Every time we stop at a red light, wait patiently for green, or slow down on yellow, we’re participating in a system that quietly keeps billions of people safe. But have you ever wondered who invented ...

Small cameras mounted on top of traffic lights have become a pretty common sight in the U.S., as they can be found in almost every state. It continues to get more common, as the number of traffic ...

New Orleans commuters who drive along South Rampart Street through its intersection with Canal Street may have noticed the traffic light's abrupt cycle — switching from green to red in mere seconds. A ...