西藏曾经是我国唯一不通铁路的省级行政区。交通运输设施的落后,严重制约了西藏的经济社会发展。青藏铁路开通后,加强了国内其他广大地区与西藏的联系,促进了藏族与其他各民族的文化交流,增强民族团结,青藏铁路是条具有划时代意义的经济线、文化线。 Tibet was once the only provincial-level administrative district in our country that is not linked to the railway. The backward transport facilities have severely restricted Tibet’s economic and social development. After the opening of the Qinghai-Tibet Railway, the ties between the vast majority of other regions in China and Tibet have been strengthened, cultural exchanges between Tibetans and other ethnic groups promoted, and national unity strengthened. The Qinghai-Tibet Railway is an epoch-making economic and cultural line.