Ontario Provincial Police are investigating a fatal collision involving a Rockwood man.
First responders were called to Highway 7, between Side Road 22 and Trafalgar Road in Halton Hills, early Friday afternoon.
One vehicle had hit a fence and flipped over, coming to rest on its roof.
OPP said a 78-year-old man from Rockwood, who has not been identified, was pronounced deceased.
No further details have been shared about the cause of the crash.