Core Points - The article highlights the opening of the Nanjing Metro Line 10 Phase II and Line 3 Phase III, enhancing the city's public transportation network [1] - The total operational mileage of Nanjing Metro has increased from 508 kilometers to 525 kilometers, with the number of stations rising from 255 to 267 [1] Summary by Sections - **Line 10 Phase II**: - Starts from Andemen Station and ends at Dongqi Road Station, covering a length of 13.33 kilometers with 10 underground stations [1] - Connects key areas including Jiangbei New District, main urban area, and southern new city, improving accessibility and reducing travel time [1] - Enhances connectivity with existing lines, forming a more efficient "cross" network structure [1] - **Line 3 Phase III**: - Begins at the existing Miao Zhou East Road Station and ends at Miao Ling Station, with a total length of 3.3 kilometers and 2 underground stations [1] - Links to Nanjing Zijin Mountain Science and Technology City, addressing the lack of rail transit in the southern core area of Jiangning [1]