A “white light” added to traffic signals could enable self-driving vehicles to help control traffic flow—and let human drivers know what’s going on. In computational simulations, the new approach ...

Traffic lights might seem like they let cars stop or go randomly, but that's not always the case. Many of them use special sensors that detect vehicles.

What do you think of a fourth traffic light color being added to traffic signals for self-driving vehicles to help control traffic flow? I get that one day a bunch of connected autonomous cars may ...

Have you ever wondered how traffic lights know when to give you a signal? Reader Nick Shepard asked Bee Curious, a community-driven series in which The Sacramento Bee’s service journalism team answers ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

SCRANTON – In the works for years, plans to upgrade traffic light signals at three busy intersections finally have a green light to move ahead. In recent years, the state Department of ...

MADISON, Wis. -- The City of Madison received a grant from the Carbon Reduction Program that allows for a five-year plan to update the city’s traffic lights and signals. This project to "switch the ...