The coast-bound carriageway on the M2 is currently closed while vehicles from a car crash are being recovered.
Car passengers have been stuck in queues for hours and some have been walking along the hard shoulder of the motorway.
The two vehicle collision involved a white Renault lorry and a black Ford Transit.
The man was taken by air ambulance with serious injuries and another man had minor injuries.
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A man has been taken to hospital with serious injuries after being beaten by a gang of 10 in the early hours of this morning.