While some states scramble to get a handle on the sudden appearance of autonomous vehicles on their roads, Pennsylvania's had time to think about the challenge. Thanks to the Pittsburgh robotics hub around Carnegie Mellon University, robocars have been plying the Keystone State's roads since at least a 2013 demonstration drive. Recorded live at the state's annual Autonomous Vehicle Summit, Ed moderates a discussion about the lessons learned with state Secretary of Transportation Leslie Richards and Ehrlichman Group CEO and returning Autonocast guest Courtney Ehrlichman.