A man has been taken to hospital after a serious crash on the A351 near Corfe Castle.
The crash was between a car and a motorcycle between Norden and Stoborough Green.
The car left the road and ended up in a hedge.
A spokesman for Dorset Police said they were called to the scene at around 2.30pm.
Update: #TravelDorsetAlert: A351 CLOSED between Stoborough and Corfe Castle due to a serious collision, a car and motorcycle involved.
— Travel Dorset (@TravelDorset) July 17, 2018
Two crews from Swanage Fire Station also attended to help extract two people who were stuck in the car due to brambles.
Fire crews also assisted the ambulance service with a third casualty, a male motorcyclist.
An air ambulance attended the crash scene but the man was taken to hospital by road.
A spokesman for South Western Ambulance Service said: "We attended with three ambulances, one air ambulance, and two operations officers.
"Two people in the car were treated at the scene. The male motorcyclist was transported by road ambulance to Poole Hospital with a leg injury."
The road was closed between Furzebrook roundabout and the Halfway Inn at Norden.
#TravelAlert - Due to a serious RTC, the A351 road has closed to allow ambulance and police services to attend. Three school services are blocked at Purbeck school, 40 and 50 services also stuck. More updates to follow. ^AV
— Morebus (@Morebusco) July 17, 2018
Several bus services became stuck due to the crash including three school services and the number 40 and number 50 services.
Recovery was arranged for both vehicles and the road reopened shortly after 4.30pm.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here