1Authority to construct works
(1)The authorised undertaker is hereby authorised to construct the authorised works, namely—
(a)the railway works referred to in section 2 below (“the railway works”); and
(b)the ancillary works referred to in section 3 below (“the ancillary works”).
(2)The extent of the works for which authority is given by this section is subject to section 4 below (which permits deviation within limits from the lines and levels shown on the Parliamentary plans and sections).
(3)If the authorised undertaker commences construction of the authorised works it shall construct the whole of the railway comprising the railway works (including all the stations) referred to in schedule 1 to this Act.