Police and ambulance are at the scene of an accident on the White Lund Industrial Estate.
It is believed a biker has been involved in a collision with a vehicle.
Traffic is backing up on Northgate. An eyewitness said the accident occurred at around 5.15pm today, Monday and was the first incident which had occurred following the closure of part of the Heysham bypass for link road works.
At least three police vehicles are at the scene where the biker is being treated at the side of the road.