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M4 stopped traffic J20–J19 eastbound

Cleared Cleared at 10:04 on 13 Oct 2026, after 456 h 30 min.

Stopped traffic on the M4 eastbound at J20–J19 on Thursday 24 September 2026, from 09:34. Cleared at 10:04 after 456 h 30 min. Timeline of reports from the motorway signs and TomTom.

  1. M4 eastbound · J20–J19

    Broken-down vehicle

    Thu 09:34–yesterday 10:04 (cleared after 456 h 30 min) · delay ~6 min · queue 5.4 mi

    Motorway signs · TomTom

At its worst: stationary traffic · delay ~38 min

See the M4 on the live map M4 traffic now

Timeline

  1. Motorway signs: “STRANDED VEHICLE-SLOW”
  2. Motorway signs no longer show “STRANDED VEHICLE-SLOW”
  3. All clear: no source reports it any more
  4. Motorway signs: “STRANDED VEHICLE-SLOW” (reported again)
  5. Motorway signs no longer show “STRANDED VEHICLE-SLOW”
  6. All clear: no source reports it any more
  7. Motorway signs: “STRANDED VEHICLE-SLOW” (reported again)
  8. TomTom: queueing traffic, “Slow traffic”, delay ~4 min
  9. TomTom: now says broken-down vehicle, “Queuing traffic, Broken down vehicle”
  10. TomTom: “Stationary traffic, Broken down vehicle”
  11. TomTom: delay now ~16 min (was ~11)
  12. TomTom: delay now ~29 min (was ~21)
  13. TomTom no longer reports it
  14. TomTom: broken-down vehicle, “Stationary traffic, Broken down vehicle”, delay ~38 min (reported again)
  15. TomTom: now says queueing traffic, “Stationary traffic”
  16. TomTom: “Queuing traffic”
  17. TomTom: “Slow traffic”
  18. Motorway signs no longer show “STRANDED VEHICLE-SLOW”
  19. TomTom no longer reports it
  20. All clear: no source reports it any more

What the sources said

Other recent incidents on the M4

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.