M1 | Northamptonshire | Carriageway Closure | Expect Delays

Incident timeline

1. 22:35, 4 AugFirst report

   The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

2. 22:50, 4 AugUpdate

   The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

3. 23:20, 4 AugUpdate

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

4. 23:25, 4 AugUpdate

   The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

5. 00:00, 5 AugUpdate

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

6. 00:05, 5 AugUpdate

   The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

7. 00:35, 5 AugUpdate

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

8. 00:40, 5 AugUpdate

   The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

9. 01:10, 5 AugUpdate

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

10. 01:15, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

11. 01:45, 5 AugUpdate

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

12. 01:50, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

13. 02:20, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 45m. Monitoring continues.

14. 02:25, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

15. 02:55, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 20m. Monitoring continues.

16. 03:00, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

17. 03:30, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 55m. Monitoring continues.

18. 03:35, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

19. 04:05, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 30m. Monitoring continues.

20. 04:10, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

21. 04:40, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 5m. Monitoring continues.

22. 04:45, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

23. 05:15, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 40m. Monitoring continues.

24. 05:20, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

25. 05:50, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 15m. Monitoring continues.

26. 05:55, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

27. 06:25, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 50m. Monitoring continues.

28. 06:30, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

29. 07:05, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 30m. Monitoring continues.

30. 07:10, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

31. 07:45, 5 AugUpdate

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

32. 07:50, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

33. 08:20, 5 AugUpdate

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

34. 08:25, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

35. 08:55, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 10h 20m. Monitoring continues.

36. 09:00, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

37. 09:30, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 10h 55m. Monitoring continues.

38. 09:35, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

39. 10:05, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 11h 30m. Monitoring continues.

40. 10:10, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

41. 10:40, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 5m. Delays of 60 minutes still recorded. Monitoring continues.

42. 10:45, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

43. 11:15, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 40m. Delays of 60 minutes still recorded. Monitoring continues.

44. 11:20, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

45. 11:50, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 13h 15m. Delays of 60 minutes still recorded. Monitoring continues.

46. 11:55, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

47. 12:25, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 13h 50m. Delays of 60 minutes still recorded. Monitoring continues.

48. 12:30, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

49. 13:00, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 14h 25m. Delays of 60 minutes still recorded. Monitoring continues.

50. 13:05, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

51. 13:35, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 0m. Delays of 60 minutes still recorded. Monitoring continues.

52. 13:40, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

53. 14:10, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 35m. Delays of 60 minutes still recorded. Monitoring continues.

54. 14:15, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

55. 14:45, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 16h 10m. Delays of 60 minutes still recorded. Monitoring continues.

56. 14:50, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

57. 15:20, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 16h 45m. Delays of 60 minutes still recorded. Monitoring continues.

58. 15:25, 5 AugUpdate

    The M1 in Northamptonshire is closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving two lorries, one of which has overturned.

59. 15:50, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

60. 16:20, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 17h 45m. Delays of 60 minutes still recorded. Monitoring continues.

61. 16:25, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

62. 16:55, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 18h 20m. Delays of 60 minutes still recorded. Monitoring continues.

63. 17:00, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

64. 17:30, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 18h 55m. Delays of 60 minutes still recorded. Monitoring continues.

65. 17:35, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

66. 18:05, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 19h 30m. Delays of 60 minutes still recorded. Monitoring continues.

67. 18:10, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

68. 18:40, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 20h 5m. Delays of 60 minutes still recorded. Monitoring continues.

69. 18:45, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

70. 19:15, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 20h 40m. Delays of 60 minutes still recorded. Monitoring continues.

71. 19:20, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

72. 19:50, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 21h 15m. Delays of 60 minutes still recorded. Monitoring continues.

73. 19:55, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

74. 20:25, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 21h 50m. Delays of 60 minutes still recorded. Monitoring continues.

75. 20:30, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

76. 21:00, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 22h 25m. Delays of 60 minutes still recorded. Monitoring continues.

77. 21:05, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

78. 21:40, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 23h 5m. Delays of 60 minutes still recorded. Monitoring continues.

79. 21:45, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

80. 22:15, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 23h 40m. Delays of 60 minutes still recorded. Monitoring continues.

81. 22:20, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

82. 22:50, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 24h 15m. Delays of 60 minutes still recorded. Monitoring continues.

83. 22:55, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

84. 23:25, 5 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 24h 50m. Delays of 60 minutes still recorded. Monitoring continues.

85. 23:30, 5 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

86. 00:00, 6 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 25h 25m. Delays of 60 minutes still recorded. Monitoring continues.

87. 00:05, 6 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

88. 00:35, 6 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 26h 0m. Delays of 60 minutes still recorded. Monitoring continues.

89. 00:40, 6 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

90. 01:10, 6 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 26h 35m. Delays of 60 minutes still recorded. Monitoring continues.

91. 01:15, 6 AugUpdate

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

92. 01:15, 6 AugUpdate

    ✅ Incident cleared — M1 reopened at 01:15 on 6 Aug 2026. Total disruption: 26h 40m. All lanes open, traffic returning to normal.

93. 19:15, 5 NovFinal update

    The M1 in Northamptonshire remains closed northbound between J16 (for Northampton) and J18 (for Rugby) due to a serious collision involving four lorries, one of which has overturned.

Wording from National Highways, recorded as it changed.

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