A jack-knifed transport has closed Highway 63 east of North Bay near Peninsula Road, North Bay OPP say.
There are no detours while heading east on the highway.
Westbound drivers are cautioned that Four Mile Lake Road, which could be used as a detour under good conditions, is in poor shape because of the snow. OPP are advising against using Four Mile Lake Road unless there's an emergency.
BayToday.ca will update this story as details become available.