A serious multi-vehicle collision has caused travel chaos on the M4 motorway this morning, with the Heathrow Airport tunnel completely closed and drivers facing massive delays during the crucial rush hour period.
Emergency Response at Heathrow Tunnel
Emergency services rushed to the scene between Junction 4B and Junction 4A after reports of a significant multi-vehicle incident. The critical Heathrow tunnel, a vital artery for airport traffic, has been completely shut down in both directions while authorities manage the situation.
National Highways confirmed the severity of the situation, stating: "The M4 is closed within the J4b Heathrow Airport tunnel due to a multi-vehicle collision. Emergency services including Thames Valley Police are currently on scene. There is approximately 4 miles of congestion on approach to the closure, adding at least 90 minutes to normal journey times."
Massive Delays and Alternative Routes
Commuters and airport travellers are experiencing nightmare conditions with:
- 90-minute delays above normal journey times
- 4 miles of stationary traffic building rapidly
- Complete tunnel closure affecting both carriageways
- Major impact on Heathrow Airport access
Drivers are being urgently advised to seek alternative routes if possible, with the A4 and other local roads expected to experience significant additional pressure as motorists attempt to bypass the closure.
Ongoing Situation and Recovery
The incident occurred during the busy morning commute, creating a domino effect of delays across West London's road network. Recovery operations are underway, but authorities have not provided an estimated reopening time for the critical tunnel section.
Travel experts warn that even after the tunnel reopens, the backlog of traffic will take several hours to clear completely, affecting journeys throughout the morning period.
