M25 crash J12–J11 anticlockwise

Crash on the M25 anticlockwise at J12–J11 on Sunday 1 November 2026, from 08:03. Cleared at 19:11 after 11 h 8 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 19:11 on 1 Nov 2026, after 11 h 8 min

Location

M25 anticlockwise · J12–J11

Reported as

Collision

At its worst

Delay ~16 min

Sources

Motorway signs ×3 · TomTom ×8

Timeline

1. Sun 08:03 Motorway signs: “COLLISION SLOW DOWN”
2. Sun 08:03 Motorway signs: “OBSTRUCTION ON SLIP ROAD”
3. Sun 08:43 Motorway signs no longer show “COLLISION SLOW DOWN”
4. Sun 11:15 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
5. Sun 11:19 TomTom: “Queuing traffic”
6. Sun 11:24 TomTom: “Slow traffic”
7. Sun 11:28 TomTom: “Queuing traffic”
8. Sun 11:37 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
9. Sun 11:39 Motorway signs: “INCIDENT SLOW DOWN”
10. Sun 11:42 TomTom: “Queuing traffic”
11. Sun 12:00 TomTom: “Slow traffic”
12. Sun 12:32 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
13. Sun 12:44 Motorway signs no longer show “OBSTRUCTION ON SLIP ROAD”
14. Sun 12:44 Motorway signs no longer show “INCIDENT SLOW DOWN”
15. Sun 13:00 TomTom: “Stationary traffic”
16. Sun 13:00 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
17. Sun 13:04 TomTom: “Queuing traffic”
18. Sun 13:09 TomTom: queueing traffic, “Stationary traffic”, delay ~8 min
19. Sun 13:14 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min (reported again)
20. Sun 13:14 TomTom: “Queuing traffic”
21. Sun 13:32 TomTom: “Stationary traffic”
22. Sun 13:37 TomTom: “Queuing traffic”
23. Sun 15:36 TomTom: “Stationary traffic”
24. Sun 15:40 TomTom: “Queuing traffic”
25. Sun 15:50 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
26. Sun 15:59 TomTom: queueing traffic, “Queuing traffic”, delay ~5 min
27. Sun 16:08 TomTom: queueing traffic, “Slow traffic”, delay ~6 min (reported again)
28. Sun 16:12 TomTom: “Slow traffic”
29. Sun 16:54 TomTom: queueing traffic, “Slow traffic”, delay ~4 min (reported again)
30. Sun 17:58 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
31. Sun 18:39 TomTom: “Queuing traffic”
32. Sun 18:44 TomTom: “Slow traffic”
33. Sun 19:11 TomTom no longer reports it
34. Sun 19:11 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: M25 anti-clockwise between J12 and J11).
• Overhead signs read “OBSTRUCTION ON SLIP ROAD” (1 sign; furthest along: M25 J11 anti-clockwise exit).
• Slow traffic
• Overhead signs read “INCIDENT SLOW DOWN” (5 signs; furthest along: M25 anti-clockwise between J12 and J11).
• Queuing traffic

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 J12 and M25 J11.

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