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 ...
Jalopnik

The Potential Power Savings Of Expensive LED Traffic Lights May Be Worth It

LED signal lights generally carry a price tag several times higher than incandescent traffic signal bulbs. However, that hasn't stopped many cities from replacing their incandescent lights with LED ...
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 ...