10.—(1) Subject to paragraph (2), the undertaker may, for the purposes of constructing and maintaining the authorised development, alter the layout of any street within the Order limits and the layout of any street having a junction with such a street; and, without limitation on the scope of this paragraph, the undertaker may—
(a)increase the width of the carriageway of the street by reducing the width of any kerb, footpath, footway, cycle track or verge within the street;
(b)alter the level or increase the width of such kerb, footpath, footway, cycle track or verge;
(c)reduce the width of the carriageway of the street;
(d)make and maintain crossovers, sidings and passing places.
(2) The undertaker must restore to the reasonable satisfaction of the relevant street authority any street that has been temporarily altered under this article.
(3) The powers conferred by paragraph (1) are not to be exercised without the consent of the relevant street authority; but such consent must not be unreasonably withheld.