Category:Line 9, Beijing Subway

**Line 9**
	Railway line of Beijing subway
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Instance of	rapid transit railway line;
Location	Haidian District; Fengtai District; People's Republic of China;
Transport network	Beijing Subway;
Connects with	Line 4; Line 6; Line 1; Line 7; Line 10; Line 14; Fangshan line;
Owned by	Beijing Infrastructure Investment Co., Ltd.;
Operator	Beijing Mass Transit Railway Operation Corporation Limited (二分公司);
Date of official opening	31 December 2011;
Length	16.5 km;
Terminus	National Library station (2012–); Guogongzhuang station (2011–);
Train depot	Guogongzhuang depot;
Authority file
	Q5929508; OpenStreetMap relation ID: 2674584
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