Rhymney and Nantybwch Joint Line (London and North Western Railway, South Wales and Rhymney Railway)
Dates
| 02/10/1871 | Rhymney and Nantybwch Joint Line (London and North Western Railway, South Wales and Rhymney Railway) Joint line from Rhymney to Nantybwch opened to public traffic. The London and North Western Railway diverts all of its Cardiff bound traffic to the Rhymney Railway route. |
