| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| 1 | - | ↓ | Heath Junction | - | |||
| ↑ | ↓ | Heath Halt L.L. | |||||
| 2 | ↑ | ↓ | Birchgrove | 1m 319yds | |||
| ↑ | ↓ | Birchgrove Halt | |||||
| ↑ | ↓ | Rhiwbina Halt | |||||
| 3 | ↑ | ↕ | Whitchurch | 0m 1749yds | |||
| ↕ | Coryton Halt | ||||||