22500. No person shall stop, park, or leave standing any vehicle
whether attended or unattended, except when necessary to avoid
conflict with other traffic or in compliance with the directions of a
peace officer or official traffic control device, in any of the
(a) Within an intersection, except adjacent to curbs as may be
permitted by local ordinance.
(b) On a crosswalk, except that a bus engaged as a common carrier
or a taxicab may stop in an unmarked crosswalk to load or unload
passengers when authorized by the legislative body of any city
pursuant to an ordinance.