Robot roll out

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The idea of fleets of robotic traffic cones swarming onto a highway, closing down lanes and slowing the flow sounds like a driver's bad dream. But such self-propelling road markers have already been wheeled into action. Directed via a laptop computer, the lead robot correctly positions itself using GPS. Its herd of followers then troop along behind. The robots are a bid to help reduce the $100 billion per year that the US Department of Transportation estimates is lost through accidents and delays caused by highway lane closures... Read More