A350 Poole Road in both directions closed due to recovery work and accident, a bus involved between Rushall Lane and A35 / B3068 Blandford Road North.
All emergency services required at the scene. Sensors show traffic approaching the closures is coping well.
More top news
More than 70 firefighters have been tackling a fire in a thatched cottage in Longparish, Hampshire.
Police have released CCTV footage of the last known movements of 21-year-old University of Brighton student Janet Muller.
Wednesday night's weather for the east of the region