| / /1846 | Newry, Warrenpoint and Rostrevor Railway
Incorporated. |
| / /1849 | Newry, Warrenpoint and Rostrevor Railway
Opened from Newry Kilmorey Street to Warrenpoint [1st]. |
| / /1857 | Town of Newry Connecting Railway
Incorporated to connect the Newry, Warrenpoint and Rostrevor Railway (near Newry Kilmorey Street) to the Newry and Enniskillen Railway (at Newry Edward Street), at the latter using a short portion of upgraded Newry Albert Basin line. |
| / /1861 | Town of Newry Connecting Railway
Opened from beside Newry Kilmorey Street to Newry Dublin Bridge, immediately used by the Newry, Warrenpoint and Rostrevor Railway to replace Newry Kilmorey Street (which briefly reopened while the lines came to terms). |
| /07/1877 | Warrenpoint and Rostrevor Tramway Co
Extended the Newry, Warrenpoint and Rostrevor Railway from Warrenpoint [1st] to Rostrevor with a 3ft horse tramway alongside the road. |
| / /1886 | Newry, Warrenpoint and Rostrevor Railway
Absorbed by Great Northern Railway [Ireland]. |
| / /1907 | Town of Newry Connecting Railway
Two single track parallel lines converted into double track southwards from Newry Edward Street to King Street Junction (point of division between the line to the Newry, Warrenpoint and Rostrevor Railway and Dundalk, Newry and Greenore Railway). |
