Introduction.- The Challenges for Automated Driving Systems Realization in Japn: SIP-adus.- U.S. Policy and Regulation of Automated Vehicle.- Regulation of in-service safety risks of automated vehicles.- Local Roadmaps for Autonomous Vehicles: Guidance for High-Impact, Low-Cost Policy.- Artificial Intelligence for Autonomous Vehicle Control and Traffic Operations: Challenges and Opportunities.- Autonomous Shuttles and Buses: From Demonstrations to Deployment.- Future Threats to Connected and Automated Vehicles.- Generic Cooperative Adaptive Cruise Control Architecture for Heterogeneous Strings of Vehicles.- Public and Private Sector Collaboration to Advance Automated Driving Systems Testing and Deployment.