M4 crash J4 westbound
Crash on the M4 westbound at J4 on Sunday 8 November 2026, from 22:30. Still reported at 23:21 UK time. Timeline of reports from TomTom, the motorway signs and National Highways.
- Status
- Live since 22:30 (50 min)
- Location
- M4 westbound · J4
- Reported as
- Collision
- Lanes
- Road closed
- Delay
- ~77 min
- At its worst
- Stationary traffic
- Sources
- TomTom ×2 · Motorway signs · National Highways ×2
Timeline
- TomTom: queueing traffic, “Slow traffic”, delay ~5 min
- TomTom: “Queuing traffic”
- Motorway signs: “REPORT OF COLLISION”
- TomTom: delay now ~15 min (was ~9)
- TomTom: queueing traffic, “Slow traffic”, delay ~4 min
- TomTom: “Stationary traffic”
- TomTom: queueing traffic, “Slow traffic”, delay ~6 min (reported again)
- TomTom: now says collision, “Stationary traffic, Accident”
- National Highways: road closed
- TomTom: delay now ~17 min (was ~6), “Queuing traffic”
- TomTom: now says queueing traffic, delay now ~27 min (was ~19), “Stationary traffic”
- TomTom: delay now ~56 min (was ~27)
- TomTom: delay now ~35 min (was ~17), “Stationary traffic”
- TomTom: delay now ~77 min (was ~56)
Source reports
- Stationary traffic
- Overhead signs read “REPORT OF COLLISION” (1 sign; furthest along: M4 westbound within J4).
- M4 westbound within J3
Other recent incidents on the M4
- M4 crash J32 eastbound
- M4 reported crash J3–J2 eastbound
- M4 crash J3–J2 eastbound
- M4 closed J18–J17
- M4 stopped traffic J18–J17
- M4 crash J6–J5 eastbound
- M4 crash Westbound
- M4 crash J13–J12 eastbound
- M4 crash J5–J4B eastbound
- M4 crash J4–J4B westbound
Live traffic and past incidents at M4 J4.
The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.