| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
| Maximum permissible speed 45 m.p.h. | |||||||
| 1 | – | ↓ | Mauchline No. 2 | – | |||
| 2 | ↕↑ | ↓ | Mauchline No. 1 | 0m 445yds | |||
| 3 | ↑ | ↓ | Tarbolton Station | 4m 238yds | |||
| 4 | ↑ | ↓ | Annbank No. 1 | 2m 632yds | |||
| 5 | ↑ | ↓ | Mossblown Junction | 0m 1188yds | |||
| 6 | ↑ | ↓ | Blackhouse Junction | 3m 264yds | |||
| 7 | ↑ | ↓ | Hawkhill Junction | 0m 418yds | |||
| 1 | Blackhouse Junction | – | |||||
| 2 | Newton Junction | 0m 436yds | |||||