The paper’s authors say the light doesn’t need to be white and can be any color (we vote purple). The researchers tested this system using microscopic traffic simulators, which are complex ...

The tricolor electronic traffic light has existed since 1914, and the color scheme is used the world over. So get ready for every old-timer to absolutely lose it over the IEEE's latest idea ...

A radically redesigned traffic light? Good luck getting that approved by your city transportation department before automobiles are replaced by flying cars. The color of Hajbabaie's robot light ...