Core Points - The Beijing Metro Line 19 Phase II (South Extension) is undergoing its second environmental impact assessment public announcement, extending approximately 12.7 kilometers from Haizijiao Station to the existing Line 19 Xinguang Station, with 6 new stations planned [1][2] - The project is part of the Beijing Urban Rail Transit Third Phase Construction Plan (2023-2028) and aims to enhance connectivity in the southern regions of Beijing [3][4] Summary by Sections Project Overview - The Line 19 Phase II (South Extension) will be fully underground and includes the construction of 6 new stations and 1 parking lot covering approximately 15 hectares in Daxing District [2][3] - The new stations are: Xinguang South Station, Xihongmen East Station, New Media Industry Base Station, Guanyinsi Station, Cigezhuang West Station, and Haizijiao Station [3] Connectivity and Impact - The New Media Industry Base Station will connect with the planned R4 Line Phase I South Section, improving transit options for residents in the southern areas [3] - The extension will link various districts including Fengtai, Daxing, and the Daxing Economic Development Zone, enhancing the overall transportation network [4] Construction and Technology - The project will utilize a combination of construction methods, primarily open-cut and shield tunneling, with a maximum operational speed of 120 km/h [3] - The vehicle type will remain consistent with the existing Line 19, using A-type trains with flexible configurations of 4A and 8A [3] Strategic Importance - Line 19 is designated as a key north-south corridor in the western part of Beijing, facilitating rapid connections between the city center and the northern and southern suburbs [4] - The extension is expected to strengthen the rail transit network in the "Huitian" area and enhance the hub function of Qinghe Station, allowing for quicker access to the city center [4]