The Lanqing Railway, running between Lanzhou, Gansu and Xining, the province's capital, was completed in 1959 and is the major transportation route in and out of the province. A continuation of the line, the Qinghai-Tibet Railway through Golmud, has become one of the most ambitious projects in PRC history. It was completed in October 2005 and now links Tibet with the rest of China through Qinghai.
Six National Highways run through the province. Xining Caojiabu Airport provides service to Beijing, Lanzhou, Golmud and Delingha.
The way to the Garden of Eden - Qingzang railway
The Qingzang railway, is a railway which connects Xining, Qinghai Province, to Lhasa, Tibet Autonomous Region, in the People's Republic of China.
The section of the railway between Golmud and Lhasa was inaugurated on 1 July 2006 by president Hu Jintao, when the first two passenger trains departed, "Qing 1" (Q1) from Golmud towards Lhasa, and on the return side "Zang 2" (J2) leaving from Lhasa. Report of inauguration, accessed July 1, 2006 This railway is the first to connect China proper with the Tibet Autonomous Region, which due to its altitude and terrain was the last province-level entity in mainland China with no railways. Unmanned testing of the line and equipment had started on May 1 2006. Direct trains run from Beijing, Chengdu, Chongqing, Xining, and Lanzhou, establishing a straight connection between Lhasa and other major cities in the PRC.China Tibet Information Center. Shanghai strives for straight train to Lhasa. Retrieved April 7, 2006.
The line includes the Tanggula Pass, which at 5,072 metres above sea level is the world's highest rail track.
The 1,338m Fenghuoshan tunnel is the highest rail tunnel in the world. It is 4,905m above sea level. The 3,345-meter Yangbajing tunnel is the longest tunnel of the line. It is 4,264m above sea level and located 80 kilometres NW of the regional capital, Lhasa. Of the Golmud to Lhasa line, more than 960km, or over 80% of the railway, is built at an altitude of more than 4,000m, over half of it is laid on permafrost, and 675 bridges on the line, total length 159.8 km.