The Illinois State Police out of District 13 reported a single vehicle personal injury traffic crash in Washington County on Interstate 64 at mile post 60.5 in the west bound lanes at 1:45 PM yesterday.  According to the preliminary investigative details a vehicle driven by 63-year old Allan C. Snyder of Seymour, Indiana, was west bound on the Interstate in the passing lane.  An unknown vehicle changed lanes from the driving to the passing lane in front of Snyder and he overreacted and swerved into the median to avoid striking the vehicle.  Once in the median, Snyder’s vehicle went down an embankment where the interstate passes over a rail road.  The vehicle rolled over as it went down the embankment and came to rest on its top.  The interstate was not closed as recovery efforts were conducted from the rail road right-of-way below the interstate.  Snyder, sustained minor Injuries and was transported to a local hospital via ambulance.  No charges have been filed.