A419 | Wiltshire | Carriageway Closure | Delays

Incident timeline

1. 08:16, 31 JulFirst report

   The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

2. 08:35, 31 JulUpdate

   The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

3. 09:05, 31 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 49 minutes. Monitoring continues.

4. 09:10, 31 JulUpdate

   The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

5. 09:40, 31 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 24m. Monitoring continues.

6. 09:45, 31 JulUpdate

   The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

7. 10:15, 31 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 59m. Monitoring continues.

8. 10:20, 31 JulUpdate

   The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

9. 10:55, 31 JulUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 39m. Monitoring continues.

10. 11:00, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

11. 11:30, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 14m. Monitoring continues.

12. 11:35, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

13. 12:10, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 54m. Monitoring continues.

14. 12:15, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

15. 12:45, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 29m. Monitoring continues.

16. 12:50, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

17. 13:20, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 4m. Monitoring continues.

18. 13:25, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

19. 13:55, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 39m. Monitoring continues.

20. 14:00, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

21. 14:35, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 19m. Monitoring continues.

22. 14:40, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

23. 15:15, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 59m. Monitoring continues.

24. 15:20, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

25. 15:50, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 34m. Monitoring continues.

26. 15:55, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

27. 16:25, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 9m. Monitoring continues.

28. 16:30, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

29. 17:05, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 49m. Monitoring continues.

30. 17:10, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

31. 17:40, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 9h 24m. Monitoring continues.

32. 17:45, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

33. 18:15, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 9h 59m. Monitoring continues.

34. 18:20, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

35. 18:50, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 10h 34m. Monitoring continues.

36. 18:55, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

37. 19:25, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 11h 9m. Monitoring continues.

38. 19:30, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

39. 20:00, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 11h 44m. Monitoring continues.

40. 20:05, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

41. 20:35, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 19m. Monitoring continues.

42. 20:40, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

43. 21:15, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 59m. Monitoring continues.

44. 21:20, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

45. 21:50, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 13h 34m. Monitoring continues.

46. 21:55, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

47. 22:25, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 14h 9m. Monitoring continues.

48. 22:30, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

49. 23:05, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 14h 49m. Monitoring continues.

50. 23:10, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

51. 23:40, 31 JulUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 24m. Monitoring continues.

52. 23:45, 31 JulUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

53. 00:15, 1 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 59m. Monitoring continues.

54. 00:20, 1 AugUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

55. 00:50, 1 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 16h 34m. Monitoring continues.

56. 00:55, 1 AugUpdate

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

57. 01:20, 1 AugUpdate

    ✅ Incident cleared — A419 reopened at 01:20 on 1 Aug 2026. Total disruption: 17h 4m. All lanes open, traffic returning to normal.

58. 12:18, 5 NovFinal update

    The A419 in Wiltshire is closed northbound between the A4311 (near Swindon) and B4040 (near Cirencester) due to a serious collision involving a car and a lorry.

Wording from National Highways, recorded as it changed.

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