Brief introduction of Nanjiang railway

South Xinjiang Railway starts from Urumqi, Xinjiang in the east, runs along Lan Xin Railway to Turpan in the east, crosses Tianshan Mountain in the west, passes through Korla, Aksu and Artux, and reaches Kashgar, Xinjiang in the west pole of China. It is the main railway trunk line in Xinjiang, with a total length of 1446 km (Turpan to Kashgar). The southern Xinjiang railway rose from 800 meters above sea level to 3000 meters and then fell to 1.200 meters, forming a continuous ramp with a maximum slope of 22 ‰ and a length of more than 240 kilometers. It is rare in the history of railway construction in China, with a total length of 33 kilometers. Among them, Kuixian Tunnel in the throat area was built on Bingdaban at an altitude of 3,000 meters, with a length of 6 1.52 meters, which is the highest and longest in China. 2065438+On June 2, 2005, the second double line of Turpan-Korla, a southern Xinjiang railway, was fully opened for operation. The original operating mileage between Turpan and Korla was 457 kilometers, and the second-line operating mileage of the earth warehouse was 334 kilometers, a decrease of 123 kilometers. 1 2065438+July 20051day, the first express train from Urumqi to Aksu was opened. 2 20 15 10 10 20, the first intercity train from Urumqi to Korla, the star of southern Xinjiang-Swan.