A1(M) | Cambridgeshire | Carriageway Closure | Expect Delays

Incident timeline

1. 02:47, 6 JulFirst report

   The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

2. 02:55, 6 JulUpdate

   The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

3. 03:25, 6 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 38 minutes. Monitoring continues.

4. 03:30, 6 JulUpdate

   The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

5. 04:00, 6 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 13m. Monitoring continues.

6. 04:05, 6 JulUpdate

   The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

7. 04:35, 6 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 48m. Monitoring continues.

8. 04:40, 6 JulUpdate

   The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

9. 05:10, 6 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 23m. Monitoring continues.

10. 05:15, 6 JulUpdate

    The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

11. 05:45, 6 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 58m. Monitoring continues.

12. 05:50, 6 JulUpdate

    The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

13. 06:20, 6 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 33m. Monitoring continues.

14. 06:25, 6 JulUpdate

    The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

15. 06:55, 6 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 8m. Monitoring continues.

16. 07:00, 6 JulUpdate

    The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

17. 07:30, 6 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 43m. Monitoring continues.

18. 07:31, 6 JulUpdate

    ✅ Incident cleared — A1 reopened at 07:31 on 6 Jul 2026. Total disruption: 4h 44m. All lanes open, traffic returning to normal.

19. 22:01, 6 NovFinal update

    The A1M in Cambridgeshire is closed southbound between J17 (Peterborough) and J16 (Yaxley) and due to a road traffic collision.

Wording from National Highways, recorded as it changed.

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