M4 crash Westbound

Crash on the M4 at Westbound on Friday 6 November 2026, from 16:21. Cleared at 18:46 after 2 h 25 min. Timeline of reports from Traffic Wales and TomTom.

Status

Cleared 18:46 on 6 Nov 2026, after 2 h 25 min

Location

M4 Westbound

Reported as

Broken-down vehicle

At its worst

Stationary traffic

Sources

Traffic Wales ×2 · TomTom

Timeline

1. 16:12 Traffic Wales: queueing traffic
2. 16:45 Traffic Wales: collision
3. 16:45 TomTom: broken-down vehicle, “Stationary traffic, Broken down vehicle”, delay ~10 min
4. 16:50 TomTom: delay now ~15 min (was ~10)
5. 16:54 TomTom: delay now ~20 min (was ~15)
6. 16:59 TomTom: delay now ~28 min (was ~20)
7. 17:03 TomTom no longer reports it
8. 18:31 Traffic Wales: now says incident, “Now clear : Westbound : J44 Lon Las”
9. 18:31 Traffic Wales: now says incident, “Now clear : Westbound : J42 Earlswood to J46 Llangyfelach”
10. 18:46 Traffic Wales no longer reports it
11. 18:46 All clear: no source reports it any more

Source reports

• M4 : Now clear : Westbound : J42 Earlswood to J46 Llangyfelach
• Stationary traffic, Broken down vehicle
• M4 : Now clear : Westbound : J44 Lon Las

Other recent incidents on the M4

• M4 crash J6–J5 eastbound16:50 · cleared after 25 min
• M4 crash J13–J12 eastbound13:22 · cleared after 1 h 25 min
• M4 crash J5–J4B eastbound12:02 · cleared after 42 min
• M4 crash J4–J4B westbound12:02 · cleared after 42 min
• M4 closed J18–J1700:45 · cleared after 27 min
• M4 crash J6 eastboundyesterday 22:04 · cleared after 12 h 9 min
• M4 reported crash J6 westboundyesterday 22:00 · cleared after 40 min
• M4 crash Westboundyesterday 18:51 · cleared after 45 min
• M4 crash Westboundyesterday 18:46 · cleared after 1 h 15 min
• M4 crash J4 eastboundyesterday 17:39 · cleared after 1 h 30 min

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.