Beijing subway's Songjiazhuang Station, which is under construction, will be the largest subway transfer station in Asia, with a total floor area of 51,000 square metres.
   Beijing's subway's Songjiazhuang transfer station is scheduled for completion in September 2012. Once completed, subway transfer for Line 5, Line 10 and the Yizhuang Line will be on the same floor level, making Songjiazhuang an important comprehensive traffic hub in the southeast region of Beijing.