THE A31 was closed at Roundhouse Roundabout due to a three-vehicle accident this afternoon.
Police were called by a member of the public at 2.45pm following reports of the incident in the Stag Gate area.
The incident involved a white Fiat Ducato, registered to a female from Gillingham, a blue Ford Transit, registered to a man from Littlehampton and a blue Volkswagen Caddy, registered to a man from Ferndown.
A spokesperson for Dorset Police said the driver of the Volkswagen Caddy has been taken to Poole Hospital for a check-up.
Recovery vehicles were at the scene and the road has now been re-opened.
There is heavy traffic and queuing as a result.