A crash on the M4 has led to a closure near Heathrow Airport in the early hours, causing chaos for those catching flights.
The M4 in Greater London westbound carriageway is closed between J4 Uxbridge and J4B Heathrow Airport.
All emergency services are at the scene with diversion routes in place – traffic cameras show queues of traffic building on the carriageway.
This is a live news story, follow below for further updates.
New UpdatesToday02:09 BST
Heathrow T1-4 traffic:
- At J3 exit the M4 and take the 1st exit on to the A312 ‘The Parkway’.
- At ‘Waggoner’s roundabout take the 3rd exit onto the A4 ‘Bath Road’.
- At the A408/Nene Road turn left and exit the A4.
- At the next roundabout take the 3rd exit onto ‘East Ramp’ the next roundabout is the Heathrow Tunnel roundabout.
Olivia BeesonToday02:08 BST
Road users are advised to follow the hollow diamond signage.
M4 westbound traffic:
- At junction 3 exit the M4 and take the 3rd exit onto the A312 ‘The Parkway’.
- Continue following the A312 ‘The Parkway’ through three roundabouts for approx. 4.1 miles.
- At the fourth roundabout take the second exit and continue on the A312 ‘Church Road’.
- At the next roundabout take the 1st exit and join the A40 westbound.
- Continue on the A40 as it merges into the M40
- At J1A exit the M40 to access the M25 anti-clockwise J16 to J15.
- Follow the M25 anti-clockwise to J15 and exit at J15 to access J4B M4.