The Highway Patrol investigated an accident in Saline County Saturday afternoon on Highway 240 near West 240th. According to the report,  Chelsea McMillan, 16, of Glasgow was Eastbound when she ran off the edge of the roadway and over-corrected, crossing the roadway and overturning. A passenger in the vehicle,  Danielle Ross, 15, of Slater was treated at the scene for minor injuries and released.