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mic development, urban development characteristics and transport systems so as to analyze the feasibility for the application of the Metrobus system. 1. Social and economic development status (1). Urban area Table 2. A comparison of urban areas of the five cities City Curitiba Dalian Shenzhen Suzhou Xiamen Area of tile entire city (square kilometer) 12361 1.2573.85 2020 8488.42 1565 Area of tile urban districts (square kilometer) 2414.96 1650 554.7 The area of a city decides the distribution scope of residents travelling around, and accordingly determines the scope of public transport service. In terms of urban area, Dalian and Suzhou are basically of the same size as Curitiba, while Shenzhen and Xiamen are smaller. Metrobus system is suitable to urban artery transport due to its fast characteristics, and is also suitable for medium and long-distance travelling. Given the fact that Chinese urban residents mainly travel within the city scope, it is necessary to give a comprehensive consideration to the factor of city area. (2). Urban population Table 3. A population comparison of the five cities City Curitiba Dalian Shenzhen Suzhou Xiamen Population of tile entire city (in 10000) 260 545 395 578.17 126.6 Population of tile urban area (ill 10000) 155 185 110.79 42.6 Urban population decides the volume of residents travelling in the city, thus affects the scale of the public transport system. Also with the fact that residents mainly travel within the urban areas, the size of urban population has a remarkable impact on the public transport system. The size of population in Shenzhen and Suzhou is basically identical with that of Curitiba. (3). Level of urban economic development Table 4. A comparison of the economic development level of the five cities City Curitiba Dalian Shenzhen Suzhou Xiamen GDP (in 100 million yuan) 1110.8 1540.68 418.06 Per-capita GDP 20326yuan US$5000 26700yuan US$3800 In terms of per-capita gross domestic product (GDP), Dalian, Shenzhen, Suzhou and Xiamen have all reached over 20,000 yuan. The influence of such a relatively high per-capita GDP is mainly reflected on the choice of means of transport by their residents. Along with the rising income, residents will give more consideration to time value and comfort when choosing means of transport, and cost is no longer the sole consideration. 2. Characteristics of urban development (1). City structure At present, all large cities in the world have two development trends in their expansion. First, the mode of expanding in the form of concentric circles is transforming into the along-axis development mode (or development corridor). Second, cities have been transforming from the mode of single center towards the mode of multi-centers. The development of Curitiba is basically based on the first mode, that is, high-density development along axis road to form several development corridors. Dalian, Shenzhen, Suzhou and Xiamen, however, are taking the development mode of multi-centers.