Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

What you need to know: While the outcome is not always optimal, the intent is often to manage queues, prevent spillbacks, and ...

Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

Busy roads, expanding cities, and constant infrastructure upgrades mean traffic control is more important than ever. Whether it is a construction site, temporary roadwork, an event, or an unexpected r ...

Many of us dread having to go through that poorly timed intersection in our area where the light is red for several minutes, turns green just long enough to let maybe three cars through, then changes ...

THE WHITE HOUSE. ONE OF THE BIG COMPLAINTS ABOUT TRAFFIC PROBLEMS IN BALTIMORE COMES DOWN TO THE TRAFFIC LIGHTS. TURNS OUT THERE’S A VERY GOOD REASON WHY WBAL TV 11 NEWS INVESTIGATES REQUESTED ...