| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 | - | ↓ | Cadoxton South | - | |||
| 2 | ↑ | ↓ | Cadoxton North | 0m 792yds | |||
| 3 | ↑ | ↓ | Wenvoe | 2m 137yds | UGL 43 DGL 48 |
||
| 4 | ↑ | ↓ | Drope Junction | 2m 391yds | |||
| 5 | ↑ | ↓ | Tynycaeau Junction | 0m 1584yds | DGL 83 URS 78 |
||
| 6 | ↑ | ↓ | Creigiau | 4m 220yds | DGL 40 DGL 32 URS 56 |
||
| 7 | ↑ | ↓ | Efail Isaf | 2m 748yds | UPL 50 DPL 56 |
||
| 8 | ↑ | ↓ | Tonteg Junction | 1m 242yds | |||
| 9 | ↑ | - | Treforest Junction | 1m 1243yds | |||