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

Traffic engineers are quietly working on a radical idea: adding a white signal to the familiar red, yellow, and green. Instead of signaling drivers directly, the extra light would tell humans when to ...

Seeing a camera at a stoplight doesn't automatically mean you're being ticketed. Many intersections use similar hardware for ...

Drivers react as Caltrans rolls out AI-controlled traffic lights along Highway 68 corridor ...

You notice changes to traffic lights can affect everyone on the road — especially when […] ...

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 ...

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

OTTAWA — The region’s cold snap may have left some hesitant about working out in the elements over the past few weeks, and that apparently included some traffic light control panels. Earlier in the ...

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 ...