The Dublin Suburban Rail network, branded as Commuter, is a railway network that serves the city of Dublin, Ireland, most of the Greater Dublin Area and outlying towns. The system is made up of five lines:Northern Commuter - Dublin Pearse to Dundalk every weekday. South Eastern Commuter - Dublin Connolly to Gorey. South Western Commuter - Dublin Heuston to Portlaoise/Newbridge. Grand Canal Dock to Hazelhatch and Celbridge/Newbridge via the Phoenix Park Tunnel. Western Commuter - Dublin Pearse / Docklands to Longford/M3 Parkway.

Newry railway station serves Newry and Bessbrook in Northern Ireland. The station is located in the northwest of Newry, County Armagh on the Dublin-Belfast line close to the Craigmore Viaduct. It is the most southerly railway station in Northern Ireland.