(a) "WALK" or approved "Walking Person" symbol. A pedestrian facing the signal may proceed across the roadway in the direction of the signal, but shall yield the right-of-way to vehicles lawfully within the intersection at the time that signal is first shown.

(b) Flashing or steady "DON'T WALK" or "WAIT" or approved "Upraised Hand" symbol. No pedestrian shall start to cross the roadway in the direction of the signal, but any pedestrian who has partially completed crossing shall proceed to a sidewalk or safety zone or otherwise leave the roadway while the "WAIT" or "DON'T WALK" or approved "Upraised Hand" symbol is showing.