Whenever special pedestrian-control signals exhibiting the words “Walk” or “Don't Walk” or the illuminated symbols of a walking person or an upraised palm are in place, these signals shall indicate as follows.
(A) “Walk” or walking person symbol. Pedestrians facing this 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.
(B) “Don’t Walk” or upraised palm signal. No pedestrian shall start to cross the roadway in the direction of this signal, but any pedestrian who has partly completed his or her crossing on the “Walk” signal or upraised palm symbol shall proceed to a sidewalk or safety island while the “Don't Walk” signal or upraised palm symbol is illuminated, steady or flashing.
(625 ILCS 5/11-307) Penalty, see § 70.999