ISP are investigating a fatal crash that occurred on Route 29 heading towards Springfield on Saturday night. Illinois State Police say that the crash occurred on Illinois Route 29 near Tansey Road outside of Springfield in Sangamon County at around 2:37 AM. 45-year-old Christopher W. Jackson, of Springfield, was traveling southbound on Illinois Route 29 when for unknown reasons, the vehicle drove off the roadway to the left and struck a pole. Jackson, who was alone in the vehicle, was pronounced deceased. No further information is available.