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一、铁路网密度及运输负荷状况交通运输是国民经济发展的基础产业,铁路作为交通运输的重要组成部分,路网密度和运输负荷是判别其发展水平和市场满足程度的重要指标。衡量铁路的路网密度通常可以用以下两个指标:(1)按国土面积计算(公里/万平方公里)=一个国家或地区的铁路营业里
I. Railway Network Density and Transportation Load Transportation is a basic industry for national economic development. As an important part of transportation, railway density and transportation load are important indicators to judge their level of development and market satisfaction. The following two indicators can usually be used to measure the road network density of a railway: (1) Calculated by the area of land (km / km2) = railway business in a country or region