2.—(1) The lengths of road described in Part I of Schedule 1 shall become special road and trunk road and be part of the Belfast-Ballygawley-Londonderry-Land Frontier Trunk Road T3;
(2) The lengths of road described in Part II and the road and lengths of road described in Part III of Schedule 1 shall become trunk road and be part of the Belfast-Ballygawley-Londonderry-Land Frontier Trunk Road T3;
(3) The road and lengths of road described in Part IV of Schedule 1 shall cease to be trunk road.