新藏铁路最快今年开工，单公里投资或高达2亿元

Group 1 - The core viewpoint of the article highlights the shift in infrastructure investment from local to central government initiatives, with a focus on the New Tibet Railway as a key project [2][11][12] - The New Tibet Railway, with a total length of approximately 2000 kilometers, aims to connect the largest provinces in China, Xinjiang and Tibet, for the first time [4][7] - The total investment for the New Tibet Railway is estimated to reach 400 billion yuan, with a per-kilometer cost of about 20 million yuan, reflecting the high construction difficulty due to extreme environmental conditions [4][5][6] Group 2 - The establishment of the New Tibet Railway Company, fully owned by China National Railway Group, indicates a significant central government investment in western infrastructure [10][11] - The project is expected to create substantial demand for construction materials, particularly cement, with an estimated annual requirement of 5 million tons [6][14] - The construction of the New Tibet Railway is anticipated to take about 10 years, with the Xinjiang section expected to start in November 2025 [8][9] Group 3 - The central government's focus on major infrastructure projects in western regions, such as Tibet and Xinjiang, is part of a broader strategy to enhance regional development and economic growth [3][12][14] - The New Tibet Railway is part of a larger plan to improve the railway network in Tibet, which currently has a low density compared to the national average [13][14] - The ongoing investment in infrastructure is expected to boost the economic growth of Tibet, which has already shown a significant increase in fixed asset investment [15]