1(1)Subject to the provisions of this paragraph, the Secretary of State may, in connection with the construction of the works authorised by this Act, stop up—U.K.
(a)each of the highways or parts of highways specified, by reference to the letters and numbers shown on the deposited plans, in columns (1) and (2) of the following table, and
(b)any other bridleways or footpaths within the limits of deviation for the scheduled works.
(2)On his doing so, all rights of way over or along the highway or part so stopped up shall be extinguished.
(3)An existing highway or part of a highway specified in columns (1) and (2) of Part II of the following table shall not be stopped up under this paragraph until the Secretary of State is satisfied that the new highway to be substituted for it, which is specified in relation to it by reference to the letters shown on the deposited plans or by reference to scheduled works in column (3) of that Part of the table, has been completed and is open for public use.