11.—(1) Subject to the provisions of this article, the undertaker may, in connection with the carrying out of the authorised development, stop up each of the streets specified in column (2) of Schedule 3 (streets to be stopped up) to the extent specified.
(2) No street specified in column (2) of Schedule 3 (being a street to be stopped up for which a substitute is to be provided) may be wholly or partly stopped up under this article unless—
(a)the new street to be substituted for it for the passage of such traffic as could have used the street to be stopped up has been completed to the reasonable satisfaction of the street authority and is open for use between the commencement and termination points for the stopping up of the street; or
(b)the temporary alternative route, which is specified in column (4) of that Part of that Schedule, is first provided and subsequently maintained by the undertaker, to the reasonable satisfaction of the street authority, until the completion and opening of the new street in accordance with sub-paragraph (a).
(3) Where a street has been stopped up under this article—
(a)all rights of way over or along the street so stopped up are extinguished; and
(b)the undertaker may appropriate and use for the purposes of the authorised development so much of the site of the street as is bounded on both sides by land owned by the undertaker.
(4) Any person who suffers loss by the suspension or extinguishment of any private right of way under this article is entitled to compensation to be determined, in case of dispute, under Part 1 of the 1961 Act.
(5) This article is subject to article 31 (apparatus and rights of statutory undertakers in stopped-up streets).