| Section of Line | Opened | Closed | Notes |
|---|---|---|---|
| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | |
|---|---|---|---|---|---|---|
| Cardiff, Bute Road | ||||||
| Bute Street | ||||||
| Cardiff Queen St. South | ||||||
| Cardiff Queen St. | ||||||
| Crockherbtown | ||||||
| Maindy Bridge | ||||||
| Maindy Fuel | ||||||
| Roath Branch Jn. | ||||||
| Llandaff | ||||||
| Llandaff Loop Jn. | ||||||
| Radyr Junction | ||||||
| Radyr | ||||||
| Pentyrch Crossing | ||||||
| Walnut Tree Jn. | ||||||
| Taffs Well | ||||||
| Taffs Well Siding | ||||||
| Treforest Estate Halt | ||||||
| Maesmawr | ||||||
| Treforest Junction | ||||||
| Treforest | ||||||
| P.C. & N. Jn. | ||||||
| Pontypridd | ||||||
| Pontypridd Jn. | ||||||
| Rhondda Cutting | ||||||
| Gyfeillon Lower | ||||||
| Gyfeillon Upper | ||||||
| Trehafod Junction | ||||||
| Trehafod | ||||||
| Eirw Branch | ||||||
| Rhondda Fach Jn. South | ||||||
| Porth | ||||||
| Rhondda Fach Jn. North | ||||||
| Naval Colliery Jn. | ||||||
| Dinas Rhondda | ||||||
| Tonypandy and Trealaw | ||||||
| Pwllyrhebog | ||||||
| Llwynypia | ||||||
| Gelli | ||||||
| Maendy | ||||||
| Ystrad | ||||||
| Cwmparc | ||||||
| Treorchy | ||||||
| Treherbert South | ||||||
| Treherbert | ||||||
| Treherbert North | ||||||
| Rhondda & Swansea Bay Junction | ||||||
| Blaenrhondda | ||||||
| Blaenycwm | ||||||