M1 | Bedfordshire | Carriageway Closure | Expect Delays

Incident timeline

1. 21:02, 28 JulFirst report

   The M1 is closed southbound between Junction 12 (Toddington) and Junction 11 (Luton) due to a collision.

2. 21:10, 28 JulUpdate

   The M1 is closed southbound between Junction 12 (Toddington) and Junction 11 (Luton) due to a collision.

3. 21:40, 28 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 37 minutes. Monitoring continues.

4. 21:45, 28 JulUpdate

   The M1 is closed southbound between Junction 12 (Toddington) and Junction 11 (Luton) due to a collision.

5. 22:05, 28 JulUpdate

   The M1 is closed southbound between Junction 12 (Toddington) and Junction 11 (Luton) due to a collision involving multiple vehicles.

6. 22:35, 28 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 32m. Monitoring continues.

7. 22:40, 28 JulUpdate

   The M1 is closed southbound between Junction 12 (Toddington) and Junction 11 (Luton) due to a collision involving multiple vehicles.

8. 23:15, 28 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 12m. Monitoring continues.

9. 23:20, 28 JulUpdate

   The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

10. 23:50, 28 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 47m. Monitoring continues.

11. 23:55, 28 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

12. 00:30, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 27m. Monitoring continues.

13. 00:35, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

14. 01:10, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 7m. Monitoring continues.

15. 01:15, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

16. 01:45, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 42m. Monitoring continues.

17. 01:50, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

18. 02:20, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 17m. Monitoring continues.

19. 02:25, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

20. 02:55, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 52m. Monitoring continues.

21. 03:00, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

22. 03:35, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 32m. Monitoring continues.

23. 03:40, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles.

24. 04:00, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles which occurred yesterday evening.

25. 04:35, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 32m. Monitoring continues.

26. 04:40, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles which occurred yesterday evening.

27. 05:15, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 12m. Monitoring continues.

28. 05:20, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles which occurred yesterday evening.

29. 05:55, 29 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 52m. Monitoring continues.

30. 06:00, 29 JulUpdate

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles which occurred yesterday evening.

31. 06:30, 29 JulUpdate

    ✅ Incident cleared — M1 reopened at 06:30 on 29 Jul 2026. Total disruption: 9h 27m. All lanes open, traffic returning to normal.

32. 09:21, 6 NovFinal update

    The M1 is closed southbound between Junction 11A (Chalton) and Junction 11 (Luton) due to a collision involving multiple vehicles which occurred yesterday evening.

Wording from National Highways, recorded as it changed.

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