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Transportation

Audi Cars Now Talk To Stop Lights In Vegas (ieee.org) 99

Audi says its cars can now tell drivers how many seconds remain until the traffic light turns green. It's the first commercial offering of vehicle-to-infrastructure communication in the United States, it adds. From a report, submitted by an anonymous reader: Of course, nobody would pay much extra for an electronic gadget that just lowered your stoplight waiting anxiety. But this feature is just testing the waters; bigger applications are in view. The cars -- recently manufactured Audi A4 and Q7 models signed onto Audi's prime connection service -- communicate with the Las Vegas traffic management system via 4G LTE, the standard mobile phones use. The countdown appears on the dashboard or heads-up display, then shuts off a few seconds before the light changes (presumably to keep drivers from getting mesmerized). Audi manages the transfer of data with the help of its partner, Traffic Technology Services (TTS), of Beaverton, Ore. The plan is to eventually give drivers the information they need to make fairly ambitious predictions, like choosing the right speed to go sailiing through several green lights in a row. Or the system might bypass the driver and go straight to the engine's "start-stop" system, shutting it down for a long count, then starting it up again seconds before getting a green light.

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