Northern Ireland has a frequent and punctual integrated bus/ train network run by one company. Translink. There are three main Translink services - Citybus, serving Belfast and suburbs; Ulsterbus, operating services to all parts of the region, to major cross-border destinations and across the channel; and Northern Ireland Railways (NIR), with four main lines - to Larne, Bangor, Londonderry/ Portrush, and Dublin - serving immediate stops and NIR Suburban stations.