North Northamptonshire is an English Unitary Authority. It was created in April 2021.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2021 | 2,042,800,000 | 1,491,300,000 | 1,267.8 miles (2,040.3 km) |
| 2022 | 2,174,100,000 | 1,618,300,000 | 1,167.5 miles (1,878.9 km) |
| 2023 | 2,253,900,000 | 1,699,800,000 | 1,173.1 miles (1,887.9 km) |