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Do those "PUSH BUTTON FOR WALK SIGNAL" buttons really work?
I've been told both ways: 1) that those little red pushbuttons mounted on pedestrians' STOP and WALK signal poles have no effect on the duration on stoplights and are put there to "pacify" impatient pedestrians; and 2) that they do indeed shorten the time a pedestrian has to wait for the light to change. What's the truth?
They "have no effect on the duration on stoplights".
They make the light "system" know you are there and you are likely a pedestrian, as you pushed the button.
The system knows that on it's next sequence of change, it must also engage the WALK signal, and does so for a timed limit.
If the button isn't engaged, and no vehicle has tripped the sensor going your direction, then the signaling system will follow it's "default" pattern.
On a major street meeting a minor street, this default pattern is usually a continuous green on the major street.
So, 'those "PUSH BUTTON FOR WALK SIGNAL" buttons really work' -- as intended -- but not as a master control.
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