This book offers a timely snapshot of research and development in rail vehicle dynamics. Gathering a set of peer-reviewed contributions to the 28th Symposium of the International Association of Vehicle System Dynamics (IAVSD), which was held on August 21-25, 2023 in Ottawa, Canada, this first volume of the proceedings covers a broad range of topics relating to rail vehicles. Topics covered include modelling and simulation as well as design, control, and monitoring of rail vehicles and strategies to improve safety, performance, and ride comfort, among others. Overall, this book provides academics and professionals with a timely reference on state-of-the-art theories and methods that can be used to understand, analyze, and improve rail vehicle safety and performance in a wide range of operating conditions.