Advances in Transportation Cybersecurity and Resiliency provides a definitive, multi-layered roadmap for securing the next generation of mobility against critical vulnerabilities in vehicle and infrastructure networks arising from the rapid expansion of connected and autonomous transportation. The volume addresses these threats to operational safety by delivering a comprehensive examination of state-of-the-art attack modeling, AI/ML-enabled detection, and mitigation techniques for cyber-physical attacks, utilizing simulated and real-world testbeds to verify system resilience. By bridging insights from leading researchers in academia, industry, and government, the book provides professionals and public agencies with actionable strategies for building trustworthy, zero-trust mobility ecosystems. It further serves as a foundational graduate textbook for courses in Cyber-Physical Systems Security and Intelligent Transportation Systems, equipping students with the technical depth required to secure critical infrastructure in an era of rapid automation.