A driver has died following a collision between a lorry and a car.
The accident happened on the A35 at the Monkeys Jump roundabout near Dorchester this afternoon.
Police have closed the road going westbound between Monkeys Jump roundabout and the B3159.
A spokeswoman said it would remain shut for a "considerable time".
Text Santa is organising the Biggest Bag Pack Ever for 6 UK based charities. They will help and support someone near you this Christmas.
The second carnival takes place tonight in the West's Guy Fawkes Carnival Circuit. Many roads in the town will be closed from 6pm.
Bristol based charity Sustrans is warning cyclists to stay safe as clocks go back