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Then, this paper analyzes the management of public transportation systems in different cities in various countries. It is evident that many countries are actively promoting the intelligent management of urban public transportation systems and recognizing the crucial role played by smart public transportation systems in modern city life. Smart public transportation systems have unique features in different countries and regions, and each country is continuously developing and improving these systems to address the ever-changing challenges of urban traffic. By leveraging technological innovation, intelligent management, and collaborative cooperation with other urban planning fields, it is possible to further enhance the efficiency and sustainability of public transportation systems. Improving urban public transportation systems holds significant importance for solving traffic congestion issues, enhancing residents' travel efficiency and comfort, as well as reducing environmental pollution and energy consumption. Countries are actively promoting the development of smart public transportation while optimizing designs based on regional characteristics.