German carmaker Audi is equipping some of its 2017 models in the United States with technology that will communicate with traffic signals. Information from the signals will let drivers know exactly when the light will change color. The technology is known as vehicle-to-infrastructure. It lets traffic signals and other infrastructure send safety and operations information wirelessly to vehicles. The equipment will be included on Audi’s Q7, A4 and A4 “Allroad” models built after June 1, 2016. The service is set to begin this year in at least five “smart” American cities. These include Las Vegas, Nevada, Seattle, Washington, and Washington D.C. The information will come from government agencies that already collect data to predict and oversee traffic flow.