Emergency services such as the Dorset and Wiltshire Fire Service are currently on the scene.
National have released the official diversion
Eastbound Travel
Take the first exit off the roundabout onto the A3066.
Continue for approximately 10 miles to Misterton via Melplash, Beaminster, and Moserton.
Turn right onto the A356 at the A356/A3066 junction.
Continue for approximately 15 miles, passing through Toller Down Gate, Rampisham. All the way to Frampton
Turn right onto the A37 at the A3066/A37 junction.
Continue for about 5 miles until you reach the A35 at Poundbury.
Westbound Traffic
The eastbound route is reversed.
