(1)Any highway, or portion thereof, made, diverted or altered under this Act shall, when completed, unless otherwise agreed, be maintained by and at the expense of the Executive for a period of 12 months from its completion and at the expiration of that period shall be maintained by and at the expense of the highway authority.
(2)The Executive shall not, by reason of the obligation to maintain any highway under subsection (1) above, be taken to be the street authority in relation to that highway for the purposes of Part III of the Act of 1991.