M25 crash J11–J10 anticlockwise

Crash on the M25 anticlockwise at J11–J10 on Sunday 27 September 2026, from 11:19. Cleared at 20:19 after 9 h. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 20:19 on 27 Sept 2026, after 9 h

Location

M25 anticlockwise · J11–J10

Reported as

Collision

At its worst

Delay ~16 min

Sources

TomTom ×10 · Motorway signs ×2

Timeline

1. Sun 11:19 TomTom: queueing traffic, “Queuing traffic”, delay ~5 min
2. Sun 11:24 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
3. Sun 11:28 TomTom: “Slow traffic”
4. Sun 11:37 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
5. Sun 11:42 TomTom: delay now ~8 min (was ~3)
6. Sun 11:46 TomTom: “Queuing traffic”
7. Sun 12:00 TomTom: queueing traffic, “Slow traffic”, delay ~7 min
8. Sun 12:19 TomTom: “Queuing traffic”
9. Sun 12:28 TomTom: “Slow traffic”
10. Sun 12:32 TomTom: “Queuing traffic”
11. Sun 13:41 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
12. Sun 13:55 TomTom: “Queuing traffic”
13. Sun 13:59 TomTom: “Slow traffic”
14. Sun 14:09 TomTom: queueing traffic, “Slow traffic”, delay ~6 min
15. Sun 14:59 Motorway signs: “COLLISION SLOW DOWN”
16. Sun 15:08 TomTom: collision, “Slow traffic, Accident”, delay ~4 min
17. Sun 15:13 TomTom: “Queuing traffic, Accident”
18. Sun 15:17 TomTom: “Slow traffic, Accident, Accident”
19. Sun 15:22 TomTom: “Slow traffic, Accident”
20. Sun 15:26 TomTom: queueing traffic, “Queuing traffic”, delay ~7 min
21. Sun 15:35 TomTom: now says queueing traffic, “Slow traffic”
22. Sun 15:49 TomTom: delay now ~9 min (was ~4)
23. Sun 15:54 TomTom: queueing traffic, “Slow traffic”, delay ~6 min
24. Sun 15:58 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
25. Sun 16:01 Motorway signs no longer show “COLLISION SLOW DOWN”
26. Sun 16:03 TomTom: “Queuing traffic”
27. Sun 16:40 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
28. Sun 18:07 TomTom: “Stationary traffic”
29. Sun 18:11 TomTom: “Queuing traffic”
30. Sun 18:20 TomTom: “Stationary traffic”
31. Sun 18:25 TomTom: “Queuing traffic”
32. Sun 19:11 TomTom: “Slow traffic”
33. Sun 19:15 TomTom: “Queuing traffic”
34. Sun 19:16 Motorway signs: “STRANDED VEHICLE-SLOW”
35. Sun 19:34 TomTom: queueing traffic, “Queuing traffic”, delay ~11 min
36. Sun 19:38 TomTom: delay now ~16 min (was ~11)
37. Sun 19:43 TomTom: “Slow traffic”
38. Sun 19:52 TomTom: “Queuing traffic”
39. Sun 20:01 TomTom: “Slow traffic”
40. Sun 20:02 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
41. Sun 20:19 TomTom no longer reports it
42. Sun 20:19 All clear: no source reports it any more

Source reports

• Queuing traffic
• Slow traffic
• Overhead signs read “COLLISION SLOW DOWN” (2 signs; furthest along: M25 anti-clockwise between J11 and J10).
• Overhead signs read “STRANDED VEHICLE-SLOW” (5 signs; furthest along: M25 anti-clockwise between J13 and J12).

Other recent incidents on the M25

• M25 closed J17–J16 anticlockwise10:16 · cleared after 44 min
• M25 crash J7 clockwise09:04 · cleared after 4 h 48 min
• M25 crash J7 anticlockwise08:41 · cleared after 5 h 11 min
• M25 stopped traffic J306:44 · cleared after 1 h 54 min
• M25 stopped traffic J12–J13 clockwise06:38 · cleared after 5 h 16 min
• M25 reported crash J5 clockwise06:32 · cleared after 33 min
• M25 crash J27 anticlockwise06:29 · cleared after 7 h 23 min
• M25 stopped traffic J13–J12 anticlockwise04:24 · cleared after 7 h 48 min
• M25 closed J28–J2900:42 · cleared after 2 h 36 min
• M25 crash J26–J27 clockwiseyesterday 18:58 · cleared after 1 h 54 min

Live traffic and past incidents at M25 J11 and M25 J10.

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