You are onboard with David Vodden, president and CEO of Thunderhill Raceway Park, west of Willows as he drives a 2009 Audi TTS around the track while wired to computers monitoring his brain waves and driving habits. The data was collected as part of Stanford University's testing of the autonomous vehicle that later made its own lap of the 15-turn, 3-mile course, reaching a top speed of 120 miles per hour without anyone in the vehicle.

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