Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how traffic lights react to the road.

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 ...

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 ...

For the first time in nearly 30 years, the City of Minneapolis is fine-tuning all of the roughly 800 traffic lights throughout the city. By counting traffic and adjusting the timing of the lights ...

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 ...

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

A new traffic signal system designed by University of Michigan researchers is being implemented in Oakland County, with plans to expand across Southeast Michigan. The system uses GPS data to track ...

Traffic Lights: If you stop at a traffic signal, you will always see the same three colours — red, yellow and green. While modern technology has transformed vehicles and roads, traffic lights across ...

LEXINGTON — Lexington's automated traffic-light system, which became fully operational in November after 10 years of installation, is already being credited by town officials with having helped ease ...