Dutch cities are famous for keeping traffic flowing smoothly, and smart traffic light design is a big reason why. This video ...

Over time, the big, clunky “gumball” lights were replaced with sleeker, more advanced light bars. Today’s police vehicles use ...

Drivers traveling along South Rampart across Canal Street have just 10 seconds to make it through the stoplight.

“An unmarked Kansas Highway Patrol vehicle equipped with operable emergency equipment, as designated by state law, can ...