News tagged with traffic light

US, university test cars that can communicate

In a few weeks, about 2,800 cars, trucks and buses will start talking to each other on the streets of Ann Arbor, Michigan, in a giant experiment that government officials are hoping will lead to safer roads.

dateAug 21, 2012 in Engineering
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The traffic light turns 100

100 years ago, on August 5, 1914, the first electric traffic light was installed on a city street in Cleveland, Ohio. Siemens entered the business ten years later, when the first traffic light tower from Siemens was installed ...

dateAug 06, 2014 in Engineering
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What causes traffic gridlock?

Everyday life enters a different phase on the Tuesday after Labor Day, the unofficial start of autumn in the United States. As students and employees return from vacation, and vehicles fully flood roadways once again, drivers ...

dateSep 07, 2011 in General Physics
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