Calibration Certificates (northbound)
| Offence Date | Certificate Number | Certificate |
| 27/03/2026 - 26/03/2027 | CV10104206 | M1 North 2026 |
| 19/09/2025 - 26/03/2026 | CV10104111 | M1 North 2025_2 |
| 06/02/2025 - 18/09/2025 | CV10103980 | M1 North 2025 |
Calibration Certificates (southbound)
| Offence Date | Certificate Number | Certificate |
| 19/09/2025 - 18/09/2026 | CV10104112 | M1 South 2025 |
| 01/08/2024 - 24/07/2025 Temporary roadworks average speed | M1 South roadworks 2024 | |
| 23/02/2024 - 22/02/2025 | CV10103808 | M1 South 2024 |
| 08/12/2023 - 07/12/2024 | CV10103762 | M1 South 2023_2 |