| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 |
 |
– | ↓ | Moreton-on-Lugg Station | – | ||
| 2 | ↑ | ↓ | Shelwick Junction | 2m 1213yds | |||
| 3 | ↑ | ↓↓ | Barrs Court Junction | 0m 1691yds | |||
| 4 | ↑↑ | ↓↓ | Brecon Curve Junction | 0m 578yds | |||
| 5 | ↑↑ | ↓↓↓↕ | Barrs Court Station | 0m 616yds | |||
| Hereford Barrs Court | |||||||
| 6 | ↑↑↑↑ | ↓ | Ayleston Hill | 0m 396yds | |||
| 7 | ↑ | ↓ | Rotherwas Junction | 1m 242yds | |||
| 8 | ↑ | ↓ | Red Hill Junction | 2m 66yds | |||
| 9 | ↑ | ↓ | Tram Inn | 3m 445yds | DGL 63 | ||
| 10 | ↑ | ↓ | Pontrilas | 5m 1342yds | DGL 65 UGL 65 |
||
| 11 | ↑ | ↓ | Pandy | 5m 264yds | U&DL 61 | ||
| 12 | ↑ | ↓ | Llanvihangel | 2m 726yds | DRS 56 URS 48 |
||
| 13 | ↑ | ↓ | Abergavenny Junction | 3m 132yds | |||
| 14 | ↑ | ↓ | Abergavenny Monmouth Road Station | 1m 132yds | Back Plat Line 44 DGL 93 UGL 53 |
||
| 15 | ↑ | ↓ | Penpergwm | 2m 814yds | |||
| 16 | ↑ | ↓ | Nantyderry | 2m 1276yds | |||
| 17 | ↑ | ↓ | Little Mill Junction | 2m 946yds | |||
| 18 | ↑ | ↓↓↓ | Pontypool Road Station North | 1m 627yds | |||
| Pontypool Road | |||||||
| 19 | ↑↑↑ | ↓↓ | Pontypool Road Station South | 0m 858yds | |||
| 20 | ↑↑ | ↓ | Pontypool Road East Junction | 9m 418yds | |||
| 21 | ↑ | ↓ | Panteg Junction | 1m 16yds | |||
| 22 | ↑ | ↓ | Lower Pontnewydd | 1m 214yds | |||
| 23 | ↑ | ↓ | Llantarnam Junction | 1m 808yds | DGL 85 UGL 66 |
||
| Llantarnam | |||||||
| 24 | ↑ | ↓ | Ponthir | 1m 1265yds | |||
| 25 | ↑ | ↓ | Caerleon | 1m 1012yds | |||
| 26 | ↑ | ↓ | Maindee Junction North | 1m 1386yds | DGL 83 | ||
| 27 | ↑↑ | – | Newport East | 0m 1078yds | |||