Police are investigating a car crash in Severn Township that left one man dead and three others injured. Early yesterday morning, Orillia OPP was called to Burnside Line and Division Road.  When officers arrived they found a dump truck and a car in the ditch. The man driving the car was confirmed dead at the scene. Meantime, one male passenger was taken to a Toronto area trauma center, while another male and female passenger was transported to a local area hospital. The driver of the dump truck was not injured.