10.—(1) No part of the authorised development comprising the construction, alteration or improvement of Work No. 1 is to commence until a traffic management plan substantially in accordance with the outline traffic management plan, for that part has been submitted to and approved in writing by the Secretary of State, following consultation by the undertaker with the relevant highway authority on matters related to its function.
(2) The authorised development must be implemented in accordance with the traffic management plan referred to in sub-paragraph (1).