We all know what a basic traffic light is supposed to look like. There are three colors — red, yellow, and green — and they're arranged in that order, either from top to bottom or left to right in a ...

You may have heard the term "Green Wave" in relation to traffic signals. Here's what it means, why cities do it, and what it ...

Close up of a traffic light with a bus priority light in a city - GrandRiverTransit/YouTube If you are in your car, driving through an intersection with traffic lights, you're accustomed to looking ...

Sometimes, the green light doesn't stay green long enough at an intersection when there's a lot of traffic. Other times, you're stuck at a red light with no traffic, wondering if it's ever going to ...

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 ...