That Viral Video Of A Tycoon Driving At Speeds Over 250 Miles Per Hour On Public Roadways Is Quite Hair Raising, Even For AI Self-Driving Cars Tycoon driving a pricey sports car, a Bugatti Chiron, opted to drive over 250 miles per hour on a public roadway, raising interesting facets about AI self-driving cars and coping with nearby speedy human-driven cars.