Paragraph 4
Section 243 of the Highways Act 1959 so far as the purposes in question are the purposes of the exercise—
(a)
by a county council in relation to county roads maintained by that council; or
(b)
by the Greater London Council in relation to any road for the time being designated by or under section 17 of the 1963 c. 33.London Government Act 1963 as a metropolitan road,
of their powers under section 72(1), (2), (5) and (8) to (10) or section 217 of the said Act of 1959.