一线城市地铁申请被驳回，未建线路重新审！杭州地铁五期最新进度！

Core Viewpoint - The approval process for subway projects in major cities in China, including Shenzhen and Hangzhou, is tightening, with several projects being rejected or paused due to new stringent criteria set by the government [1][4][12]. Group 1: Shenzhen Subway Developments - Shenzhen's subway line 18 has not been approved for inclusion in the fifth phase of planning, and the construction of the eastern extension of line 14 has been halted [1]. - Despite Shenzhen's high passenger intensity of 1.46 million trips per kilometer per day, the approval for new projects remains under scrutiny [7][8]. Group 2: National Trends in Subway Approvals - Nationwide, cities like Ningbo and Luoyang have faced similar rejections for new subway projects due to insufficient passenger flow and other financial criteria [3][4]. - The 2018 policy from the State Council set strict thresholds for subway project approvals, including a minimum public finance budget of 30 billion yuan, a GDP of 300 billion yuan, and a resident population of over 3 million [3]. Group 3: Hangzhou Subway Planning - Hangzhou has initiated research for its fifth phase of subway planning, which will adhere to the new quantitative and qualitative requirements set by the national government [10][11]. - The approval for Hangzhou's fifth phase will only proceed once the fourth phase projects have completed at least 70% of their total investment [10][11]. Group 4: Financial Viability of Subway Systems - A report indicated that out of 28 cities with operational subways, 26 are currently operating at a loss, highlighting the financial challenges faced by subway systems across the country [4].