M4 crash J10–J11 westbound
Cleared Cleared at 18:30 on 6 Oct 2026, after 1 h 9 min.
Crash on the M4 westbound at J10–J11 on Tuesday 6 October 2026, from 17:21. Cleared at 18:30 after 1 h 9 min. Timeline of reports from the motorway signs and TomTom.
M4 westbound · J10–J11
Collision
17:21–18:30 (cleared after 1 h 9 min) · delay ~3 min
Motorway signs ×3 · TomTom ×2
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Timeline
- Motorway signs: “REPORT OF COLLISION”
- Motorway signs: “COLLISION [HCA0]”
- Motorway signs: “COLLISION”
- TomTom: broken-down vehicle, “Broken down vehicle”
- Motorway signs no longer show “REPORT OF COLLISION”
- TomTom: broken-down vehicle, “Slow traffic, Broken down vehicle”, delay ~3 min
- TomTom no longer reports it
- Motorway signs no longer show “COLLISION [HCA0]”
- Motorway signs no longer show “COLLISION”
- All clear: no source reports it any more
What the sources said
- Overhead signs read “REPORT OF COLLISION” (11 signs; furthest along: M4 westbound between J10 and J11).
- Broken down vehicle
- Overhead signs read “COLLISION [HCA0]” (3 signs; furthest along: M4 westbound between J10 and J11).
- Overhead signs read “COLLISION” (3 signs; furthest along: M4 westbound between J10 and J11).
- Slow traffic, Broken down vehicle
Other recent incidents on the M4
- M4 crash J7–J8 westbound
- M4 stopped traffic J3–J2
- M4 closed J19–J20 westbound
- M4 closed J19 westbound
- M4 closed J20–J21 westbound
- M4 closed J15–J16 westbound
- M4 closed J13–J14 westbound
- M4 closed J12–J13 westbound
- M4 closed J16–J17 westbound
- M4 reported crash J5–J6 westbound
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.