Line 1 opened 22 April 2008; Line 2 opend 26 September 2008; Line 3 opend 16 April 2009; Line 4 opened 27 August 2009; Line 6 opened 2009; Line 7 opend in April 2014
Line 2 extended to Luojiazhuang late 2008 , early 2009 extended to Railway station, Zhengxin Huayuan to Jindu Beilu late 2009, southwest part of line 2 and line 3 opened at 3 January 2010
2rd ring road corridor opened 11 June (trial operation from 31 May); Shenxianshu connection opened on 20 Sep.2018; Fenghuangshan corridor opened on 21 Sep. 2018; Riyue Ave. corridor opened on 12 Apr. 2019.
Phase 1 opened in 2007 (18.2km-15 stations), Phase 2 opened 2008 (11.8km-11 stations), Phase 3 opened in 2009 (11.5 km-8 stations), 9.7km western extension opened in 2012