From the report that the fortune.com article links to:<p>&gt; In 10 of the 13 simulated contact events, the SDC’s predicted behavior would have, in simulation, caused contact (though 2 of these involved simulated contact with traffic cones).<p>The 13 events happened in the 15 months from September 2014 to November 2015 (both incl).  424,331 miles driven.<p>Can the average driver drive 30,000 miles without making contact with a traffic cone or another car?