Calibration Certificates (northbound)
| Offence Date | Certificate Number | Certificate |
| 22/12/2022 - 21/12/2023 | CV10103550 | M1 North 2022_2 |
| 16/03/2022 - 21/12/2022 | CV10103381 | M1 North 2022 |
| 07/05/2021 - 15/03/2022 | CV10103218 | M1 North 2021 |
Calibration Certificates (southbound)
| Offence Date | Certificate Number | Certificate |
| 18/01/2023 - 17/01/2024 | CV10103557 | M1 South 2023 |
| 06/05/2022 - 17/01/2023 | CV10103418 | M1 South 2022 |
| 07/05/2021 - 05/05/2022 | CV10103220 | M1 South 2021 |
| 08/06/2020 - 06/05/2021 | CV10103055 | M1 South 2020 |