/ /1825 | Rumney Railway Incorporated. |
/ /1826 | Rumney Railway Opened from Rhymney Iron Works to the Monmouthshire Canal Tramway at Park Mile, south of Bassaleg. Gauge of 4 feet 2 inches. Engineer; George Overton. |
01/08/1861 | Rumney Railway Act passed to convert tramroad into a railway and modify levels and for a branch from Machen to the Rhymney Railway at Caerphilly. |
/ /1864 | Rumney Railway Machen to Caerphilly partly opened. Rest of route opened as Caerphilly Branch (Brecon and Merthyr Railway). |
/ /1865 | Rumney Railway, Brecon and Merthyr Railway Rumney Railway purchased by the Brecon and Merthyr Railway. |
01/11/1868 | Deri Branch (Rhymney Railway) Line opened from Bargoed North Junction to Deri. The Brecon and Merthyr Railway had running powers of this from Deri to the main line of the Rhymney Railway and from there to the junction with a spur from the Rumney Railway. |
/ /1905 | Barry Dock and Railways Connection made to the Rumney Railway at Barry Junction near Bedwas. |
02/01/1905 | Rhymney Valley Branch (Barry Dock and Railways) Line extended from Penrhos Lower Junction to Barry Junction on the Rumney Railway of the Brecon and Merthyr Railway opened. Penyrheol Viaduct and Llanbradach Viaduct on the line opened. |
09/10/1928 | Rumney Railway Crash between passenger train and colliers train during single line working following a landslip. A passenger was killed. |
/ /1929 | Barry Dock and Railways, Rumney Railway Barry Junction renamed Duffryn Isaf. |
/04/1930 | Rumney Railway Landslip closes line north of New Tredegar. |
14/04/1930 | Rumney Railway New Tredegar (excluded) to McLarens Colliery (excluded and also served by the Rhymney Railway) closed. |
01/03/1933 | Rumney Railway McLarens Colliery (excluded) to Rhymney Pontlottyn closed. |
/ /1934 | Rumney Railway Singling of the line undertaken, progressing southwards from New Tredegar. |
31/12/1962 | Rumney Railway Closed to passengers. |
31/12/1962 | Rumney Railway Bedwas to Rhymney closed. |
31/12/1962 | Rumney Railway Line closed to passengers and goods. |
/08/1971 | Rumney Railway Britannia Colliery (excluded, and south of Bargoed) to Bedwas Colliery (excluded) closed. |
09/01/1977 | Rumney Railway Bargoed to Britannia Colliery closed, coal worked by the National Coal Board over their private line to Bargoed Washery connected to the Rhymney Railway at Bargoed Pits Junction. |
This line is divided into a number of portions.