| 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 South Junction | – | |||
| 2* | ↑ | ↓ | Panteg & Coedygric Junction | 0m 500yds | * Block post for down line only | ||
| 3 | ↑ | – | Panteg Junction | 0m 1562yds | |||