(Washington County, MO.) A one vehicle traffic accident in Washington County Wednesday afternoon injures a Potosi woman. Troopers with the Highway Patrol says 52 year old Mary C. Gamble, was driving south on Highway 21, at Meadows Hills about 3:30, when she tried to avoid an object in the road. Her vehicle ran off the right side of the highway and crashed into an embankment, flew through the air, and then smashed into a utility pole. Gamble was wearing her seatbelt when the wreck took place. She was taken to Mercy Hospital South.