SCHEDULE 2Permitted development rights
PART 9Development relating to roads
Class A – development by highways authorities
Permitted development
A.
The carrying out by a highway authority—
(a)
on land within the boundaries of a road, of any works required for the maintenance or improvement of the road, where such works involve development by virtue of section 55(2)(b) M1 of the Act; or
(b)
on land outside but adjoining the boundary of an existing highway of works required for or incidental to the maintenance or improvement of the highway.