A12 | Essex | Road Closure | Long Delays 60 minutes

Incident timeline

1. 11:33, 10 AugFirst report

   The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

2. 13:55, 10 AugUpdate

   The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

3. 14:30, 10 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 57m. Delays of 60 minutes still recorded. Monitoring continues.

4. 14:35, 10 AugUpdate

   The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

5. 15:10, 10 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 37m. Delays of 60 minutes still recorded. Monitoring continues.

6. 15:15, 10 AugUpdate

   The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

7. 15:45, 10 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 12m. Delays of 60 minutes still recorded. Monitoring continues.

8. 15:50, 10 AugUpdate

   The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

9. 16:20, 10 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 47m. Delays of 60 minutes still recorded. Monitoring continues.

10. 16:25, 10 AugUpdate

    The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

11. 16:55, 10 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 22m. Delays of 60 minutes still recorded. Monitoring continues.

12. 17:00, 10 AugUpdate

    The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

13. 17:30, 10 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 57m. Delays of 60 minutes still recorded. Monitoring continues.

14. 17:35, 10 AugUpdate

    The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

15. 18:05, 10 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 32m. Delays of 60 minutes still recorded. Monitoring continues.

16. 18:10, 10 AugUpdate

    The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

17. 18:40, 10 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 7m. Delays of 60 minutes still recorded. Monitoring continues.

18. 18:45, 10 AugUpdate

    The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

19. 19:15, 10 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 42m. Delays of 60 minutes still recorded. Monitoring continues.

20. 19:20, 10 AugUpdate

    The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

21. 19:40, 10 AugUpdate

    ✅ Incident cleared — A12 reopened at 19:40 on 10 Aug 2026. Total disruption: 8h 7m. All lanes open, traffic returning to normal.

22. 16:57, 6 NovFinal update

    The A12 in Essex is now closed between J27 and J28 near Colchester due to a serious collision.

Wording from National Highways, recorded as it changed.

More on the A12

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