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Smart Road 'Talks' to Cars, Warns of Dangers

How would you drive differently if traffic signals could tell you when they were about to turn red? Or, if your car could warn you of a pedestrian crossing the road ahead of you? Researchers are working on these advances on what’s called a “Smart Road” in Virginia. Inside the car as the driver gets a warning that a construction worker is ahead. The driver knows because of high-tech devices that “talk” to the car. A backpack worn by the construction worker has a GPS antenna. It’s...

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