Does pushing the crosswalk button actually make the light change, or is it just a psychological button?

Does pushing the crosswalk button actually make the light change, or is it just a psychological button?
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1 Answer

Answer :

In my city, some streetlights are set on timers (usually main streets with lots of motor vehicle and pedestrian traffic), some change the second you press the button (usually streets with lots of m.v. traffic and not much pedestrian), and some incorporate pedestrian walk-signals into the cycle after the button is pressed.
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