| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 | - | ↓ | Neath Junction G.W. | - | UGL 47 | ||
| 2 | ↑ | ↓ | Neath & Brecon Junction | 0m 742yds | |||
| Neath Riverside Station | |||||||
| 3 | ↑ | ↓ | Cardonnel Junction | 2m 374yds | DGL 66 | ||
| 4 | ↑ | ↓↓ | Jersey Marine Junction South | 0m 1254yds | |||
| 5 | ↑ | ↓ | Pritchards Sidings | 2m 143yds | |||
| 6 | ↑↑ | ↓↕ | Burrows Sidings | 0m 946yds | |||
| 7 | ↑ | ↓ | Prince of Wales Dock Junction | 0m 726yds | |||
| 8 | ↑ | ↓ | Port Tennant Junction | 0m 1155yds | |||
| 9 | ↑ | ↓ | Swansea Eastern Depot | 0m 556yds | |||
| 10 | ↑ | - | Wind Street Junction | 0m 550yds | |||