California Robots May Soon Hit The Road

Driving in California could soon mean seeing signs that say "Robots Working." The California Transportation Dept. and the University of California at Davis are developing robotic road-maintenance systems that may save money, reduce congestion, and prevent worker accidents. The first robo-repairer, which should be road-ready next year, uses lasers to spot cracks between the pavement and the shoulder. It then dispenses the right amount of patch material. A single worker can operate it.

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