The A1(M) has partially reopened following a collision earlier.
The A1(M) is blocked after a multi-vehicle accident between the southbound junctions 49-48.
The Highways Agency, as well as North Yorkshire Police and Fire are on the scene.
A driver who was arrested after a collision on the A1 which killed one man and injured two others has been released on bail. The 26-year-old was arrested on suspicion of dangerous driving after the crash yesterday near Doncaster.
The two men injured - who were passengers in a lorry - are said to be in a stable condition.
A man has been killed and two seriously injured in two crashes on the A1 in South Yorkshire. Part of the road was shut for most the day, as Tina Gelder reports.
Police say the man who was killed in a crash on the A1(M) near Doncaster this morning was 47 and came from Leeds. The lorry he was driving collided with another lorry that was involved in the multi-vehicle pile-up close to Marr, Doncaster.
The first crash between a silver car and a lorry happened just after 6:10am and left part of the carriageway blocked. The driver of another HGV pulled over to help those involved in the first crash and his vehicle was then hit by the white lorry driven by the man who died.
Two passengers from the dead man's vehicle are being treated for life-threatening injuries. They are a 58 year old man from Redditch and a 35 year old man from Bedford. Police have arrested the 26 year old driver of the silver car from Doncaster on suspicion of causing death by dangerous driving.
One person has died following a crash that closed the A1(M) through South Yorkshire earlier. Another two people remain seriously injured. The road between junctions 36 and 37 has now reopened.
The A1M northbound is closed between Junction 36 & 37 after a multi-vehicle traffic collision earlier this morning.
Police received calls around 6am regarding a minor collision between a car and a lorry. At 6.15am, there was another collision in the same area, this time involving a car and three lorries. Two people have been seriously injured from the 2nd collision with emergency services at the scene.
The A1M is closed between J36 & J37 northbound with diversions via J38. The southbound carriageway is open. The motorway is expected to be closed for several hours so motorists travelling through the area should allow extra time for their journeys.