the CHP says 1 woman was killed and three others injured in a multi vehicle accident that closed a portion of Hwy 99 just North of Chico on Tuesday Afternoon. The CHP said four vehicles were involved in the crash, including three cars and a big rig. THe Hwy was closed for most of the afternoon and evening. The investigation is ongoing to determine why the woman swerved in to the other lane causing the Accident. Officials arent saying if it was Distracted Driving or if she was under the influence.