The motorcyclist struck a car from behind as that car stopped before making a turn. MARION COUNTY, FL (352today.com) – A 68-year-old motorcyclist from Dunnellon was killed yesterday in a collision along U.S. 41 in Marion County. The motorcyclist was unable to stop in time and collided with the rear of the sedan. The motorcyclist was not wearing a helmet at the time of the collision, according to the report. According to available information, this is the 13th motorcycle fatality in Marion County so far in 2026.