Traffic Light Information predicts time-to-green for fixed and variable-duration lights. It's the first application of V2I, Audi says. Share on Facebook (opens in a new window) Share on X (opens in a ...

Traffic lights are an integral part of maintaining order among vehicles, cyclists, and pedestrians. And while an agreement has been in place since the late 1960s standardizing intersection lights ...

Audi V2I feature gives drivers a countdown until the light turns green. At long lights, it reduces stress. With Washington, it's now in nine cities. Share on Facebook (opens in a new window) Share on ...

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.