There are long delays M25 The motorway was closed in both directions following a serious accident at the Heathrow Airport exit.

It was stated that, as a result of the accident, the clockwise section was still closed as of 12.50 o’clock due to fuel leakage and collision investigations between J15 (M4 J4B) and J16 (M40 J1A).

Now the other side is open.

Traffic Data site Inrix said congestion had resumed on J14 for Heathrow Airport, while one lane on the anti-clockwise road remained closed with serious delays.

Following the crash on Sunday morning, an air ambulance was dispatched to the scene but left the scene before 12.45am.

National Highways tweeted at 11.23am: “Traffic has been STOPPED in both directions on the #M25 motorway in #Buckinghamshire between J15 (#M4) and J16 (#M40) due to serious collision involving a car and motorbike.

“emergency services A team is on standby, including the Air Ambulance.”

On a busy day for the M25, traffic was also stopped due to a multi-vehicle collision on the anti-clockwise section between J6 (Godstone) and J5 in Kent.

National Highways tweeted: “Emergency services are ready.

“Long delays continue to loom. If you are kept waiting, we thank you for your patience.”