Section 1152. Crossing at other than crosswalks

(a) Every pedestrian
  crossing a roadway at any point other than within a marked crosswalk  or
  within an unmarked crosswalk at an intersection shall yield the right of
  way to all vehicles upon the roadway.
    (b)  Any  pedestrian  crossing a roadway at a point where a pedestrian
  tunnel or overhead pedestrian crossing has been provided shall yield the
  right of way to all vehicles upon the roadway.
    (c) No pedestrian shall cross a roadway intersection diagonally unless
  authorized by official traffic-control devices; and, when authorized  to
  cross  diagonally,  pedestrians  shall cross only in accordance with the
  official traffic-control devices pertaining to such crossing movements.