Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

How does a Traffic Signal Work?

April 26, 2017signal Traffic

0

Posted

How does a Traffic Signal Work?

1 Answer

0

Posted

It is easy to understand how a traffic signal works. A traffic signal works with sensors in the ground that are hooked up to a programmable logic controller or PLC for short. The PLC works the traffic lights exactly the way it was programed to do so.