This book is a collection of original peer-reviewed papers presented at the 2025 3rd International Conference on SmartRail, Traffic and Transportation Engineering, which is organized by Fujian University of Technology and Beijing Jiaotong University, and held on October 31-November 2, 2025, in Pingtan Island, China. It delves into key areas of transportation engineering, including Intelligent Transportation, Cooperative Control, Intelligent Rail Transit, Transportation Organization, Advanced Rail Vehicle-Track-Bridge Systems, AI and Big Data Applications in Transportation, Optimization and Control in Intelligent Networks as well as Green and Sustainable Transportation Systems. The book provides valuable insights into the latest advancements and trends in transportation engineering and technology, with a particular emphasis on smart and sustainable transportation. As a comprehensive resource, it serves as an essential reference for professionals, researchers, and students working in the field of transportation engineering and related disciplines.

Yanhui Wang received the Ph.D. degree in mining engineering from the University of Science and Technology Beijing (USTB), Beijing, China, in 2003. He is currently working as a Professor with the State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing. His research interests include ground-penetrating radar, machine learning, safety science, and real-world applications.

Jia Liming is a professor at Beijing Jiaotong University, a member of the National Carbon Neutrality Technology Expert Committee, a vice president of the China Electrotechnical Society, and a supervisor of the China Intelligent Transportation Association. He was awarded the Special Allowance of the State Council of China, the “Millions of Talent Projects” National candidates, the National Outstanding Scientific and Technical Workers.