1. Beijing Subway Line 9 is an urban rail transit line that has been completed and put into operation in Beijing, China. It was put into operation on December 31, 2011, and its logo color is light green.
2. According to the official website of Beijing Metro in March 2020, Beijing Metro Line 9 is north-south, starting from the National Library in the north, passing through Baishiqiao South, Baiduizi, Beijing West Station, Fengtai East Street and other places, and ending at Guogongzhuang Station in the south.
3. As of March 2020, Beijing Metro Line 9 has a total length of 16.5 km and is laid underground; There are 13 underground stations in total; 6-car marshalling B-type train is adopted.
4. On April 8, 2020, Metro Line 9, Line 8 (North Section), Fangshan Line and Yizhuang Line will implement the new version of the running chart, continue to shorten the departure interval and improve the transport capacity. Among them, Line 9 runs into 1:45 seconds for the first time, reaching the minimum interval of Beijing Metro.
5. A total of 10 lines of the Beijing Metro Company ran into a 2-minute interval.
