LENEXA, Kan (KCTV) - This week, the Lenexa City Council approved an expansion of an AI traffic signal system across the city. The city has been testing the system at the 87th Parkway and Quivira Road ...

Here’s the truth that most drivers don’t think about: creating new traffic signals isn’t nearly as easy as it looks.

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

There aren’t a lot of U.S. roadways more challenging or potentially dangerous than Interstate 70 in Colorado. The highway tops out beneath the Continental Divide at an elevation of 11,158 feet. After ...

MOORHEAD — A federal grant awarded to the city of Moorhead gives the green light to a plan for greater cohesion between the streets and traffic lights of metro cities. The city of Moorhead was awarded ...

(WHTM/NEXSTAR) – On many traffic signals found throughout the United States, there is a small light that is placed in between or off to the side of the traffic signal lights. Sometimes you see them ...

If you’ve seen talk about a white traffic light or images of a signal with an unfamiliar fourth color, you’re not imagining it. With everything drivers already pay attention to at intersections, ...

Boston and MBTA officials are making a change to how traffic signals work across the city, implementing a system that's intended to significantly reduce delays for bus transportation. Transit signal ...

NASHVILLE, Tenn. (WKRN) — After collecting data from more than 100 signals in the downtown area, Nashville Department of Transportation and Multimodal Infrastructure officials have started rolling out ...

With LRT vehicles set to get priority at intersections along both Finch and Eglinton, will drivers be left in the dust as trains speed by?