Oklahoma State Troopers are investigating a single vehicle crash that killed one woman and injured two others. It happened Saturday night on Hwy 3 about 6 miles from Broken Bow. Investigators say a vehicle driven by 25 year old Katreece Cobb ran off the road and hit a tree. One of her passengers, 25-year-old Devin Bunch was pronounced dead at the scene. Cobb and another passenger, 29 year old Jessica Janes were transported to a hospital in Tulsa where they were listed in stable condition.