A fault with traffic lights in Wangford Road, Reydon, is causing traffic issues in the area.
In one direction, the lights are stuck on green, and the other direction on red.
The issue was reported to Suffolk police at 8.50am, and an officer has been sent to the scene.
It has caused a build up of traffic.
Motorists are urged to take extra care when travelling through the area.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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