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M25 crash J27–J28 clockwise

Cleared Cleared at 18:54 on 25 Sept 2026, after 4 h 48 min.

Crash on the M25 clockwise at J27–J28 on Friday 25 September 2026, from 14:07. Cleared at 18:54 after 4 h 48 min. Timeline of reports from TomTom, the motorway signs and National Highways.

  1. M25 clockwise · J27–J28

    Collision

    2 of 3 lanes closed · yesterday 14:07–yesterday 18:54 (cleared after 4 h 48 min) · delay ~29 min · queue 8.1 mi

    TomTom ×5 · Motorway signs ×3 · National Highways

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Timeline

  1. TomTom: queueing traffic, “Stationary traffic”, delay ~16 min
  2. TomTom: delay now ~22 min (was ~16)
  3. TomTom: delay now ~32 min (was ~22)
  4. TomTom: delay now ~42 min (was ~32)
  5. TomTom: now says collision, “Stationary traffic, Accident”
  6. Motorway signs: “REPORT OF OBSTRUCTION”
  7. TomTom: delay now ~29 min (was ~45)
  8. TomTom: queueing traffic, “Stationary traffic”, delay ~27 min
  9. TomTom: delay now ~13 min (was ~19)
  10. TomTom: “Queuing traffic”
  11. TomTom: “Slow traffic”
  12. TomTom: delay now ~4 min (was ~11)
  13. Motorway signs no longer show “REPORT OF OBSTRUCTION”
  14. TomTom: “Queuing traffic”
  15. TomTom: “Slow traffic”
  16. TomTom no longer reports it
  17. All clear: no source reports it any more
  18. TomTom: queueing traffic, “Stationary traffic”, delay ~10 min (reported again)
  19. Motorway signs: “STRANDED VEHICLE”
  20. National Highways: 2 of 3 lanes closed
  21. TomTom: now says broken-down vehicle, “traffic, Broken down vehicle”
  22. TomTom: now says queueing traffic, “Stationary traffic”
  23. Motorway signs: “REPORT OF OBSTRUCTION”
  24. TomTom: queueing traffic, “Queuing traffic”, delay ~16 min
  25. Motorway signs no longer show “STRANDED VEHICLE”
  26. National Highways: lane closure lifted
  27. TomTom: delay now ~41 min (was ~24)
  28. TomTom: “Queuing traffic”
  29. TomTom: queueing traffic, “Queuing traffic”, delay ~15 min
  30. TomTom: delay now ~8 min (was ~25), “Slow traffic”
  31. Motorway signs no longer show “REPORT OF OBSTRUCTION”
  32. TomTom: queueing traffic, “Queuing traffic”, delay ~9 min
  33. TomTom no longer reports it
  34. All clear: no source reports it any more

What the sources said

Other recent incidents on the M25

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.