Transport Act 1981

5 (1) The Secretary of State may, with the consent of the local highway authority for he highway concerned, construct road humps in a highway for which he is not the highway authority if—

(a) the highway is subject to a statutory peed limit for motor vehicles of 30 miles per hour or less; or

(b) the road humps are specially authorised by him,

and may maintain and remove any road humps so constructed by him.

(2) The Secretary of State and the local highway authority may enter into an agreement for the carrying out by the local highway authority of any works which the Secretary of State has power to carry out under this paragraph.

(3) Subject to sub-paragraph (4), the consent of the Secretary of State is required before the local highway authority may remove or otherwise interfere with a road hump constructed under this paragraph.

(4) If the Secretary of State so directs with the consent of the local highway authority, the local highway authority shall have the same powers in relation to a road hump constructed under this paragraph as they have in relation to a road hump constructed by them under paragraph 4.

(5) Where a road hump has been constructed under this paragraph, the local highway authority may reimburse the Secretary of State the whole or part of his expenses in relation to the road hump.