(1)During and for the purposes of the execution of the authorised works the authorised undertaker may temporarily stop up, alter or divert any road and may for any reasonable time—
(a)divert the traffic from the road; and
(b)subject to subsection (3), prevent all persons from passing along the road.
(2)Without prejudice to the generality of subsection (1), the authorised undertaker may exercise the powers of this section in relation to each of the roads specified in columns (1) and (2) of Part 2 of schedule 3 to this Act to the extent specified (by reference to the letters and numbers shown on the relevant Parliamentary plans) in column (3) of that Part.
(3)Without prejudice to the generality of subsection (1), the authorised undertaker may use any road stopped up under the powers of this section as a temporary working site.
(4)The authorised undertaker shall provide reasonable access for pedestrians going to or from premises abutting on a road affected by the exercise of the powers conferred by this section if there would otherwise be no such access.
(5)The authorised undertaker shall not exercise the powers conferred by this section—
(a)in relation to any road specified as mentioned in subsection (2), without first consulting the road works authority; and
(b)in relation to any other road, without the consent of the road works authority.
(6)Consent under subsection (5)(b) shall not be unreasonably withheld or delayed but may be given subject to such reasonable conditions as the road works authority may require.
(7)Any question whether—
(a)consent under subsection (5)(b) has been unreasonably withheld or delayed; or
(b)a condition imposed under subsection (6) is unreasonable,
shall, unless the parties otherwise agree, be determined by arbitration.