EE WAS ENROUTE TO THE SILO AREA AT APPROX 6:12AMWHEN SHE FELL ASLEEP & RAN OFF THE ROAD. SHE WASTRAVELING APPROX 10 MPH HIT A SMALL EMBANKMENT (2') HIGHT DROVE ALONG SIDE THE EMBANKMENT FOR ABOUT 10 FT BEFORE SHE CAME TO A STOP. SHE WAS DRIVING UNIT 301