When it comes to waiting at a crosswalk, I have a habit of pressing the button multiple times. It’s a reflex – once when I first arrive, again after waiting for a few minutes, and at least three more times until the lights finally change. In my mind, it somehow speeds up the process. But according to a TikToker named Traffic Light Doctor, it turns out that pressing the button repeatedly doesn’t actually make a difference.
While scrolling through my TikTok feed this morning, I stumbled upon an interesting clip from Traffic Light Doctor. Steven Harmon, the man behind this TikTok account, reveals fascinating secrets about roadway and lighting infrastructure in the US.
In the video that caught my attention, Harmon explains the intricate process that takes place when you press the button to cross a road at an intersection.
According to Harmon, when you press the button at a crosswalk, it sends a signal to a logic board in a nearby control box. This control unit, which is responsible for managing movement at the intersection based on input from pedestrian buttons and sensors, receives the signal.
The signal then alerts the control unit that someone is waiting to cross. This is
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