A single vehicle accident early this morning in Lafayette County caused injuries to the driver.  According to the Missouri Highway Patrol,  Banjamin Harshner, 29, of Higginsville, Mo., driving eastbound on route FF at route E intersection, ran off the roadway.  After an over-correction the vehicle went off the left side of the road striking a fence and several trees, and coming to rest in a corn field.  Harshner, who was not wearing a safety device, was taken to Centerpoint Hospital for treatment of moderate injuries.  He was also issued citations for careless driving and for being under the influence of alcohol.