9U.K.The construction by the Secretary of State of a highway in pursuance of this Part of this Act shall be treated as the construction of a highway authorised by, and in pursuance of—
(a)a scheme under section 16 of the Highways Act 1980, in the case of the highways to which paragraph 6 above applies,
(b)section 24(1) of that Act, in the case of the highways to which paragraph 7 above applies, and
(c)an order under section 14 of that Act made in relation to the highways to which paragraph 7 above applies, in any other case.