The Belfast–Newry line operates from Lanyon Place station in County Antrim to Newry in County Down, Northern Ireland. The manager for this line is based at Portadown railway station, although the line extends to the border to include the Scarva and Poyntzpass halts and Newry. Newry is on the fringe of the network, being the last stop before the border with the Republic of Ireland. The line follows the route of the northern half of the main Dublin–Belfast line, with the exception of calling at Belfast Great Victoria Street.

Belfast Lanyon Place is a railway station serving the city of Belfast in Northern Ireland. Located on Bridge Street in the Laganside area of central Belfast, it is one of four stations in the city centre, the others being Great Victoria Street, City Hospital and Botanic. Lanyon Place is the northern terminus of the cross-border Enterprise service to Dublin Connolly. It is also served by Northern Ireland Railways, which operates routes to other locations in Northern Ireland, including Derry, Bangor, Portadown and Larne.