Skip to Content
Komando picks

How traffic signals work

Traffic is one of life in big cities’ biggest frustrations. Sometimes we can spend hours just waiting in traffic to travel a seemingly short distance. But what have engineers done over the years to help alleviate this problem? Well, one of the first innovations in the arena of traffic management was traffic signals and the science and engineering behind them is pretty fascinating.

Watch next video Massive $9,000 Coke and Mentos experiment

New eBook: ‘Cryptocurrency 101’

Don't want to lose your dough to crypto? Check out my new eBook, "Cryptocurrency 101." I walk you through buying, selling, mining and more!

Check it out