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uding land resources) reserve and energy structure, environmental capacity and the environmental bearing capacity exert a restrictive effect on the development of urban transport system. 2. Sustainable development of urban transport Mr. A. Peniglinine, Director of the Transportation, Water Supply and Urban Development Bureau of the World Bank, stressed three mutually supplementary principles when assessing the sustainable development of urban transport: sustainability of economy and finance, sustainability of social development and environmental sustainability. The concept of sustainability is deeply influencing the planning and decision-making process of urban transport. At present, cities in developed countries achieve the sustainable development of urban transport from the following two aspects: comprehensive planning of transportation and land use and making public transport a priority choice for residents. It is decided by China''s national conditions that Chinese cities must make great efforts to develop public transport system and adhere to the principle of giving priority to public transport. Whether public transport could develop fast decides whether sustainable development of a city could be achieved and whether wider use of automobiles and modernization of public transport could be achieved in the next century. In Chinese cities, land is in short supply, population density is high, therefore, transportation by means of public transport system is the best choice. This explains why the state decided in the mid-1980s to adopt the development principle of giving priority to public transport for urban passenger transportation, and this policy was clearly stipulated in several State Council documents, technology policies and industrial policies. 3. Types of prioritizing the public transport system The priority of public transport system includes strategic priority and tactical priority. Strategic priority means that in the overall development and planning of Cities and in the process of urban transport planning, construction and management of the public transport system is given priority. That is priority in policy, including priority in capital, planning and construction, or in terms of the long-term development strategy of the urban transportation, priority is given to constructing the fast track transport system, public transport system and special road system with big capacity. Tactical priority means to give priority and passing privilege to the public transport system in terms of time and space, to increase its speed, shorten time spent on road and improve the transport efficiency so as to attract passengers to use the public transport system. This is achieved mainly through corresponding management methods, including time priority and special privilege during the rush hours. For example, in Hong Kong, cars are not allowed to make right turns during rush hours and only public buses have the privilege of making right turns (in Hong Kong, people drive on benefit). In terms of space priority本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。