A Cape County Private ambulance was involved in a crash on I-64 in St. Charles County Thursday night. The St. Charles County Ambulance District says two of their ambulances responded to the crash. Missouri State Highway Patrol says 21-year-old Samantha Sniadecki of Perryville fell asleep at the wheel. The crash report says the ambulance left the road, hit the cable median, went back on the road, then landed on its side. A 28-year old man in the ambulance, a 17-year-old woman in the ambulance, and Sniadecki were all taken to an area trauma center for treatment. The spokesman for St. Charles County Ambulance District says their injuries are not considered life threatening. It is unknown why the ambulance was in that area.