M25 crash J11–J12 clockwise

Live Still reported at 17:24 UK time, since 15:21 (2 h 3 min).

Crash on the M25 clockwise at J11–J12 on Tuesday 29 September 2026, from 15:21. Still reported at 17:24 UK time. Timeline of reports from TomTom and the motorway signs.

1. !

   M25 clockwise · J11–J12

   Collision

   since 15:21 (2 h 3 min) · delay ~12 min · queue 7.3 mi

   TomTom ×2 · Motorway signs ×2

See the M25 on the live map M25 traffic now

Timeline

1. 15:21 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
2. 15:35 Motorway signs: “INCIDENT SLOW DOWN”
3. 15:57 TomTom: “Queuing traffic”
4. 15:59 Motorway signs: “COLLISION SLOW DOWN”
5. 16:06 TomTom: queueing traffic, “Stationary traffic”, delay ~9 min
6. 16:11 TomTom: “Stationary traffic”
7. 16:11 TomTom: delay now ~16 min (was ~9)
8. 16:12 Motorway signs no longer show “INCIDENT SLOW DOWN”
9. 16:15 TomTom: delay now ~21 min (was ~16)
10. 16:20 TomTom: delay now ~39 min (was ~21)
11. 16:25 TomTom: delay now ~55 min (was ~39)
12. 16:29 TomTom: “Queuing traffic”
13. 16:29 TomTom: delay now ~33 min (was ~55)
14. 16:42 Motorway signs: “INCIDENT SLOW DOWN” (reported again)
15. 16:42 Motorway signs no longer show “COLLISION SLOW DOWN”
16. 16:52 TomTom: delay now ~16 min (was ~28), “Queuing traffic”
17. 16:57 TomTom: delay now ~10 min (was ~16), “Slow traffic”
18. 17:13 Motorway signs no longer show “INCIDENT SLOW DOWN”

What the sources said

• Queuing traffic
• Overhead signs read “INCIDENT SLOW DOWN” (2 signs; furthest along: M25 clockwise between J11 and J12).
• Slow traffic
• Overhead signs read “COLLISION SLOW DOWN” (2 signs; furthest along: M25 clockwise between J11 and J12).

Other recent incidents on the M25

• M25 crash J14–J15 clockwise · 14:36, still reported
• M25 crash J16 clockwise · 11:21, cleared after 50 min
• M25 crash J15 anticlockwise · 06:42, cleared after 4 h 13 min
• M25 crash J24 clockwise · 06:19, cleared after 2 h 52 min
• M25 crash J20–J19 anticlockwise · yesterday 17:02, cleared after 1 h 5 min
• M25 crash J5–J6 clockwise · yesterday 09:13, cleared after 1 h 52 min
• M25 crash J9–J8 anticlockwise · yesterday 05:15, cleared after 50 min
• M25 crash J5–J6 anticlockwise · Sun 18:52, cleared after 6 h 11 min
• M25 crash J16–J17 clockwise · Sun 16:29, cleared after 4 h 3 min
• M25 crash J11–J10 anticlockwise · Sun 11:19, cleared after 9 h

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.