Uber is testing its fleet of self-driving cars on the streets, bridges and hills of Pittsburgh, the ride-sharing company confirmed Wednesday…
… “That was challenging because you have to drive so much more aggressively,” said Stan Caldwell, executive director of Carnegie Mellon’s Traffic21 Institute and an adjunct associate professor of transportation and public policy. “To really advance this technology to where it needs to be, to where it is operated safely, you need to have it in these conditions.”