川藏公路原称康藏公路,1955年西康省建制撤消,改称川藏公路,是国道318线的一部分。川藏公路东起四川成都,西至青藏高原腹地—西藏自治区首府拉萨,全长2161公里,其中四川境内内876公里,西藏境内1285公里。川藏公路对于沟通四川、西藏、青海和云南四省区的交通往来、物资交流,促进这些地区的工农业发展和矿产资源的开发,特别是促进西藏的经济发展,具有十分重要的作用,被人称作经济路、民族团结路、国防路和扶贫路。解放军修入藏公路是从成都开始的。其实国民党政府早在1923年至1932 Sichuan-Tibet Highway was originally called Kang-Tibet Highway. In 1955, the system of Xikang was revoked and renamed as Sichuan-Tibet Highway. It was part of State Route 318. Sichuan-Tibet Highway east of Chengdu, Sichuan Province, west of the hinterland of the Tibetan Plateau - the capital of Lhasa, Tibet Autonomous Region, a total length of 2161 kilometers, of which 876 kilometers within the territory of Sichuan, Tibet, 1285 kilometers. Sichuan-Tibet Highway plays a very important role in communicating traffic, material exchanges, promoting industrial and agricultural development and mineral resources development in these areas, especially promoting the economic development in Tibet. People called Economic Road, National United Road, National Defense Road and Poverty Alleviation Road. People’s Liberation Army repair Tibet Road from Chengdu began. In fact, the Kuomintang government as early as 1923-1932