M4 | Greater London | Carriageway Closure | Exp… — Cleared 22 Jul

What happened

The M4 in Greater London is closed westbound between J3 near (Feltham) and J4B (M25 interchange) near Heathrow Airport following a vehicle collision.

RoadM4

SeveritySevere

StatusCleared

DirectionWestbound

Started16:40, 22 Jul 2026

Cleared18:00, 22 Jul 2026

16:40, 22 JulFirst report
The M4 in Greater London is closed westbound between J3 near (Feltham) and J4B (M25 interchange) near Heathrow Airport following a vehicle collision.
16:50, 22 JulUpdate
The M4 in Greater London is closed westbound between J3 near (Feltham) and J4B (M25 interchange) near Heathrow Airport following a vehicle collision.
17:20, 22 JulUpdate
⏱ Still active — no changes from National Highways. Incident ongoing for 39 minutes. Monitoring continues.
17:25, 22 JulUpdate
The M4 in Greater London is closed westbound between J3 near (Feltham) and J4B (M25 interchange) near Heathrow Airport following a vehicle collision.
18:00, 22 JulUpdate
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 19m. Monitoring continues.
18:00, 22 JulUpdate
✅ Incident cleared — M4 reopened at 18:00 on 22 Jul 2026. Total disruption: 1h 19m. All lanes open, traffic returning to normal.
05:53, 6 NovFinal update
The M4 in Greater London is closed westbound between J3 near (Feltham) and J4B (M25 interchange) near Heathrow Airport following a vehicle collision.

Wording from National Highways, recorded as it changed.

Enter when you were on the M4 to check.