A motorist exiting I-80 at the rest stop west of Minooka died Saturday morning August 10th. Illinois State Police investigating after 48-year old Steven Shambora of St. Charles was exiting on the ramp from westbound I-80 to the westbound rest area. A semi-tractor trailer was parked on the right shoulder of the ramp at the entrance to the rest area. For an unknown reason, the driver of the Toyota drove off the roadway and struck the rear of the semi-trailer. The driver (Shambora) was pronounced deceased at the scene by the Grundy County Coroner. The driver of the semi was not injured. The investigation continues.