Part II Traffic In London
Local plans and trunk road local plans
57 Implementation of local plans.
(1)
Where the Director has approved a London authority’s local plan, or has himself prepared a local plan on behalf of a London authority under section 61 of this Act, it shall be the duty of that authority to—
(a)
implement the plan as soon as is reasonably practicable; and
(b)
continue to act in a manner which is compatible with it.
(2)
Every London authority shall provide the Director with such information, in such form and manner, as he may reasonably require with respect to the implementation or otherwise of their local plan.
(3)
Where a London authority’s local plan has effect in relation to a trunk road, by virtue of section 54(5) of this Act, the duty imposed by subsection (1) above shall apply in relation to the plan so far as it has that effect only if the Director, with the consent of the Secretary of State, gives a direction to that effect.