The southbound collector lanes of Highway 400 in Vaughan have reopened after being closed during Wednesday afternoon rush hour due to a collision.

Ontario Provincial Police say a dump truck was involved in a single-vehicle crash on the highway near Highway 7.

The collision resulted in a diesel spill, forcing the closure of the collector lanes, OPP say, adding that a highway barrier was also damaged and needed to be repaired.

The highway reopened just before 7 p.m.

Meanwhile, the driver of the truck was transported to the hospital with minor injuries.

The cause of the crash is unknown.