Wet road conditions contributed to a single-vehicle accident in Sullivan County Tuesday morning. State Troopers report 34-year-old Jeremy Clark of Green City was northbound on Missouri Highway 5, just north of Milan, when he hydroplaned and ran off the left side of the road. His vehicle went down and embankment, striking a fence and a tree. Clark had minor injuries and was taken to Sullivan County Memorial Hospital for treatment. He was wearing a safety belt.