| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | |
|---|---|---|---|---|---|---|
| Maximum permissible speed 40 m.p.h. | ||||||
| 1 | ↕ | Willoughby Station | – | |||
| 2 | ↕ | Mumby Road Station | 3m 107yds | CL 32 | ||
| 3 | ↕ | Sutton-on-Sea Station | 4m 58yds | CL 29 | ||
| 4 | ↕ | Mablethorpe Station | 2m 1283yds | CL 32 | ||
| Theddlestone Station | ||||||
| 5 | ↕ | Saltfleetby Station | 5m 64yds | |||
| 6 | ↕ | Grimoldby Station | 3m 932yds | |||
| 7 | ↕ | Mablethorpe Junction | 3m 602yds | |||