RCMP were on-scene of a serious crash involving two semis near Balgonie Thursday.
The call game to responders shortly after 3 a.m.
Police said motorists could expect delays early morning Thursday morning as the westbound lanes on Highway 1 between Balgonie and White City were fully blocked.
No one was killed in the crash and four people were taken to hospital as a precaution.
One of the westbound lanes was opened by RCMP around 7:45 a.m.
A 980 CJME listener said there was thick fog in the area early Thursday morning.