Traffic is moving normally again on Highway 17 east of Kenora.
The OPP closed the Trans-Canada overnight following a single vehicle accident just east of the Highway 71 intersection.
Police there was a rollover in the area around 1:00.
One lane of traffic was finally opened shortly before 5:00 and both lanes were re-opened around 7:30.
So far there has been no indication whether there were any injuries in the collision.