| 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 |
 |
↕ | Saxmundham Junction | – | ||
| 2 | ↕ | Leiston Station | 3m 953yds | c. 12.07.1966 | ||
| Thorpeness Halt | c. 12.07.1966 | |||||
| 3 | — | ↕ | Aldeburgh Station | 4m 540yds | c. 12.07.1966 | |