The OPP still have Highway 7 closed west of Marmora, after a tractor trailer jack-knifed Tuesday.
Crews were called around 8 a.m. to the Trans-Canada Hwy between Marmora and Havelock, where the truck flipped onto its side, closing both lanes of traffic.
Vehicles are being re-routed between the 4th and 3rd Line of Belmont.
No word on injuries at this time.