16.—(1) A street authority and the undertaker may enter into agreements with respect to—
(a)the construction of any new street (including any structure carrying the street over or under the authorised development) authorised by this Order;
(b)the maintenance of the structure of any bridge or tunnel carrying a street over or under the authorised development;
(c)any stopping up, alternation or diversion of a street authorised by this Order; or
(d)the execution in any street referred to in article 13 (street works) of any of the works referred to in that article.
(2) Such an agreement may, without limiting paragraph (1),—
(a)provide for the street authority to carry out any function under this Order that relates to the street in question;
(b)include an agreement between the undertaker and street authority specifying a reasonable time for the completion of the works; and
(c)contain such terms as to payment and otherwise as the parties consider appropriate.