From the starting point of the Sichuan-Tibet line to the terminal

The Sichuan-Tibet line is divided into the southern part of the Sichuan-Tibet line and the northern part of the Sichuan-Tibet line, starting in Chengdu and ending in Lhasa. The Sichuan-Tibet line and the 3 18 line have different starting points.

Take the southern line to Lhasa, with a total length of about 2,250 kilometers. After passing Litang, the highest altitude of Litang is 4,700 meters, which is known as the "highest city in the world". The total length from the Northern Line to Lhasa is about 2,800 kilometers, which is called "Great Northern Line" by tourists and explorers.

South of Sichuan-Tibet line: Chengdu-Ya 'an-xinduqiao-Litang-Daocheng-Aden-Mangkang-Bangda-Ranwu-Bomi-Bayi-Gongbujiangda-Lhasa (full journey: 2250km).

Northern Sichuan-Tibet line: Chengdu-Danba-Seda-Ganzi-Dege-Changdu-Basu-Ranwu-Chayu-Ranwu-Bomi-Bayi Town-Lhasa (full journey: 2800)

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