M1 crash J25 southbound

Crash on the M1 southbound at J25 on Wednesday 23 September 2026, from 08:34. Cleared at 18:30 after 489 h 56 min. Timeline of reports from TomTom, the motorway signs and National Highways.

Status

Cleared 18:30 on 13 Oct 2026, after 489 h 56 min

Location

M1 southbound · J25

Reported as

Collision

Lanes

4 of 4 lanes closed

At its worst

Stationary traffic · delay ~44 min

Sources

TomTom ×3 · Motorway signs ×6 · National Highways ×18

Timeline

1. Wed 08:34 TomTom: collision, “Stationary traffic, Accident”, delay ~27 min
2. Wed 08:37 Motorway signs: “COLLISION”
3. Wed 08:38 National Highways: 4 of 4 lanes closed
4. Wed 08:46 TomTom: collision, “Accident, Lane closed”
5. Wed 08:55 National Highways: 2 of 4 lanes closed
6. Wed 08:55 National Highways: 2 of 4 lanes closed
7. Wed 08:55 National Highways: 2 of 4 lanes closed
8. Wed 08:55 National Highways: 2 of 4 lanes closed
9. Wed 08:55 National Highways: 2 of 4 lanes closed
10. Wed 08:55 National Highways: 2 of 4 lanes closed
11. Wed 08:55 National Highways: 2 of 4 lanes closed
12. Wed 08:55 National Highways: 2 of 4 lanes closed
13. Wed 08:55 National Highways: 2 of 4 lanes closed
14. Wed 09:02 Motorway signs: “COLLISION SLOW DOWN”
15. Wed 09:04 TomTom: now says queueing traffic, delay now ~44 min (was ~27), “Stationary traffic”
16. Wed 09:07 Motorway signs: “M1 J25-J24A LANES CLOSED DUE TO SPILLAGE”
17. Wed 09:18 National Highways: 1 of 4 lanes closed
18. Wed 09:18 National Highways: 1 of 5 lanes closed
19. Wed 09:18 National Highways: 1 of 4 lanes closed
20. Wed 09:18 National Highways: 1 of 4 lanes closed
21. Wed 09:18 National Highways: 1 of 4 lanes closed
22. Wed 09:19 Motorway signs: “LANE CLOSED FOR INCIDENT ACCESS”
23. Wed 09:55 Motorway signs no longer show “COLLISION”
24. Wed 10:01 National Highways: lane closure lifted
25. Wed 11:10 National Highways: 1 of 5 lanes closed
26. Wed 11:29 National Highways: 1 of 4 lanes closed
27. Wed 11:29 National Highways: 1 of 4 lanes closed
28. Wed 12:04 TomTom: delay now ~22 min (was ~16)
29. Wed 12:19 National Highways: lane closure lifted
30. Wed 12:46 Motorway signs: “REPORT OF OBSTRUCTION”
31. Wed 13:13 TomTom: delay now ~20 min (was ~29)
32. Wed 13:17 National Highways: lane closure lifted
33. Wed 13:17 All clear: no source reports it any more
34. Wed 13:25 Motorway signs: “COLLISION” (reported again)
35. Wed 13:25 Motorway signs no longer show “COLLISION SLOW DOWN”
36. Wed 13:25 Motorway signs no longer show “LANE CLOSED FOR INCIDENT ACCESS”
37. Wed 13:25 Motorway signs no longer show “REPORT OF OBSTRUCTION”
38. Wed 13:41 TomTom: delay now ~4 min (was ~15), “Slow traffic”
39. Wed 13:49 National Highways: lane closure lifted
40. Wed 13:55 TomTom no longer reports it
41. Wed 13:56 Motorway signs no longer show “COLLISION”
42. Wed 13:56 Motorway signs no longer show “M1 J25-J24A LANES CLOSED DUE TO SPILLAGE”
43. Wed 13:56 All clear: no source reports it any more
44. Wed 16:56 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
45. Wed 17:26 Motorway signs no longer show “REPORT OF OBSTRUCTION”
46. Wed 17:26 All clear: no source reports it any more
47. Mon 07:05 Motorway signs: “COLLISION SLOW DOWN” (reported again)
48. Mon 07:07 TomTom: queueing traffic, “Queuing traffic”, delay ~7 min
49. Mon 07:25 Motorway signs: “COLLISION SLOW DOWN”
50. Mon 07:25 TomTom: “Slow traffic”
51. Mon 07:30 TomTom: “Queuing traffic”
52. Mon 07:35 TomTom: delay now ~17 min (was ~11), “Stationary traffic”
53. Mon 07:35 Motorway signs no longer show “COLLISION SLOW DOWN”
54. Mon 07:44 TomTom: delay now ~35 min (was ~20)
55. Mon 08:05 Motorway signs no longer show “COLLISION SLOW DOWN”
56. Mon 08:16 TomTom: delay now ~9 min (was ~15)
57. Mon 08:25 TomTom no longer reports it
58. Mon 08:25 All clear: no source reports it any more
59. Mon 05:20 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
60. Mon 05:50 Motorway signs no longer show “REPORT OF OBSTRUCTION”
61. Mon 05:50 All clear: no source reports it any more
62. Mon 20:24 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
63. Mon 20:54 Motorway signs no longer show “REPORT OF OBSTRUCTION”
64. Mon 20:54 All clear: no source reports it any more
65. Tue 17:59 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
66. Tue 18:30 Motorway signs no longer show “REPORT OF OBSTRUCTION”
67. Tue 18:30 All clear: no source reports it any more

Source reports

• Accident, Lane closed
• Slow traffic
• Overhead signs read “COLLISION” (2 signs; furthest along: M1 southbound between J25 and J24A).
• M1 southbound between J25 and J24A
• Overhead signs read “COLLISION SLOW DOWN” (2 signs; furthest along: M1 southbound between J26 and J25).
• Overhead signs read “M1 J25-J24A LANES CLOSED DUE TO SPILLAGE” (1 sign; e.g. M1 southbound between J28 and J27). Marker placed near M1 J25–J24A using the signs there, so it is approximate.
• M1 southbound within J25
• Overhead signs read “LANE CLOSED FOR INCIDENT ACCESS” (1 sign; furthest along: M1 southbound between J25 and J24A).
• Overhead signs read “REPORT OF OBSTRUCTION” (1 sign; furthest along: M1 northbound between J24A and J25).
• Stationary traffic
• Overhead signs read “COLLISION SLOW DOWN” (3 signs; furthest along: M1 southbound between J26 and J25).

Other recent incidents on the M1

• M1 closed J25–J24A southboundyesterday 23:06 · cleared after 5 h 24 min
• M1 closed J25–J24A southboundyesterday 21:34 · cleared after 1 h
• M1 crash J45 northboundyesterday 19:23 · cleared after 57 min
• M1 stopped traffic J10–J11 northboundyesterday 16:25 · cleared after 2 h 3 min
• M1 crash J34–J33 southboundyesterday 16:20 · cleared after 2 h 51 min
• M1 crash J34–J33 southboundyesterday 13:49 · cleared after 11 min
• M1 crash J32 northboundyesterday 13:48 · cleared after 12 min
• M1 crash J22 northboundyesterday 11:42 · cleared after 57 min
• M1 crash J12–J11A southboundyesterday 10:04 · cleared after 2 h 40 min
• M1 crash J23A–J24 northboundyesterday 06:42 · cleared after 1 h 25 min

Live traffic and past incidents at M1 J25.

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.