Group 1 - The construction of Hangzhou Metro Line 15 has achieved significant milestones, including the successful arrival of the "Kaituo No. 9" shield machine at the receiving well and the completion of underground continuous wall construction at Kangqiao Station, laying a solid foundation for subsequent station excavation [2][3] - The first phase of Line 15 is expected to enhance north-south transportation in Hangzhou, improving connectivity between the northern Chongxian area, the city center, and the Xiaoshan area, thereby supporting regional development and alleviating traffic pressure [2] - The Hangzhou Metro Group has publicly announced the proposed station names for Line 15, with a total of 42 station name proposals across multiple lines being disclosed [2] Group 2 - The construction of Hangzhou Metro Line 18 has accelerated, with four shield machines operating simultaneously in key sections, marking a critical phase of construction [3] - The main structure of Yicheng Road Station on Line 18 has been completed ahead of schedule, facilitating subsequent construction and enhancing the overall project timeline [3] - Line 18 is a vital part of the Hangzhou Metro Phase IV project, aimed at connecting key areas in Xiaoshan and improving the regional rail transit network, contributing to the establishment of a "half-hour commuting circle" [3]