| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 | - | ↓ | Brynmawr No. 1 | - | |||
| Brynmawr | |||||||
| 2 | ↑ | ↕ | Brynmawr No. 2 | 0m 561yds | |||
| 3 | ↕ | ↓ | Nantyglo Station | 1m 566yds | |||
| 4 | ↑ | ↕ | Coalbrookvale | 0m 308yds | |||
| 5 | ↕ | ↓ | Yew Tree Crossing | 0m 1721yds | |||
| 6 | ↑ | ↓ | Blaina Station | 0m 264yds | |||
| Bournville (Mon.) Halt | |||||||
| 7 | ↑ | ↓ | Rose Heyworth | 1m 1012yds | DGL 45 | ||
| 8 | ↑ | ↓ | Abertillery Junction | 1m 192yds | |||
| 9 | ↑ | ↓ | Tinworks Junction | 0m 401yds | |||
| 10 | ↑ | ↓↓ | Cwmnantygroes | 0m 638yds | |||
| Six Bells Halt | |||||||
| 11 | ↑↑ | ↓ | Six Bells Colliery Siding | 0m 1210yds | |||
| 12 | ↑ | ↓↓ | Aberbeeg Junction | 0m 946yds | |||
| 13 | ↑↑ | ↓↓ | Aberbeeg South | 0m 594yds | |||
| 14 | ↑↑ | ↓↓ | Llanhilleth North | 0m 1144yds | |||
| 15 | ↑↑ | ↓↓ | Llanhilleth Middle | 0m 660yds | |||
| 16 | ↑↑ | ↓ | Llanhilleth South | 0m 473yds | |||
| 17 | ↑ | ↓↓ | Crumlin Low Level South | 1m 242yds | |||
| Celynen North Halt | |||||||
| 18 | ↑↑ | ↓ | Newbridge Station | 0m 1694yds | |||
| Newbridge | |||||||
| 19 | ↑ | ↓ | Celynen | 0m 814yds | |||
| Celynen South Halt | |||||||
| 20 | ↑ | ↓ | Abercarn Station | 0m 951yds | |||
| Abercarn | |||||||
| 21 | ↑ | ↓↓ | Abercarn Loop | 0m 737yds | |||
| 22 | ↑↑ | ↓ | Abercarn Colliery Junction | 0m 748yds | |||
| Cwmcarn | |||||||
| Cross Keys | |||||||
| 23 | ↑ | ↓↓ | Halls Road Junction | 1m 1727yds | |||
| 24 | ↑ | ↓ | Lime Kiln Sidings | 0m 924yds | |||
| 25 | ↑ | ↓↓ | Risca Junction | 0m 924yds | |||
| Risca | |||||||
| 26 | ↑↑ | ↓↓ | Pontymister North | 0m 478yds | |||
| 27 | ↑↑ | ↓↓ | Pontymister South | 0m 572yds | |||
| Tynycwm Halt | |||||||
| 28 | ↑↑ | ↓↓ | Rogerstone North | 1m 374yds | |||
| Rogerstone | |||||||
| 39 | ↑↑ | ↓↓↓↓ | Rogerstone Middle | 0m 1078yds | |||
| 30 | ↑↑↑ | ↓↓ | Rogerstone South | 0m 990yds | |||
| Bassaleg Junction | |||||||
| 31 | ↑↑ | ↓↓↓ | Bassaleg Junction | 0m 990yds | |||
| 32 | ↑↑↑ | ↓ | Park Junction | 1m 297yds | DGL 62 | ||
| 33 | ↑ | - | Gaer Junction | 0m 1364yds | |||