TopHot
The History Of The Traffic Light Is A Lot More Complicated Than You Think
The History Of The Traffic Light Is A Lot More Complicated Than You Think Traffic lights are both common and controversial. From a city that only allowed green lights for drivers staying inside the speed limit, to the ethics of turning right on red, there are a ton of ways these simple devices affect our lives. But how did it come to be?
Read more...
Category:
