Integrated Transportation Network
Main Features
has a certain combination structure and level hierarchy, which is a specific embodiment of the combination of transportation productivity in geographical. Its characteristics are: 1 is an important part of the regional production complex (national, large regional area production complex), and its distribution pattern is generally similar to the overseas transportation links in its area and the total pattern of transportation links between the districts; 2 There is a certain combination of combination in the transportation department, depending on the characteristics of resource development, economic development, traffic location and natural conditions in the region; 3 traffic routes different from a number of status, role and function (national trunk line " , Development or pioneering lines; 4 have a certain level of geographical level, except for the highest level of national comprehensive transportation network, there are still some other lower levels or hierarchical integrated transportation in the region, provincial and regions and regions. net. Their difference is not only manifested in the size of the regional range covered, but also reflects significant differences in facility scale, technical equipment level, and structural characteristics, and to adapt to the development of different levels of regional economic systems to transportation The various needs of the proposed.
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