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渝昆高铁控制性工程长水机场隧道贯通
Ren Min Ri Bao·2025-08-04 19:08

Core Viewpoint - The successful completion of the Changshui Airport Tunnel marks a significant milestone for the Yukun High-Speed Railway, enhancing transportation efficiency between Chongqing and Kunming, and promoting regional economic development [1] Group 1: Project Details - The Changshui Airport Tunnel, constructed by China Railway Eighteenth Bureau and China Railway Second Academy, has a total length of 8,770 meters [1] - The tunnel passes under sensitive structures including the airport operational area, freight channels, and existing railways, presenting high environmental sensitivity and geological risks [1] - With the completion of the Changshui Airport Tunnel, 43 tunnels have been completed in Yunnan province, achieving an 80% tunnel completion rate for the Yukun High-Speed Railway [1] Group 2: Economic Impact - The Yukun High-Speed Railway spans approximately 700 kilometers, with 388.6 kilometers located within Yunnan province [1] - Once fully operational, the railway will significantly reduce travel time between Chongqing and Kunming, enhancing transportation convenience in the Southwest region and facilitating coordinated regional economic development [1]