What is the history of traffic lights?

Can you tell me about the history of traffic lights?

Sure! The first traffic light was installed in London in 1868, but it was gas-powered and exploded.

When did electric traffic lights become common?

Electric traffic lights became common in the early 20th century, with the first electric signal installed in 1912 in Salt Lake City.

What are the different colors of traffic lights and their meanings?

Traffic lights typically have three colors: red means stop, yellow means caution, and green means go.

How have traffic lights evolved with technology?

Traffic lights have evolved to include smart technology, allowing for adaptive signal control and better traffic management.