M25 crash J9–J10 clockwise

Crash on the M25 clockwise at J9–J10 on Monday 26 October 2026, from 08:31. Cleared at 10:50 after 2 h 18 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 10:50 on 26 Oct 2026, after 2 h 18 min

Location

M25 clockwise · J9–J10

Reported as

Collision

At its worst

Stationary traffic · delay ~36 min

Sources

TomTom ×3 · Motorway signs

Timeline

1. Mon 08:31 Motorway signs: “COLLISION SLOW DOWN”
2. Mon 08:46 TomTom: queueing traffic, “Stationary traffic”, delay ~15 min
3. Mon 09:00 TomTom: delay now ~24 min (was ~18)
4. Mon 09:04 TomTom: delay now ~32 min (was ~24)
5. Mon 09:22 TomTom: “Queuing traffic”
6. Mon 09:27 TomTom: “Stationary traffic”
7. Mon 09:32 TomTom: “Queuing traffic”
8. Mon 09:45 TomTom: “Stationary traffic”
9. Mon 09:55 TomTom: queueing traffic, “Queuing traffic”, delay ~20 min
10. Mon 10:01 Motorway signs no longer show “COLLISION SLOW DOWN”
11. Mon 10:13 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
12. Mon 10:17 TomTom: “Stationary traffic”
13. Mon 10:27 TomTom: “Queuing traffic”
14. Mon 10:31 TomTom: “Stationary traffic”
15. Mon 10:36 TomTom: “Queuing traffic”
16. Mon 10:50 TomTom no longer reports it
17. Mon 10:50 All clear: no source reports it any more

Source reports

• Stationary traffic
• Overhead signs read “COLLISION SLOW DOWN” (5 signs; furthest along: M25 clockwise between J9 and J10).
• Queuing traffic
• Slow 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 J9 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.