Here's how traffic lights actually work, and how they detect your car

A surprising amount of technology might be making that red light hold you up. Here's how traffic lights detect (or don't ...

Knox County traffic signals: How they work and who controls them

Knox County maintains roughly 93 traffic signals across its jurisdiction.
KSL

Why some traffic lights work better than others

SALT LAKE CITY — For anyone who's ever been frustrated waiting at a red light when no other cars are coming — this article is for you. Our KSL team has had its own frustration with lights that don't ...
SlashGear

The Ingenious Way Traffic Lights Worked Before Computers Were Invented

Today's traffic lights can be controlled by anything from standard traffic control computers to highly advanced AI-driven computer systems that are so "smart" they can predict what's going to happen ...
MLive

How does Ann Arbor’s new bus-priority traffic signal work? Here’s a closer look at it

ANN ARBOR, MI — Ann Arbor’s first dedicated bus lane with a transit-priority traffic signal has been in operation two months, giving northbound buses going straight or turning left an edge over other ...
Jalopnik

These Pedestrian Traffic Signals Are Confusing Drivers

There's a new pedestrian crossing signal in town. Rather than relying on long-standing laws requiring motorists to stop for pedestrians in a crosswalk, the Pedestrian Hybrid Beacon uses yellow and red ...