120Whenever special pedestrian-control signals, exhibiting the words “Walk”, “Passez”, “Don’t Walk”, “Ne passez pas”, or “Wait”, “Attendez”, are in place such signals shall indicate as follows:
(a)
“Walk”, “Passez”, — pedestrians facing such signal may proceed across the roadway in the direction of the signal and shall be given the right-of-way by the drivers of all vehicles, and
(b)
“Don’t Walk”, “Ne passez pas”, or “Wait”, “Attendez”, — no pedestrian shall start to cross the roadway in the direction of such signal, but any pedestrian who has partially completed his crossing on the walk signal shall proceed to a sidewalk or safety island while the wait signal is showing.