Virtual Traffic Lights Could Revolutionize City Driving

The average American worker spends almost half an hour commuting each day, but virtual traffic lights could cut that almost in half. If traditional traffic lights were replaced with virtual ones, the results could include not only a reduction of up to 40 percent in urban workers' commute times, but also lower carbon emissions, less congestion and fewer accidents, a study from Carnegie Mellon University suggests. "These systems could be made even smarter and more efficient," said tech analyst Roger Kay.



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