Longitudinal Train Dynamics: Fundamentals and Applications offers a comprehensive exploration of the principles and practical applications of longitudinal train dynamics, drawing upon the authors' more than 60 years of combined research and expertise.This book serves as an authoritative text that bridges theoretical knowledge with practical application, delivering valuable insights for engineers, researchers, and practitioners involved in railway systems design, operation, and analysis. It equips readers with the tools and understanding necessary to address the complexities of train dynamics, enhancing the efficiency, safety, and reliability of rail transport. The book is structured into two main parts, "Fundamentals" and "Applications", making it accessible to both newcomers to the field and experienced professionals seeking to deepen their understanding or apply the concepts to real-world scenarios.This text caters to the needs of both postgraduate students and professionals who require specialized knowledge in heavy haul train braking dynamics.