| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 | – | ↓ | Pontypool Road West Junction | – | |||
| 2 | ↑ | ↓ | Pontypool Road South Junction | 0m 495yds | |||
| 3 | ↑ | – | Panteg & Coedygric Junction | 0m 500yds | |||