Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.

Red universally symbolizes danger, making it the obvious choice for the "stop" signal. Psychologically, this bold color ...

SCRANTON – In the works for years, plans to upgrade traffic light signals at three busy intersections finally have a green light to move ahead. In recent years, the state Department of ...

A grant-funded project to update Hanover's Center Square traffic signals begins later this year, and includes removal of the ...

OTTAWA — The region’s cold snap may have left some hesitant about working out in the elements over the past few weeks, and that apparently included some traffic light control panels. Earlier in the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. MOBILE, Ala. (WKRG) — The City of Mobile is moving forward with the next phase of its multi-year traffic light project, this time ...

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These different shapes have been around certain parts of Canada directing traffic for decades. However, they are being slowly phased out for round ones.