You may have noticed some traffic lights with a white light that works independently of the others. They're not for normal ...

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 ...

Ah, the yellow light. You know, that signal that is supposed to let you know to slow down as you approach the intersection, but makes you speed up instead? You probably take it for granted, but ...

Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how ...