16.—(1) No part of numbered works 1, 2 and 3 of the authorised development is to commence until a construction worker travel plan has, for that part, after consultation with National Highways and the highway authority, been submitted to and approved by the relevant planning authority.
(2) The plan submitted and approved pursuant to sub-paragraph (1) must be substantially in accordance with the relevant part of the framework construction worker travel plan.
(3) The plan must be implemented and maintained as approved throughout the construction of the authorised development.