| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Sermington Aqueduct | 4.05 km | 147.8° | Next, R=5.00 km, Angle=90.0° |
| Welford | 51.75 km | 76.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Northampton South | 88.64 km | 23.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Chieveley | 86.38 km | 199.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Keevil Finish East | 57.35 km | 255.0° | Line 2.00 km (Radius 1.00 km) |
| Total: | 284.11 km | ||