M4 crash Westbound
Cleared Cleared at 10:49 on 1 Oct 2026, after 55 min.
Crash on the M4 at Westbound on Thursday 1 October 2026, from 09:54. Cleared at 10:49 after 55 min. Timeline of reports from TomTom and Traffic Wales.
M4 · Westbound
Collision
09:54–10:49 (cleared after 55 min) · delay ~23 min
TomTom · Traffic Wales
See the M4 on the live map M4 traffic now
Timeline
- TomTom: collision, “Stationary traffic, Incident”, delay ~23 min
- Traffic Wales: collision
- TomTom no longer reports it
- All clear: no source reports it any more
- Traffic Wales: now says incident, “Now clear : Westbound : J35 Pencoed to J36 Sarn”
- Traffic Wales no longer reports it
- All clear: no source reports it any more
- Traffic Wales: incident (reported again)
- Traffic Wales no longer reports it
- All clear: no source reports it any more
What the sources said
- Stationary traffic, Incident
- M4 : Now clear : Westbound : J35 Pencoed to J36 Sarn
Other recent incidents on the M4
- M4 stopped traffic J15–J16
- M4 stopped traffic J3–J2
- M4 closed J16–J17 westbound
- M4 closed J19–J20 westbound
- M4 closed J16–J17 westbound
- M4 crash J11–J10 eastbound
- M4 closed J13–J14 westbound
- M4 closed J12–J13 westbound
- M4 closed J15–J16 westbound
- M4 closed J16–J17 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.