M4 crash J19–J20 westbound
Crash on the M4 westbound at J19–J20 on Tuesday 10 November 2026, from 16:33. Cleared at 17:51 after 1 h 19 min. Timeline of reports from TomTom and the motorway signs.
- Status
- Cleared 17:51 on 10 Nov 2026, after 1 h 19 min
- Location
- M4 westbound · J19–J20
- Reported as
- Collision
- At its worst
- Delay ~6 min
- Sources
- TomTom ×2 · Motorway signs ×2
Timeline
- TomTom: queueing traffic, “Queuing traffic”, delay ~5 min
- TomTom: queueing traffic, “Slow traffic”, delay ~4 min
- Motorway signs: “REPORT OF COLLISION”
- TomTom: “Slow traffic”
- TomTom: “Queuing traffic”
- TomTom: “Slow traffic”
- TomTom no longer reports it
- Motorway signs no longer show “REPORT OF COLLISION”
- TomTom: queueing traffic, “Queuing traffic”, delay ~6 min (reported again)
- TomTom no longer reports it
- TomTom: queueing traffic, “Queuing traffic”, delay ~6 min (reported again)
- TomTom: queueing traffic, “Queuing traffic”, delay ~5 min (reported again)
- Motorway signs no longer show “REPORT OF COLLISION”
- TomTom: “Slow traffic”
- TomTom no longer reports it
- All clear: no source reports it any more
Source reports
- Queuing traffic
- Slow traffic
- Overhead signs read “REPORT OF COLLISION” (4 signs; furthest along: M4 westbound between J19 and J20).
- Overhead signs read “REPORT OF COLLISION” (3 signs; furthest along: M4 westbound between J19 and J20).
Other recent incidents on the M4
- M4 crash J18
- M4 crash J5–J4B eastbound
- M4 closed J15–J16
- M4 reported crash J13–J12 eastbound
- M4 crash Westbound
- M4 crash Eastbound
- M4 crash J35 eastbound
- M4 reported crash J15–J14 eastbound
- M4 crash J8–J10 westbound
- M4 crash J18 eastbound
Live traffic and past incidents at M4 J19 and M4 J20.
The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.