Road repairs take to the air

Automated road repairs using 3D printing could save money and reduce disruption, reports Kristina Smith

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It’s the middle of the night and in the street below a team is busy carrying out repairs to the road surface. But there isn’t a human in sight.

A road-repair drone has landed at the site of a crack and a 3D asphalt printer is now busy filling in that crack. A group of traffic cone drones have positioned themselves around the repair location to protect the repair drone and divert traffic around it.

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