01/11/1868 | Extension to Rumney Railway (Brecon and Merthyr Railway) Northern section opened from Pant to Deri. The Rhymney Railway had running powers from Deri to Fochriew and Pantywaun for freight and had a connection from Fochriew to the Taff Bargoed Joint Line. |
31/12/1962 | Deri Branch (Rhymney Railway), Extension to Rumney Railway (Brecon and Merthyr Railway) Line closed to passengers. |
23/08/1965 | Deri Branch (Rhymney Railway), Extension to Rumney Railway (Brecon and Merthyr Railway) Line closed to freight. |
This line is divided into a number of portions.