| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | |
|---|---|---|---|---|---|---|
|
Maximum permissible speed Smyllum to Muirkirk 60 m.p.h. Maximum permissible speed Muirkirk to Auchinleck 45 m.p.h. |
||||||
| 1 | ↕ | Smyllum West Junction | - | |||
| 2 | ↕ | Racecourse | 0m 924yds | CL 37 | ||
| Sandilands | ||||||
| 3 | ↕ | Ponfeigh Station | 4m 770yds | CL 30* | * Goods loop worked in both directions | |
| 4 | ↕ | Happendon | 2m 132yds | CL 25 | ||
| 5 | ↕ | Douglas West Station | 3m 308yds | CL 26 | ||
| 6 | ↕ | Inches | 3m 132yds | CL 24 | ||
| 7 | ↕ | Muirkirk Station | 6m 379yds | CL 53 | ||
| 8 | ↕ | Cronberry Junction | 6m 916yds | CL 54 | ||
| 9 | ↕ | Auchinleck Junction | 3m 1413yds | |||
| 1 | Smyllum East Junction | - | ||||
| 2 | Racecourse | 0m 927yds | ||||