Those Black Boxes Near Traffic Lights Aren't Cameras – Here's What They Really Do

Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how traffic lights react to the road.
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What Are Those Little Cameras Above Traffic Lights Actually For?

Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...
SlashGear

Here's How Traffic Lights Actually Work, And How They Detect Your Car

The concept of the traffic light actually dates all the way back to the 1860s, where gas-lit signals were placed on the posh streets that lined the Houses of Parliament in London. Of course, back then ...
SlashGear

Researchers Suggest Adding A New Color To Traffic Lights – Here's What It Would Be For

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...
Popular Science

Some of the world’s smartest traffic lights are getting smarter

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Urban planners in Vienna, Austria, installed their first smart ...