Paso Robles, CA -- A 21-year-old Paso Robles woman was killed when her vehicle hit a tree near San Miguel early yesterday morning. At about 2:15, she lost control of her vehicle after a sweeping right curve on northbound River Road. Her vehicle left the roadway at its east edge and then struck a large mature tree broadside. The CHP suspects she was killed by the impact. Medics pronounced the woman dead at the scene. Reportedly, she wasn’t wearing a seat belt. Next of kin have yet to be notified.