One person is dead and another is critically injured following a one vehicle accident early this morning on Interstate 40, six miles west of Weatherford, in Custer county. The Oklahoma Highway Patrol says 47 year old Kathy Quintero of Oktaha died at the scene of the accident. 69 Year old Bruce Quintero, also of Oktaha, was last listed in critical condition at O.U. Medical Center. Troopers say the pickup truck was westbound on I-40, departed the road and overturned several times, ejecting both occupants.