PLATTE COUNTY — A Chillicothe woman was injured in a one-vehicle accident Sunday evening. According to a Missouri State Highway Patrol report, Christy Wiegand, 18,  drove her vehicle off the right side of the road and struck two delineator posts. After impact, she over corrected, causing her Chevy Cobalt to travel off the left side of the roadway, then across the right side of the road, down an embankment, then hitting two trees before stopping. The accident happened around 5:30 p.m. Sunday. Wiegand was transported by ambulance to North Kansas City Hospital with moderate injuries.