| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 | – | ↓↓ | Court Sart Junction | – | |||
| 2 | ↑↑ | ↓ | Neath Junction & S.B. | 0m 935yds | |||
| 3 | ↑ | ↓ | Dynevor Junction | 0m 1402yds | |||
| 4 | ↑ | ↓ | Jersey Marine Junction | 0m 764yds | |||
| Llandarcy Halt | |||||||
| 5 | ↑ | ↓ | Llandarcy | 0m 1265yds | |||
| 6 | ↑ | ↓ | Lonlas Junction | 0m 996yds | |||
| Felin Fran Halt | |||||||
| 7 | ↑ | ↓↓ | Felin Fran East | 1m 462yds | |||
| 8 | ↑↑ | ↓ | Felin Fran West | 0m 1050yds | |||
| 9 | ↑ | ↓ | Llangyfelach Station | 2m 1749yds | |||
| 10 | ↑ | ↓ | Pontlliw Station | 2m 358yds | |||
| 11 | ↑ | ↓ | Graig Merthyr Colliery Siding | 0m 1480yds | |||
| 12 | ↑ | ↓ | Grovesend Colliery Loop | 0m 902yds | |||
| 13 | ↑ | – | Morlais Junction | 1m 495yds | |||