| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 | ↕ | Blaenavon L.L. | - | CL 16 | |||
| Cwmavon Halt | |||||||
| 2 | ↕ | ↓ | Cwmffrwd Junction | 3m 214yds | |||
| Cwmffrwd Halt | |||||||
| Abersychan Low Level | |||||||
| Pontnewynydd | |||||||
| 3 | ↑ | ↓ | Pontnewynydd Junction | 1m 1215yds | |||
| 4 | ↑↑ | ↓ | Trevethin Junction | 0m 600yds | |||
| 5 | ↑ | ↓ | Pontypool Crane Street | 0m 561yds | |||
| 6 | ↑ | ↓ | Trosnant Junction | 0m 577yds | |||
| Blaendare Road Halt | |||||||
| 7 | ↑ | ↓ | Panteg & Coedygric Junction | 1m 308yds | DGL 109 | ||
| Panteg & Griffithstown | |||||||
| Sebastopol | |||||||
| Pontrtdyrum Halt | |||||||
| 8 | ↑ | ↓↓ | Upper Pontnewydd Station | 1m 1452yds | |||
| 9 | ↑ | ↓ | Cwmbran Sidings | 0m 940yds | |||
| 10 | ↑ | ↓ | Cwmbran Junction | 0m 435yds | |||
| 11 | ↑ | ↓ | Oakfield Sidings | 0m 478yds | |||
| 12 | ↑ | ↓ | Crindau Sidings | 3m 484yds | |||
| 13 | ↑ | ↓ | Mill Street North | 0m 968yds | |||
| 14 | ↑ | ↓ | Mill Street South | 0m 396yds | |||
| 15 | ↑ | ↓ | Moderator Sidings | 0m 627yds | |||
| 16 | ↑ | ↓ | Cross Street Crossing | 0m 473yds | |||
| 17 | ↑ | - | Dock Street | 0m 588yds | Down Avoiding 7 Up avoiding 7 |
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