Major motorway closed after lorry crash as drivers face long delays to Heathrow

Drivers on the M4 are facing long delays today after a multi-vehicle crash[1] involving two lorries. A stretch of the motorway[2] has closed after two HGVs collided near Slough at 11am. Three out of four lanes are closed westbound between junctions J7 (Slough) and J8 (Maidenhead).
Drivers have been warned they face 30-minute delays and three miles of congestion as emergency services deal with the incident. Fire engines can be seen on the carriageway, as all but one lane remain closed.
14:40Kelly-Ann KiernanThis blog is now closed
This blog has now closed.
13:43Kelly-Ann KiernanHeavy rain
Heavy rain and thunderstorms are currently sweeping across the area hindering driving conditions. A yellow weather warning is in place until 9pm.
12:40Kelly-Ann Kiernan"Massive crash"
One affected traveller, heading on a coach to Heathrow, took to social media about the crash.
They said: "Massive crash two lorries westbound on M4 passed junction 7. "Road closed and will be for a while I would think. Fire engines there but not ambulances yet.
"Just saw as I'm heading towards Heathrow on the coach in the opposite direction. May want to re-route if you can."
12:30KEY EVENTNational Highways major update
A National Highways spokeswoman said: "Lanes 1,2 and 3 are now closed on the M4 westbound between J7 Slough and J8 Maidenhead for recovery and clear up works following a multi vehicle collision involving two lorries. "Lane 4 is now open.
Delays of 30 mins with approximately three miles of congestion."
12:23Kelly-Ann KiernanCrash on M4

Westbound closed
The crash took place M4 was closed westbound between Junction 7 (Slough) and Junction 8 (Maidenhead). One lane has since been re-opened but all others remain closed.
12:16Kelly-Ann KiernanDelays of 30 minutes
Drivers can expect delays of up to 30 minutes, National Highways have said.
They are asking people to plan ahead if driving towards that stretch of motorway.
12:09Kelly-Ann KiernanEmergency services at the scene

References
- ^ multi-vehicle crash (www.mirror.co.uk)
- ^ motorway (www.mirror.co.uk)