A serious crash involving six cars on the M25 has caused serious delays near Uxbridge heading into rush hour.

The multi-car pile up happened before 4pm on Monday afternoon (March 6) and caused one lane to be closed.

The crash happened in the clockwise carriageway between junction 16 M40 and junction 17 Maple Cross.

Four cars, a van and one motorbike were involved in the collision which caused delays to Junction 14 Heathrow Terminal Four.

We will bring you live updates below.

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Motorway cameras show traffic is flowing

As we bring our blog to a close, the following picture shows the traffic flowing on the M25 at junction 15 for the M4.

The current traffic situation
The current traffic situation (Photo: Motorway Cameras)

Earlier this evening (March 6), a crash involving four cars and a motorbike forced one lane to close on the M25 clockwise between junction 16 and 17.

The crash, which happened before 4pm caused delays to stretch along the M25 clockwise beyond the Heathrow Airport junction at rush hour.

Shortly after 5.30pm, Highways England announced that all lanes had been reopened.

All lanes now open

State of the roads

Roads as of around 5.20pm
Roads as of around 5.20pm (Photo: Google Maps )

Here is the picture on the roads this evening around the M25.

Clockwise around the motorway is looking pretty terrible with delays all the way back to junction 14.

The M4 also appears to be showing some slow moving traffic in both directions.

Major crash

The crash has involved multiple vehicles and has caused one lane to be closed.

There were four cars, a van and a motorbike all involved in the crash, which happened before 4pm.

Major delays are stretching along the M25 clockwise beyond the Heathrow junction.

From Highways England

Here is the latest from Highways England. The picture appears to show emergency services on the scene including an ambulance.