4. Closure of portion of railway and public road
(1) After a date to be fixed by proclamation, which date shall not be earlier than the date of the construction of the deviation railway and the deviation road referred to in clause 3(1) of the agreement ¾
(a) so much of the railway made under the Coogee-Kwinana Railway Act 1952, as is necessary to give effect to the agreement, shall cease to operate;
(b) so much of the public road known as the Perth-Naval Base Road, as is necessary to give effect to the agreement, shall be closed and all rights of way over it shall cease.
(2) The proclamation referred to in subsection (1) shall set out ¾
(a) the portion of the line of railway; and
(b) the portion of the public road,
that shall be closed pursuant to this section.