Injuries were deemed serious after a motorcycle crash near Flesherton.
Emergency crews were called to the single-vehicle collision on Highway 10 between Artemesia Southgate Townline/Grey Highlands Road 190 and Sideroad 200 around 6 p.m. on Sunday.
OPP said one person suffered serious injuries and was taken to hospital for treatment.
The crash kept the the section of Highway 10 closed for just over two hours. It was reopened around 8:15 p.m.
The investigation into the cause of the collision is ongoing.