Traffic is being diverted down side roads following a crash on the A47.
At North Burlingham, by Acle, the road is closed and traffic is slow going east at The Windle junction.
Two cars came together, a police spokesman said that no one has been injured and the road should be clear shortly.
Police are still in attendance, recovering the vehicles
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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