Subject to subsection (3) below, a council shall not—
exercise any power conferred by section 115B or 115C above; or
grant any permission under section 115E above, in relation to a highway unless they have consulted—
any authority other than themselves who are the highway authority for the highway; and
any authority other than themselves who are a local planning authority, as defined in the Town and Country Planning Act 1990 for the area in which, as the case may be, they propose to exercise the power or to which the proposed permission would relate.
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Subsection (1) above shall have effect in relation to a highway—
to which this Part of this Act applies; and
in relation to which there is no pedestrian planning order in force, as if the requirement to consult the highway authority were a requirement to obtain their consent to the exercise of the power or the granting of the permission.
Where a highway to which this Part of this Act applies is maintained by the British Railways Board or Transport for London or any of its subsidiaries (within the meaning of the Greater London Authority Act 1999), a council shall not exercise any power conferred by section 115B or 115C above or grant a permission in relation to it under section 115E above except with the consent of the Board or, as the case may be, Transport for London or that subsidiary of Transport for London .