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M1 stopped traffic J21–J20 southbound

Cleared Cleared at 18:05 on 8 Oct 2026, after 3 h 58 min.

Stopped traffic on the M1 southbound at J21–J20 on Thursday 8 October 2026, from 14:07. Cleared at 18:05 after 3 h 58 min. Timeline of reports from TomTom and the motorway signs.

  1. M1 southbound · J21–J20

    Broken-down vehicle

    Thu 14:07–Thu 18:05 (cleared after 3 h 58 min) · delay ~17 min · queue 4.5 mi

    TomTom ×4 · Motorway signs

At its worst: stationary traffic · delay ~33 min

See the M1 on the live map M1 traffic now

Timeline

  1. TomTom: collision, “Stationary traffic, Incident”, delay ~33 min
  2. TomTom: now says queueing traffic, “Stationary traffic”
  3. Motorway signs: “STRANDED VEHICLE-SLOW”
  4. TomTom: delay now ~18 min (was ~28)
  5. TomTom: delay now ~11 min (was ~16)
  6. TomTom no longer reports it
  7. TomTom: queueing traffic, “Slow traffic”, delay ~4 min
  8. Motorway signs no longer show “STRANDED VEHICLE-SLOW”
  9. TomTom no longer reports it
  10. All clear: no source reports it any more
  11. TomTom: queueing traffic, “Slow traffic”, delay ~4 min (reported again)
  12. TomTom: queueing traffic, “Queuing traffic”, delay ~5 min
  13. TomTom: queueing traffic, “Slow traffic”, delay ~5 min (reported again)
  14. TomTom: delay now ~15 min (was ~10), “Stationary traffic”
  15. TomTom: queueing traffic, “Stationary traffic”, delay ~17 min
  16. TomTom: queueing traffic, “Queuing traffic”, delay ~13 min (reported again)
  17. TomTom: delay now ~8 min (was ~13), “Slow traffic”
  18. TomTom: “Queuing traffic”
  19. TomTom: queueing traffic, “Slow traffic”, delay ~4 min (reported again)
  20. TomTom: “Stationary traffic”
  21. TomTom: “Queuing traffic”
  22. TomTom: “Stationary traffic”
  23. TomTom: “Queuing traffic”
  24. TomTom: “Slow traffic”
  25. TomTom no longer reports it
  26. All clear: no source reports it any more

What the sources said

Other recent incidents on the M1

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.