城市24小时 | 广东“双子星”，要建一条新高铁？

Core Insights - The Shenzhen Municipal Development and Reform Commission has officially initiated the preliminary research bidding for the southern extension of the Guangzhou-Shenzhen Second High-Speed Railway, which is expected to enhance connectivity between Hong Kong and the mainland [1][2] - The Guangzhou-Shenzhen Second High-Speed Railway is part of the infrastructure connectivity plan approved by the National Development and Reform Commission in May 2020, aiming to create a new high-speed rail corridor linking Shenzhen and the southwestern region [1][5] - The project is crucial for the development of the Qianhai Cooperation Zone and the interconnectivity of rail transit in the Guangdong-Hong Kong-Macao Greater Bay Area [1][6] Project Background - The Guangzhou-Shenzhen Second High-Speed Railway was prioritized in 2018 to address the growing demand for high-speed rail travel between the two cities [2] - The project has been included in various planning documents, including the "Guangzhou Urban Land Spatial Overall Planning (2018-2035)" which mentions the construction of a new high-speed rail line connecting Shenzhen Bao'an International Airport and Guangzhou Baiyun Airport [2][5] Current Developments - The Guangdong Provincial Development and Reform Commission confirmed in June 2021 that the Guangzhou-Shenzhen Second High-Speed Railway has been included in national planning [5] - Recent announcements indicate that the project is progressing, with preliminary work being accelerated as part of the Guangdong Province's three-year action plan for high-quality transportation development [5][6] Economic Rationale - The need for a new high-speed rail line arises from the increasing interactions between Guangzhou and Shenzhen, as existing rail services are insufficient to meet demand [6] - The new railway is projected to reduce commuting time between the city centers to half an hour, significantly improving travel efficiency [6] - Additionally, the railway will facilitate rapid connections between Guangzhou Baiyun Airport and Shenzhen Bao'an Airport, enhancing the competitiveness of the Greater Bay Area's airport resources [6]