A roll-over accident in Buchanan County sent a St. Joseph woman to the hospital just after midnight Saturday morning.  The Highway Patrol reports 25-year-old Evan Woodruff of Savannah was southbound on Interstate 29 when he allegedly rear-ended the vehicle driven by 34-year-old Brie Phillips. Woodruff traveled off the roadway and overturned, coming to rest on its wheels. Phillips ran off the opposite side of the highway and struck a cable barrier. Evan Woodruff was not injured. Brie Phillips was taken to Heartland Regional Medical Center with moderate injuries.