GPT答：

7i24.cn

Urban public transportation is a passenger transport service that operates within cities and their suburbs, aiming to facilitate public mobility. It is an integral part of urban transportation and a crucial urban infrastructure. Urban public transportation has significant impacts on the political, economic, cultural, educational, scientific, and technological development of cities. It also plays a vital role in urban construction and is closely related to national welfare.

To address the increasingly severe traffic congestion problem and improve the efficiency and comfort of urban residents' travel while reducing environmental pollution and energy consumption, countries worldwide are intensifying efforts to develop urban public transportation systems. In the process of modern urbanization, enhancing the quality of urban public transportation systems holds great significance.