FILE - This Friday, Nov. 13, 2015 file photo provided by Virginia Tech shows Virginia Tech Center for Technology Development Program Administration Specialist Greg Brown behind the wheel of a driverless car during a test ride showing the alert system handing over automation to the driver, while traveling a street in Blacksburg, Va.
FILE - This Friday, Nov. 13, 2015 file photo provided by Virginia Tech shows Virginia Tech Center for Technology Development Program Administration Specialist Greg Brown behind the wheel of a driverless car during a test ride showing the alert system handing over automation to the driver, while traveling a street in Blacksburg, Va. Justin Fine AP
FILE - This Friday, Nov. 13, 2015 file photo provided by Virginia Tech shows Virginia Tech Center for Technology Development Program Administration Specialist Greg Brown behind the wheel of a driverless car during a test ride showing the alert system handing over automation to the driver, while traveling a street in Blacksburg, Va. Justin Fine AP