The Qinghai–Tibet railway
The Qinghai–Tibet railway, Qinghai–Xizang railway or Qingzang railway is a high-elevation railway that connects Xining, Qinghai Province, to Lhasa, Tibet Autonomous Region, in People's Republic of China.
The length of the railway is 1956 km (1215 mi). Construction of the 815 km (506 mi) section between Xining and Golmud was completed by 1984. The 1142 km (709 mi) section between Golmud and Lhasa was inaugurated on 1 July 2006 by party general secretary, president Hu Jintao: the first two passenger trains were "Qing 1" (Q1) from Golmud to Lhasa, and "Zang 2" (J2) from Lhasa. This railway is the first to connect the Tibet Autonomous Region to any other province, which, due to its elevation and terrain, is the last province-level entity in mainland China to have a railway. Testing of the line and equipment started on 1 May 2006. Passenger trains run from Beijing, Chengdu, Chongqing, Guangzhou, Shanghai, Xining and Lanzhou.[3]
The line includes the Tanggula Pass, which, at 5,072 m (16,640 feet) above sea level, is the world's highest railway. Tanggula railway station at 5,068 m (16,627 feet) 33°00'18.50?N 91°38'57.70?E is the world's highest railway station. 1,338-m Fenghuoshan tunnel is the highest rail tunnel in the world at 4,905 m above sea level. The 4,010-m Guanjiao tunnel is the longest tunnel between Xining and Golmod and 3,345-m Yangbajing tunnel is the longest tunnel between Golmod and Lhasa. More than 960 km, over 80% of the Golmod-Lhasa section, is at an elevation of more than 4,000 m. There are 675 bridges, totalling 159.88 km, and about 550 km is laid on permafrost.
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