杭州地铁四期建设进度再刷新

Group 1 - The construction of Hangzhou Metro Line 18 Phase I is progressing well, with most stations entering the foundation excavation stage, marking significant advancements in the project [1] - The Huajiachi Station's parking line features the "Triumphant" shield machine, which is the first ultra-large rectangular shield machine used in metro parking line tunnel construction in China, designed to minimize the impact on surface buildings and traffic [1] - The project spans 48.3 kilometers with 19 stations, 15 of which are transfer stations, enhancing connectivity between the main urban area and the suburban regions of Linping and Xiaoshan [1] Group 2 - The Hangzhou Metro Line 9 Phase II, located in Linping District, is 10 kilometers long with 7 stations, currently progressing into the shield tunneling phase [2] - The Hangzhou Metro Line 15 Phase I, approximately 41 kilometers long with 30 stations, has also made significant progress, with key structural milestones achieved at various stations [2]