| Section of Line | Opened | Closed | Notes |
|---|---|---|---|
| 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 75 m.p.h. | |||||||
| 1 | - | ↓ | Bisworth Station | - | |||
| 2 | ↑ | ↓ | Rothersthorpe Crossing | 2m 628yds | |||
| 3 | ↑ | ↓ | Duston Sidings | 0m 1554yds | |||
| 4 | ↑ | ↓ | Duston West | 0m 1282yds | |||
| 5 | ↑ | ↓ | Duston Jn. North | 0m 606yds | |||
| 6 | ↑ | - | Northampton Castle no. 1 | 0m 558yds | |||