Street works
11.—(1) The undertaker may with the prior agreement of the relevant street authority (such agreement not to be unreasonably withheld), for the purposes of the authorised development, enter on so much of any of the streets specified in Schedule 3 (streets subject to street works) as is within the Order limits and may—
(a)break up or open the street, or any sewer, drain or tunnel under it;
(b)tunnel or bore under the street;
(c)place apparatus in the street;
(d)maintain apparatus in the street or change its position;
(e)construct and maintain the bridges and tunnels referred to in Works Nos 1, 2 and 3; and
(f)execute any works required for or incidental to any works referred to in sub-paragraphs (a), (b), (c), (d) and (e) .
(2) The prior agreement of the relevant street authority required under sub-paragraph (1) is not required where the street works are carried out under an agreement entered into under section 278 of the 1980 Act (1).
Section 278 was substituted by section 23 of the 1991 Act (c. 22).