Following his remarks on the future of transportation during the White House Frontiers Conference in Pittsburgh last week, Secretary of Transportation Anthony Foxx sat in a conference room on the campus of Carnegie Mellon University. Around the corner from his location, ride-hailing company Uber picked up passengers in an autonomous vehicle. Down the road, dozens of traffic lights that incorporate artificial intelligence and real-time sensor data provided smoother traffic flow for motorists and trimmed their travel times by nearly a third.