There were reports of heavy traffic due to a crash on the A35.
Officers received a report at 2.54pm of a crash involving two lorries at the football grounds roundabout in Dorchester.
No injuries have been reported and the vehicles have been cleared from the carriageway.
Drivers were advised to expect delays.
Officers left the scene at 3.05pm.
One driver who was caught up in the crash said traffic is backed up at the roundabout going towards Monkeys Jump, going through Weymouth Avenue way as it was clear.
A spokesperson for Dorset Police said: "We received a report at 2.54pm of a collision involving two lorries at the Stadium Roundabout outside Dorchester.
"There were no reports of any injuries.
"The vehicles were cleared from the carriageway and officers left the scene at around 3.05pm."
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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 hereComments are closed on this article