The Wessex Way has re-opened to traffic after an earlier accident.
An overturned vehicle had closed the A338 to northbound traffic this morning near Bournemouth.
There are still long queues of traffic tailing back to the Richmond Hill roundabout.
A silver Subaru Impreza flipped over several times before landing in a field and catching fire.
A man from Derby was taken to Poole General Hospital with non-life threatening injuries.