10(1)The following operations and works, namely—
(a)the carrying out of any of the A2 and M2 improvement works which is not the construction of a highway,
(b)the stopping up of any highway in pursuance of Part II of this Schedule, and
(c)the stopping up of means of access to premises and the provision of new means of access in pursuance of Part II of this Schedule,
shall be treated as authorised by an order made by the Secretary of State under section 18 of the Highways Act 1980 in relation to the roads which become special roads by virtue of paragraph 6 above, and, in the case of operations and works falling within paragraph (c) above, as so authorised by virtue of section 125 of that Act.
(2)Subject to section 21 of that Act as it applies by virtue of sub-paragraph (1) above, the stopping up of any highway in pursuance of Part II of this Schedule shall not affect any rights—
(a)of statutory undertakers in respect of any apparatus of theirs which immediately before the date on which this Act is passed is under, in, on, over, along or across that highway; or
(b)of any sewerage undertakers in respect of any sewers or sewage disposal works of theirs which immediately before that date are under, in, on, over, along or across that highway.