M25 stopped traffic J13–J12 anticlockwise

Cleared Cleared at 10:23 on 29 Sept 2026, after 3 h 44 min.

Stopped traffic on the M25 anticlockwise at J13–J12 on Tuesday 29 September 2026, from 06:38. Cleared at 10:23 after 3 h 44 min. Timeline of reports from TomTom and the motorway signs.

1. ▲

   M25 anticlockwise · J13–J12

   Obstruction or hazard

   Tue 06:38–Tue 10:23 (cleared after 3 h 44 min) · delay ~18 min · queue 10.2 mi

   TomTom ×10 · Motorway signs

At its worst: stationary traffic · delay ~23 min

See the M25 on the live map M25 traffic now

Timeline

1. Tue 06:38 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
2. Tue 06:43 TomTom: “Queuing traffic”
3. Tue 06:43 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
4. Tue 06:48 TomTom: “Slow traffic”
5. Tue 06:57 TomTom: “Stationary traffic”
6. Tue 07:01 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
7. Tue 07:06 TomTom: delay now ~19 min (was ~4), “Queuing traffic”
8. Tue 07:11 TomTom: “Queuing traffic”
9. Tue 07:15 TomTom: “Slow traffic”
10. Tue 07:24 TomTom: delay now ~12 min (was ~21), “Slow traffic”
11. Tue 07:24 TomTom: queueing traffic, “Queuing traffic”, delay ~8 min
12. Tue 07:29 TomTom: delay now ~17 min (was ~12)
13. Tue 07:33 TomTom: delay now ~23 min (was ~17)
14. Tue 07:38 TomTom: “Queuing traffic”
15. Tue 07:43 TomTom: delay now ~3 min (was ~20), “Slow traffic”
16. Tue 07:43 TomTom: queueing traffic, “Stationary traffic”, delay ~18 min
17. Tue 07:47 TomTom: delay now ~21 min (was ~3), “Queuing traffic”
18. Tue 07:56 Motorway signs: “REPORT OF OBSTRUCTION”
19. Tue 08:01 TomTom: “Slow traffic”
20. Tue 08:10 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
21. Tue 08:15 TomTom: queueing traffic, “Slow traffic”, delay ~11 min
22. Tue 08:19 TomTom: “Queuing traffic”
23. Tue 08:28 TomTom: queueing traffic, “Slow traffic”, delay ~15 min
24. Tue 08:33 TomTom: “Slow traffic”
25. Tue 08:38 TomTom: “Queuing traffic”
26. Tue 08:41 Motorway signs no longer show “REPORT OF OBSTRUCTION”
27. Tue 08:42 TomTom: “Slow traffic”
28. Tue 08:42 TomTom: “Queuing traffic”
29. Tue 08:51 TomTom: “Slow traffic”
30. Tue 09:28 TomTom: queueing traffic, “Slow traffic”, delay ~10 min
31. Tue 10:23 TomTom no longer reports it
32. Tue 10:23 All clear: no source reports it any more

What the sources said

• Stationary traffic
• Slow traffic
• Queuing traffic
• Overhead signs read “REPORT OF OBSTRUCTION” (7 signs; furthest along: M25 anti-clockwise between J13 and J12).

Other recent incidents on the M25

• M25 stopped traffic J2 · 06:51, cleared after 1 h 59 min
• M25 stopped traffic J10–J11 · 06:42, cleared after 3 h 49 min
• M25 delays J16 · 06:36, cleared after 7 h
• M25 stopped traffic J12–J13 clockwise · 06:20, cleared after 2 h 49 min
• M25 delays J5–J6 · 06:14, cleared after 2 h 8 min
• M25 closed J10–J9 · 00:48, cleared after 19 min
• M25 crash M25 northbound · yesterday 20:25, cleared after 2 h 40 min
• M25 stopped traffic J18–J19 · yesterday 15:53, cleared after 3 h 13 min
• M25 stopped traffic J2 · yesterday 15:45, cleared after 2 h 28 min
• M25 stopped traffic J16–J17 clockwise · yesterday 15:07, cleared after 3 h 5 min

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.