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Connected and Automated Vehicles (#CAVs) represent a new era in transportation, promising advancements in mobility, safety, and efficiency. As these vehicles cross international boundaries, they encounter varying communication standards, policies, regulatory frameworks, and data privacy requirements. These variations can create challenges, as different jurisdictions often require distinct approaches to vehicle and application security and privacy. There is a need to define interoperable standards and approaches that allow these vehicles to communicate seamlessly across borders. Information such as real-time traffic updates, safety alerts, emergency vehicle pre-emption, intersection collision avoidance, and pedestrian safety enhancements must remain accurate and trustworthy. Vehicle and user data must be handled in accordance with applicable privacy requirements for any given jurisdiction. All of this is critical to enable safe and secure vehicle operation. Introducing a global standard for trusted CAV interoperability will ensure vehicles operate consistently, regardless of jurisdictional boundaries. Harmonizing trusted communications facilitates secure interoperability across borders, setting the stage for an integrated global transportation network. This foundational work paves the way for the future, where secure and efficient autonomous vehicles seamlessly navigate our world. Keep an eye out as the IEEE 1609.2.2 draft specification continues to mature with the goal of defining new approaches to enabling multi-jurisdictional trust while using IEEE 1609.2 certificates. 

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