M25 crash J10–J9 clockwise

Crash on the M25 clockwise at J10–J9 on Wednesday 21 October 2026, from 19:03. Cleared at 20:24 after 1 h 20 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 20:24 on 21 Oct 2026, after 1 h 20 min

Location

M25 clockwise · J10–J9

Reported as

Collision

At its worst

Stationary traffic

Sources

TomTom ×2 · Motorway signs

Timeline

1. 19:03 Motorway signs: “COLLISION SLOW DOWN”
2. 19:04 TomTom: collision, “Stationary traffic, Incident”, delay ~22 min
3. 19:09 TomTom: delay now ~35 min (was ~22)
4. 19:14 TomTom no longer reports it
5. 19:14 All clear: no source reports it any more
6. 19:23 TomTom: queueing traffic, “Stationary traffic”, delay ~26 min
7. 19:59 TomTom: delay now ~7 min (was ~12), “Queuing traffic”
8. 20:04 TomTom no longer reports it
9. 20:24 Motorway signs no longer show “COLLISION SLOW DOWN”
10. 20:24 All clear: no source reports it any more

Source reports

• Stationary traffic, Incident
• Queuing traffic
• Overhead signs read “COLLISION SLOW DOWN” (3 signs; furthest along: M25 clockwise between J9 and J10).

Other recent incidents on the M25

• M25 reported crash J27 anticlockwise19:03 · cleared after 1 h 21 min
• M25 stopped traffic J17–J1618:54 · cleared after 24 min
• M25 reported crash J10 clockwise18:43 · cleared after 40 min
• M25 reported crash J29 clockwise18:42 · cleared after 41 min
• M25 crash J27–J28 clockwise16:55 · cleared after 3 h 28 min
• M25 stopped traffic J15–J1615:18 · cleared after 3 h 51 min
• M25 stopped traffic J5–J6 clockwise14:57 · cleared after 2 h 49 min
• M25 stopped traffic J3–J2 anticlockwise10:36 · cleared after 9 h 6 min
• M25 crash J25–J24 anticlockwise10:12 · cleared after 1 h 41 min
• M25 crash J17–J18 clockwise09:43 · cleared after 1 h 34 min

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