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I think the figures are fairly impressive. It would be interesting to see how they correlate the the actual capability of the auto-drive itself. I mean, once every 5 miles on a motorway for a semi-autonomous lane-changer point-and-shoot system is good but then less impressive than, say, once every 0.5 miles by a full A-to-B sat nav style autopilot operating in a dense, urban jungle scenario with traffic lights every 50 yards, Lycra-clad couri-kazi pilots cycling zigzag between the gridlock, phombies walking across your path in full-on Oxford Street style and coping with a street scene having more visual clutter than the painted record of a fight between Jackson Pollock and Jean-Michel Basquiat.