The construction of Qinghai-Tibet Railway started on June 29, 2001, and the investment of 1.18 billion yuan was completed in that year, and the transformation of the existing line from Golmud to Nanshankou section was completed, and the roadbed of the section from Nanshankou to Wangkun basically took shape, and the test section of permafrost was begun, realizing the success of the first battle. 5.32 billion yuan of investment was completed in 2002, and the main project of the section from Golmud to Wangkun offline was completed, and the main project of the section from Wangkun to Chumal River offline was basically completed, and the main project of the section from Chumal River to Chumal River was basically completed. The offline main project of the section from Golmud to Wangkun was completed, the offline main project of the section from Wangkun to Chumar River was basically completed, and the offline main project of the section from Chumar River to Buqiangge was completed by more than 80%. This year is the year of comprehensive attack on the construction of Qinghai-Tibet Railway, the annual plan to complete the investment of 5.6 billion yuan, as of the end of July the annual cumulative investment of 2.39 billion yuan, the start of the cumulative total of 8.89 billion yuan. At present, the tundra project north of tanggula mountain is taking intensive measures, laying tracks and erecting girders to the plateau hinterland, tanggula mountain crossing section and tangnan section of the key projects started, the comprehensive attack has formed a climax.
The Tibetan Plateau is known as the "roof of the world", "the third pole of the earth", is China's "source of rivers". In the Qinghai-Tibet Plateau this primitive, unique, fragile, sensitive geographic and ecological environment in the construction of the Qinghai-Tibet Railway is the world's highest altitude, the longest line of plateau railroads, the highest point of the railroad over the Tanggula Mountain 5072 meters above sea level, through the altitude of more than 4,000 meters above the section of 960 kilometers, the continuous permafrost area of 550 kilometers or more. Effectively protecting the ecological environment during the construction and building of the Qinghai-Tibet Railway is an important task in the construction of the Qinghai-Tibet Railway, and also a focus of attention at home and abroad. The CPC Central Committee and the State Council attach great importance to the ecological environment protection of the Qinghai-Tibet Railway construction. Comrade Zhu Rongji requested that the spirit of the State Council on strengthening the protection of the ecological environment of the Qinghai-Tibet Plateau should be conscientiously carried out, and that the ecological environment of Qinghai and Tibet should be very much cared for, and every blade of grass and tree in Qinghai and Tibet should be very much cared for, so as to carefully protect every inch of the green land of our motherland. The ecological environment protection work for the construction of the Qinghai-Tibet Railway has pointed out the direction.