10.—(1) Each part of the authorised development must not commence until written details of the siting, design and layout (including visibility splays and surfacing) of any new or modified permanent or temporary means of access to a highway to be used by vehicular traffic, or any alteration to an existing means of access to a highway used by vehicular traffic, for that part have been submitted to and, after consultation with the relevant highway authorities, approved by the planning authority.
(2) The authorised development must not be brought into commercial use until all highway accesses have been constructed.
(3) The highway accesses must be constructed in accordance with the relevant approved details.