(FABIUS TOWNSHIP) - A Kalamazoo man was flown out on Friday morning after his car crashed into a semi tractor trailer on M-60 near Roberts Road in Fabius Township. Witnesses told the Michigan State Police that 72-year-old Ronald Heath crossed the center line for an unknown reason and struck the semi at about 8:50am. The driver of the semi, 40-year-old Richard Trethway, tried to avoid the collision but was unsuccessful. Heath was eventually flown by West Michigan Air Care to Bronson Hospital in Kalamazoo. Trethway was treated at the scene and released. The accident is still under investigation. Troopers were also assisted by the Fabius Park Fire Department and Three Rivers Ambulance.