California Vehicle Code definition of
CVC Section 467. (a) A "pedestrian" is any person who is afoot or who is using
a means of conveyance propelled by human power other than a bicycle.
(b) "Pedestrian" includes any person who is operating a
self-propelled wheelchair, invalid tricycle, or motorized quadricycle
and, by reason of physical disability, is otherwise unable to move
about as a pedestrian, as specified in subdivision (a).