Provincial police are investigating a multi-vehicle collision that killed a man in his 60s early Saturday morning.According to authorities, the crash happened at approximately 5:00 a.m. on the eastbound Highway 401, near Dixon Road.Investigators say the man was driving an SUV and was involved in a collision with a transport truck. When he got out of his vehicle to inspect the damage, police say he was then struck by a passing car.The man was taken to a hospital where he was later pronounced dead. Two other people from the scene were also transported to a hospital with injuries.Heavy delays are expected in the area while crews investigate and clean up debris.There is no access to the eastbound Highway 401 from the northbound Highway 427.