On 09-11-2018, at approximately 1:50 a.m, the Yuba-Sutter CHP office was advised of a collision involving a pedestrian on SR-99 south of Lincoln Road. Investigators found 29 yr old Audrey Dell Rome from San Francisco in the center divider of SR-99. Rome had been walking south on SR-99 south of Lincoln Road, within Sutter County. Rome was struck by an unknown vehicle which pushed her into the asphalt center divider of SR-99. The unknown vehicle then fled the scene. Rome sustained major injuries as a result of this collision and was transported to Rideout Hospital. This investigation is ongoing. Any/all witnesses to the collision are encouraged to contact the CHP-Yuba/Sutter Area office at (530) 674-5141 (Attn: Officer J. Karakas).