Reading the road is often front and center when it comes to self-driving technology, but it will also be important for cars to look up at the lights.

That’s the idea behind a new partnership between the District Department of Transportation and Audi. The automaker has a platform on some 2017 and 2018 models that allows the cars to “talk” to infrastructure on the roads.

According to DDOT, D.C. is now joining a group of six other cities with traffic signals that support the Traffic Light Information technology. Since humans still have to drive, the tool provides a countdown that’s shown on the dash.

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