RUSH-HOUR traffic is delayed on the A338 Bournemouth Spur Road due to an accident on the northbound carriageway.
The incident took place around half-a-mile north of the Blackwater junction just after 7am and traffic is currently backed up to the Cooper Dean roundabout.
Two vehicles are involved in the crash, a silver Peugeot Expert panel van registered to a company in Shaftesbury and a burgundy Vauxhall Vectra registred to an overseas address.
The car is currently on the central reservation and smoke is issuing from the vehicle.
Police and fire crews are on the scene. There are not believed to be any injuries.