Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how ...
A century ago, if you stopped at a traffic intersection you had just two options: stop and go. After witnessing a deadly crash between a horse-drawn carriage and a car, inventor Garrett Morgan thought ...
Add Yahoo as a preferred source to see more of our stories on Google. While we may be used to seeing cameras on top of traffic lights at major intersections, they're used for more than simply watching ...