21453.
(a) A driver facing a steady circular red signal alone shall stop at a marked limit line, but if none, before entering the crosswalk on the near side of the intersection or, if none, then before entering the intersection, and shall not proceed straight through the intersection, turn left, except from a one-way street onto a one-way street, or turn in a manner prohibited by a sign, until an indication to proceed is shown.(b) A driver facing a steady circular red signal alone shall, prior to turning right, or turning left from a one-way street onto a one-way street, stop at a marked limit line, but if none, before entering the crosswalk on the near
side of the intersection or, if none, before entering the intersection.
(c) A driver facing a steady red arrow signal shall not enter the intersection to make the movement indicated by the arrow and, unless entering the intersection to make a movement permitted by another signal, shall stop at a clearly marked limit line, but if none, before entering the crosswalk on the near side of the intersection,
or if none, then before entering the intersection, and shall remain stopped until an indication permitting movement is shown.
(d) Unless otherwise directed by a pedestrian control signal as provided in Section 21456, a pedestrian facing a steady circular red or red arrow signal shall not enter the roadway.
(e) A driver making a turn pursuant to subdivision (b) shall yield the right-of-way to pedestrians lawfully within an adjacent crosswalk and to any vehicle that has approached or is approaching so closely as to constitute an immediate hazard to the driver, and shall continue to yield the right-of-way to that vehicle until the driver can proceed with reasonable safety.