我国少数民族地区有近六百万平方公里,占全国总面积的62.5%,而80年铁路通车里程仅有12,000公里,占全国的23%,公路通车里程也不及全国的40%。目前尚有西藏不通铁路,相当数量的区乡不通公路。民族地区交通运输的落后状况成为阻碍民族经济发展的一个主要因素。例如在多山的云南省,运输条件对经济发展的限制尤为明显。宝贵的矿藏可以使各族人 China’s ethnic minority areas have nearly 6 million square kilometers, accounting for 62.5% of the total area of ​​the country. In 1980, the railway mileage was only 12,000 kilometers, accounting for 23% of the country’s total. The mileage of roads opened to traffic was less than 40% of the national total. There are still no railways in Tibet and a considerable number of townships and townships are closed to the roads. The backwardness of transport in minority areas has become a major factor impeding the development of the national economy. For example, in the mountainous province of Yunnan, the restrictions imposed by transport conditions on economic development are particularly obvious. Valuable mineral deposits can make all ethnic groups