A one-vehicle accident in Saline County left a Nelson teen with moderate injuries Sunday afternoon.  According to the Highway Patrol, the accident occurred as 16-year-old Samuel Howery was driving Westbound on Mount Olive Road wen he traveled into a rut in the roadway causing the driver to overcorrect.  Howery then traveled off the right side of the roadway, hit an embankment, overturned and then returned to the roadway.  He was transported to University Hospital in Columbia.