6.— Section 13 of the Principal Act is amended by substituting for subsections (1) to (4) the following:

“(1) Subject to Part III, the maintenance and construction of all national and regional roads in a county or city is a function of the council of that county or city.

(2) It is the function of a local authority to maintain and construct all local roads—

(a) in the case of a county council — in its administrative area, other than the administrative area of any borough or town referred to in Chapter 2 of Part 1 of Schedule 6 to the Local Government Act 2001 situated within the county of the council, and

(b) in the case of any other local authority — in its administrative area.

(3) The local authorities referred to in subsections (1) and (2) are road authorities for the purposes of the roads referred to in those subsections and shall, subject to Part III and in respect of those roads, perform all the functions assigned to road authorities by or under any enactment (including this Act) or instrument.

(4) The expenses of a county council in respect of its functions under subsection (2) shall be charged on the county of the council exclusive of any borough or town that is situated within the county.”.