M City sounds like something out of a Bond film, but it's being built right now and soon it will be crawling with driverless cars and robot pedestrians. The 32-acre facility will open this summer at the University of Michigan's Mobility Transformation Center, testing the latest in autonomous technology as well as vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications. M City will put autonomous cars through their paces in a fake city with over 40 phony buildings, five-lane roads, roundabouts, a bridge, tunnel, gravel roads, traffic signals, construction barriers, obstructed views and even a highway entrance ramp. Proving autonomous technology is safe, without any blood loss, is the goal. The stakes are high. A report from McKinsey & Co. estimates that widespread adoption of autonomous cars would reduce accidents by 90 percent, which would drop property damage and medical costs by $190 billion a year. The report predicts that as accidents drop off, rates for insuring new cars will drop dramatically, with insurers shifting their focus from driver-induced accidents to technical failures.