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.
More top news
Simon's Blog - Windy Weather Photos
Tuesday's night's forecast for the east of the region
Tuesday night's weather for the west of the region