M25 crash J16–J17 clockwise

Crash on the M25 clockwise at J16–J17 on Sunday 25 October 2026, from 10:54. Cleared at 18:51 after 7 h 57 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 18:51 on 25 Oct 2026, after 7 h 57 min

Location

M25 clockwise · J16–J17

Reported as

Collision

At its worst

Stationary traffic · delay ~43 min

Sources

TomTom ×5 · Motorway signs ×2

Timeline

1. Sun 10:54 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
2. Sun 11:12 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
3. Sun 11:21 TomTom: “Queuing traffic”
4. Sun 11:27 TomTom: queueing traffic, “Slow traffic”, delay ~7 min
5. Sun 11:31 TomTom: “Slow traffic”
6. Sun 11:31 TomTom: “Queuing traffic”
7. Sun 11:41 TomTom: queueing traffic, “Slow traffic”, delay ~11 min (reported again)
8. Sun 11:44 TomTom: “Slow traffic”
9. Sun 11:49 TomTom: “Queuing traffic”
10. Sun 12:16 TomTom: “Slow traffic”
11. Sun 12:21 TomTom: “Queuing traffic”
12. Sun 12:30 TomTom: “Slow traffic”
13. Sun 12:48 TomTom: “Queuing traffic”
14. Sun 12:48 TomTom: “Slow traffic”
15. Sun 12:54 TomTom: “Queuing traffic”
16. Sun 13:25 TomTom: “Slow traffic”
17. Sun 13:34 TomTom: “Queuing traffic”
18. Sun 13:39 TomTom: “Slow traffic”
19. Sun 13:48 TomTom: “Queuing traffic”
20. Sun 13:57 TomTom: “Stationary traffic”
21. Sun 14:02 TomTom: “Queuing traffic”
22. Sun 14:11 TomTom: “Stationary traffic”
23. Sun 14:16 TomTom: “Queuing traffic”
24. Sun 14:38 TomTom: “Slow traffic”
25. Sun 14:43 TomTom: “Queuing traffic”
26. Sun 15:06 TomTom: “Slow traffic”
27. Sun 15:11 TomTom: “Queuing traffic”
28. Sun 15:15 TomTom: “Slow traffic”
29. Sun 15:20 TomTom: “Queuing traffic”
30. Sun 15:24 TomTom: “Slow traffic”
31. Sun 15:52 TomTom: queueing traffic, “Stationary traffic”, delay ~19 min
32. Sun 15:54 Motorway signs: “STRANDED VEHICLE-SLOW”
33. Sun 16:15 TomTom: delay now ~20 min (was ~15)
34. Sun 16:24 TomTom: “Queuing traffic”
35. Sun 16:35 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
36. Sun 17:07 Motorway signs: “REPORT OF COLLISION”
37. Sun 17:10 TomTom: queueing traffic, “Stationary traffic”, delay ~9 min
38. Sun 17:23 TomTom: delay now ~23 min (was ~14)
39. Sun 17:28 TomTom: delay now ~37 min (was ~23)
40. Sun 17:42 TomTom: “Queuing traffic”
41. Sun 17:51 TomTom: “Stationary traffic”
42. Sun 18:05 TomTom: “Slow traffic”
43. Sun 18:05 Motorway signs no longer show “REPORT OF COLLISION”
44. Sun 18:09 TomTom: “Queuing traffic”
45. Sun 18:14 TomTom: delay now ~4 min (was ~9), “Slow traffic”
46. Sun 18:51 TomTom no longer reports it
47. Sun 18:51 All clear: no source reports it any more

Source reports

• Queuing traffic
• Slow traffic
• Overhead signs read “STRANDED VEHICLE-SLOW” (3 signs; furthest along: M25 anti-clockwise within J16 after M40 J1A northbound exit).
• Overhead signs read “REPORT OF COLLISION” (10 signs; furthest along: M25 clockwise between J16 and J17).

Other recent incidents on the M25

• M25 crash J27–J26 anticlockwiseyesterday 19:13 · cleared after 1 h 9 min
• M25 crash J25–J26 clockwiseyesterday 19:12 · cleared after 1 h 9 min
• M25 reported crash J5 clockwiseyesterday 18:40 · cleared after 42 min
• M25 crash J5–J6 clockwiseyesterday 17:35 · cleared after 1 h 16 min
• M25 crash J5–J6 clockwiseyesterday 17:25 · cleared after 1 h 26 min
• M25 stopped traffic J30yesterday 17:06 · cleared after 1 h 4 min
• M25 crash J21A–J22 clockwiseyesterday 16:40 · cleared after 52 min
• M25 crash J30–J29 anticlockwiseyesterday 09:43 · cleared after 1 h 36 min
• M25 reported crash J27 anticlockwiseyesterday 08:38 · cleared after 41 min
• M25 stopped traffic J3–J2yesterday 07:02 · cleared after 5 h 16 min

Live traffic and past incidents at M25 J16 and M25 J17.

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