Google turns its AI on traffic lights to reduce pollution

Read the full story at Engadget.

Poorly timed traffic lights don’t just waste precious minutes. Like Google’s chief sustainability officer Kate Brandt pointed out at a media event yesterday, they’re also bad for the environment and public health. The company unveiled a slew of sustainability-centric products and updates today that aim to help users make more informed, environmentally friendly decisions. But it’s also been working on a project that could use AI to make traffic lights more efficient and, as a result, decrease pollution in general. 

When your vehicle stops at an intersection, that idling time leads to wasted fuel and “more street-level air pollution,” Brandt said. Google’s new project would use AI to measure and calculate traffic conditions and timing at a city’s intersections, then time them more efficiently. Brandt said one of the company’s AI research groups has been able to accurately calculate and gather this data and train a model to optimize inefficient intersections. 

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