
(1)Where under this Act the authorised undertaker is authorised to stop up or interfere with an existing road or part of an existing road, it may enter into agreements with the persons having the charge, management or control of the road concerning the construction (or contribution towards the expense of the construction) of—
(a)any new road to be provided in substitution;
(b)any alteration of the existing road; and
(c)any other related matters.
(2)The authorised undertaker may, by agreement with any such persons, delegate to them the power of constructing any such new road or any such alteration of an existing road, including any bridge over any railway, and, where the authorised undertaker is responsible for maintaining the new or altered road or bridge, the power to maintain it.