in subsection (1), at the end of paragraph (c) insert “or” and after that paragraph insert—

“(d)

a trunk road picnic area as respects which functions of the Minister stand delegated to the local authority under section 113(1) of the Highways Act 1980, or are functions of the local authority by virtue of an agreement under section 113(3) of that Act,”;

after subsection (1) insert—

“(1A)

The power of a local authority under subsection (1)(d) above is exercisable only in so far as any conditions attached to the relevant delegation or, as the case may be, included in the relevant agreement do not otherwise provide.”.