旧西藏没有一条公路。西藏自治区成立50年来,西藏交通发生了翻天覆地的变化。经过50年的建设,西藏全区公路通车里程达到7.5万千米,逐步形成了以拉萨为中心、“三纵、两横、六通道”为骨架的公路交通网络:东连四川、云南,西接新疆,北连青海,南通印度、尼泊尔,地市互通,县乡连接。2006年青藏铁路通车,彻底结束了西藏没有铁路的历史,并 Old Tibet does not have a highway. In the 50 years since the establishment of the Tibet Autonomous Region, tremendous changes have taken place in the transportation in Tibet. After 50 years of construction, the mileage of roads in Tibet reached 75,000 km and the road network with Lhasa as the center and “three vertical and two horizontal and six channels” as the skeleton: Sichuan, Yunnan, West of Xinjiang, north of Qinghai, Nantong India, Nepal, cities and cities exchange, county and township connections. The opening of the Qinghai-Tibet Railway in 2006 completely ended the history of Tibet's lack of railways