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.