十四五重点工程

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各地一批“十四五”重点工程刷新进度条 “硬核”实力彰显中国力量
Yang Shi Wang· 2025-09-14 02:53
Group 1: Infrastructure Development - The "14th Five-Year Plan" is advancing key projects across various regions, focusing on urban rail transit, conventional buses, and slow traffic network integration [1] - China has 54 cities operating urban rail transit lines totaling 331, with an operational mileage of approximately 11,000 kilometers, ranking first in the world [1] - The Chang-Jiu High-Speed Railway features the longest turning bridge, with bridges and tunnels comprising over 80% of its structure, forming a crucial part of the national "Eight Vertical and Eight Horizontal" transportation network [3] Group 2: High-Speed Rail Projects - The Chong-Tai Yangtze River Tunnel, the world's largest diameter high-speed rail tunnel, has successfully surpassed 8,000 meters, connecting Chongming, Shanghai, and Taicang, Jiangsu, with a total length of 14.25 kilometers and a design speed of 350 km/h [5] - The Xi'an to Yan'an High-Speed Railway, the first high-speed rail in the Shaanxi revolutionary base area, has entered the joint debugging and testing phase [8] Group 3: Energy and Water Resources - The West Yan High-Speed Railway's 330 kV power supply project includes the construction of 242 kilometers of new transmission lines and two 330 kV traction substations [10] - The first offshore carbon dioxide storage demonstration project in China, located at the Enping 15-1 oil field, has cumulatively stored over 1 million cubic meters of CO2, with an annual storage capacity exceeding 100,000 tons [12][14] - The Heilongjiang Linhai Reservoir, part of 150 major national water conservancy projects, will provide 180 million cubic meters of quality water annually for irrigation of 153,700 acres of farmland [16] - The Gujun Reservoir dam in Dazhou, Sichuan, is a key water conservancy project expected to be completed by 2027, enhancing flood protection for upstream cities along the Yangtze River [18]