Traffic is queuing both ways after a police incident between Pig Lane and Somersham Road junctions in St Ives this morning.
Saint Audrey Lane and Needingworth Road on the A1123 in St Ives currently have restrictions, and disruption to traffic is listed as medium.
Motorists are being advised to use alternative routes.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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