Oregon State Police (OSP) is continuing the investigation into Monday evening’s fatal crash on Highway 350 in Wallowa County. On February 8, 2016 at approximately 5:33 p.m. OSP troopers and emergency responders were dispatched to a single vehicle injury crash on Highway 350 near milepost 21. Once on scene, troopers determined that a 1999 Toyota Camry, operated by Kenneth Allen, age 80, from Imnaha, was eastbound on Highway 350 when for unknown reasons left the roadway and collided with a rock wall. Mr. Allen’s vehicle continued and came to an uncontrolled rest in Sheep Creek. Kenneth Allen and his passenger Carolyn Allen, age 76, from Imnaha, were both transported by Life Flight Network to Providence Saint Mary’s Medical Center in Walla Walla, Washington. Once at the medical center Kenneth Allen was pronounced deceased from injuries sustained in the crash. Carolyn Allen is being treated for serious injuries. OSP troopers from the Enterprise Work Site are continuing the investigation into the cause of the crash. Seatbelt usage is undetermined.