M1-M2 Link (Belfast) Order (Northern Ireland) 2003
This Order provides that the new underpass to take the M1 (T3) motorway under A12 Broadway roundabout together with two new bridges and an embankment, five sections of improved M1 (T3) motorway carriageway, seven sections of improved slip road and a small section of A12 Westlink shall be special road subject to motorway traffic restrictions and be part of the Belfast-Ballygawley-Londonderry Trunk Road T3.