A303 | Somerset | Road Closure | Expect Delays

Incident timeline

1. 21:56, 17 AugFirst report

   The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

2. 22:16, 17 AugUpdate

   The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

3. 22:46, 17 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 50 minutes. Monitoring continues.

4. 22:51, 17 AugUpdate

   The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

5. 23:21, 17 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 25m. Monitoring continues.

6. 23:26, 17 AugUpdate

   The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

7. 23:56, 17 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 0m. Monitoring continues.

8. 00:01, 18 AugUpdate

   The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

9. 00:31, 18 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 35m. Monitoring continues.

10. 00:36, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

11. 01:06, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 10m. Monitoring continues.

12. 01:11, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

13. 01:46, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 50m. Monitoring continues.

14. 01:51, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

15. 02:26, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 30m. Monitoring continues.

16. 02:31, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

17. 03:01, 18 AugUpdate

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

18. 03:06, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

19. 03:36, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 40m. Monitoring continues.

20. 03:41, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

21. 04:11, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 15m. Monitoring continues.

22. 04:16, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

23. 04:46, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 50m. Monitoring continues.

24. 04:51, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

25. 05:21, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 25m. Monitoring continues.

26. 05:26, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

27. 05:56, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 0m. Monitoring continues.

28. 06:01, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

29. 06:31, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 35m. Monitoring continues.

30. 06:36, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

31. 07:06, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 9h 10m. Monitoring continues.

32. 07:11, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

33. 07:41, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 9h 45m. Monitoring continues.

34. 07:46, 18 AugUpdate

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

35. 07:46, 18 AugUpdate

    ✅ Incident cleared — A303 reopened at 07:46 on 18 Aug 2026. Total disruption: 9h 50m. All lanes open, traffic returning to normal.

36. 19:09, 6 NovFinal update

    The A303 is closed in both directions between the A358 (Horton Cross) and the A30 (Upottery) due to a lorry fire which is fully laden with vegetation.

Wording from National Highways, recorded as it changed.

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