A45 | Northamptonshire | Road Closure | Expect Delays

Incident timeline

1. 02:47, 18 AugFirst report

   The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

2. 03:21, 18 AugUpdate

   The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

3. 03:56, 18 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 9m. Monitoring continues.

4. 04:01, 18 AugUpdate

   The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

5. 04:31, 18 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 44m. Monitoring continues.

6. 04:36, 18 AugUpdate

   The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

7. 05:06, 18 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 19m. Monitoring continues.

8. 05:11, 18 AugUpdate

   The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

9. 05:41, 18 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 54m. Monitoring continues.

10. 05:46, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

11. 06:16, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 29m. Monitoring continues.

12. 06:21, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

13. 06:51, 18 AugUpdate

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

14. 06:56, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

15. 07:26, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 39m. Monitoring continues.

16. 07:31, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

17. 08:06, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 18m. Monitoring continues.

18. 08:11, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

19. 08:41, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 54m. Monitoring continues.

20. 08:46, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a very serious Police led Incident.

21. 09:01, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

22. 09:31, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 44m. Monitoring continues.

23. 09:36, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

24. 10:06, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 19m. Monitoring continues.

25. 10:11, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

26. 10:46, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 59m. Monitoring continues.

27. 10:51, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

28. 11:21, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 34m. Monitoring continues.

29. 11:26, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

30. 11:56, 18 AugUpdate

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

31. 12:01, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

32. 12:31, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 9h 44m. Monitoring continues.

33. 12:36, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

34. 13:06, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 10h 19m. Monitoring continues.

35. 13:11, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

36. 13:46, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 10h 59m. Monitoring continues.

37. 13:51, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

38. 14:21, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 11h 33m. Monitoring continues.

39. 14:26, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

40. 14:56, 18 AugUpdate

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

41. 15:01, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

42. 15:31, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 43m. Monitoring continues.

43. 15:36, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

44. 16:06, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 13h 19m. Monitoring continues.

45. 16:11, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

46. 16:41, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 13h 54m. Monitoring continues.

47. 16:46, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

48. 17:21, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 14h 34m. Monitoring continues.

49. 17:26, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

50. 17:56, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 9m. Monitoring continues.

51. 18:01, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

52. 18:31, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 44m. Monitoring continues.

53. 18:36, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

54. 19:11, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 16h 24m. Monitoring continues.

55. 19:16, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

56. 19:46, 18 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 16h 59m. Monitoring continues.

57. 19:51, 18 AugUpdate

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

58. 20:16, 18 AugUpdate

    ✅ Incident cleared — A45 reopened at 20:16 on 18 Aug 2026. Total disruption: 17h 29m. All lanes open, traffic returning to normal.

59. 22:02, 6 NovFinal update

    The A45 is closed in both directions between the A43 (Billing, Northampton) and A509 (Wilby Way, Wellingborough) due to a serious Police led Incident.

Wording from National Highways, recorded as it changed.

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