One person sustained serious injuries as a result of a collision that closed Highway 17 near Dryden for several hours on Sunday.
The OPP say the accident took place shortly after 9 am about 20 kilometers west of Dryden.
Three semi-transports were involved in the crash.
The Trans-Canada was closed all day Sunday and finally reopened around 3 am Monday.
An investigation into the collision is still ongoing.
