GRAND BLANC TOWNSHIP, MI – Police are investigating a single-car crash that left one person dead on I-475 south of Hill Road, Chief William Renye announced. A Kia driven by a 34-year-old Burton male left the roadway and the driver was pronounced dead at the scene, Renye said. Police believe the man was not wearing a seatbelt. One lane of southbound I-475 is closed while police continue their investigation.