Whenever an official traffic control signal exhibiting an approved “Walking Person” symbol, an approved “Upraised Hand” symbol, or the words “WALK” or “WAIT” or “DON'T WALK” is shown concurrently with official traffic control signals exhibiting the words “GO” or “CAUTION” or “STOP” or exhibiting different colored lights successively, one at a time or with arrows, a pedestrian facing those traffic control signals shall obey the “Walking Person,” “Upraised Hand,” “WALK” or “WAIT” or “DON'T WALK” control signal as provided in Section 21456.