Does pressing the walk button do anything?
Pushing the pedestrian button is beneficial when no vehicles are coming, as it registers to the traffic light that a pedestrian wants to cross, so it will change or hold a green light for the needed amount of time to walk across.
What is a beg button?
A “beg button” is a button that one pushes to obtain a green signal at a traffic light. Some traffic signals are fixed time, meaning they change automatically. Some are activated, meaning they stay green for one direction until a user activates it for another direction.