Subsections (1) to (4) of section 6 above apply, as respects trunk roads, to the functions of the Minister under the foregoing provisions of this Part of this Act relating to cattle-grids, and to his functions under Schedule 10 to this Act in so far as they are conferred on him as highway authority.

Plant or materials belonging to a council to whom functions are delegated under this section may be used by them for the purposes of those functions, subject to the terms of the delegation.