The M62 has been closed following an accident.
The motorway was completely closed between J33 (Ferrybridge) and J34 (Whitley Bridge) while emergency services deal with the incident.
Highways England says it is a serious two vehicle collision and West Yorkshire Police's road policing unit is on the scene.
Yorkshire Air Ambulance has taken casualties to hospital. Four people were injured.
The road is expected to remain closed for several hours, Highways England added.
Meanwhile a second accident has taken place between J20 (Oldham) and J19 (Heywood) westbound.
A multi vehicle crash has taken place. Traffic England says there are currently delays of 20 minutes and normal conditions are expected by 8.45pm.
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What we know so far
Click here for everything we know so far about the crashes.
We’ll bring you updates as we get them.
Ferrybridge crash: closures for next 1h 30m
It looks like the westbound carriageway of the M62 at Ferrybridge will be closed until 9.30pm
Manchester crash: Two of three lanes closed
Here’s the latest from Inrix: Traffic is moving slowly now as lanes one and two of three remain closed.
Traffic England says the incident is expected to clear by 10.15pm and normal traffic conditions are expected by 11.15pm.
Ferrybridge crash: Update from Traffic England
Traffic England says normal travel conditions are expected between 9pm and 9.15pm today.
The road is still closed while the accident is investigated.
Traffic report:
Our traffic partners Inrix are reporting:
Very slow traffic due to accident and all traffic being temporarily held on M62 Westbound between J20 A627(M) Rochdale and J19 A6046 (Heywood).
Slow traffic on M62 Eastbound between J19 A6046 (Heywood) and J20 A627(M) Rochdale. Most likely due people slowing to look at the accident on the westbound
Manchester crash: Eyewitnesses say children involved too
Lorna Madden said on Facebook:
Jesus christ bad smash up on M62 50mph zone, 6 car pile up and lots of families with babies involved i hope everyone involved is ok
Manchester crash: eyewitness report
Laura Bell said on Facebook:
Anyone heading towards Manchester on M62 it’s gridlocked. Bad accident just after junction 20 and it’s backed up for miles and miles. 5 fire engines, 3 ambulances and tones of police. Looks like 5 car pile up looked horrendous. Hope the people are all okay. I felt sick driving past seeing babies car seats.
Ferrybridge crash: Eyewitness reports children in car
Carolyn Savage posted on our Facebook page, saying:
It’s a car left the motorway on the westbound side. There are at least 2 small children in it plus parents. They have closed both sides due to the air ambulance and the severity of the accident as they are having to cut I believe
Don’t need another accident on the other side from rubber neckers!
Accident towards Manchester
Another accident has been reported - this time westbound between J20 (Oldham) and J19 (Heywood)
This will affect anyone driving towards Manchester from Huddersfield
Traffic building on surrounding roads
Traffic is now building on surrounding roads as drivers try to get round the closure. Anyone heading this way is in for a long journey.
Four people hurt, say police
We’ve spoken to Insp Clive Turner from North Yorkshire Police.
He said police believe just one vehicle is involved.
It was involved in a collision and has come off the motorway.
Four people were injured and have all been taken to hospital, some of them by air ambulance.
Road closures will be in place for the forseeable future.
Police are at the scene and are investigating.
Eyewitness reports from Facebook
Luke Knight:
Horrific accident on M62 nr j.34, traffic is going to be delayed for.hours so avoid. Looks worse than any incident I have ever seen,
Bad accident, must be 100 emergency service members at the scene, couple helicopters...treating someone at the bottom of the embankment at side of motorway...Got a close view due to been diverted down road that runs parallel maybe 50 metres away...
Emma Moran:
FYI huge accident m62 from eggbrough towards ponte x3 air ambulance there and over 20 ambulance police fire engines road shut off hope all involved are ok I would avoid if possible
Sherry Shirley:
Big accident on m62! Stopped all traffic, I hope everyone okay! If any one reads anything can you tell me what’s going on . Am so worried seen 3 fire engines 8 police cars and a helicopter. It can’t be good