This book presents selected proceedings from the 11th International Conference on Transportation Systems Engineering and Management (CTSEM 2025), offering insights into the latest advancements in transportation planning, traffic engineering, and sustainable infrastructure. It covers key topics such as urban and regional transportation planning, public and mass transit systems, and the application of ML and AI in traffic management and transportation systems. This book also explores innovations in pavement materials, design, and construction, emphasizing sustainable practices and the use of recycled and alternative materials. Further, it addresses critical aspects of road safety, traffic flow modeling, and the evaluation, rehabilitation, and maintenance of transportation infrastructure. Special focus is given to the environmental impact of transportation project, including air and noise pollution, and lifecycle assessments. Contributions from experts offer practical solutions for enhancing infrastructure resilience and efficiency, especially in the context of helping countries like India. This book serves as a comprehensive reference for professionals, researchers, and policymakers working to shape the future of transportation systems.