Current timeline

• 1996-03-28: +BR01, BR02, BR03, BR04, BR05, BR06, BR07, BR08, BR09, BR10, BR11, BR12 (added 12, total 12)
• 1997-03-28: +R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R22A, R23, R24, R25, R26, R27, R28 (added 19, total 31)
• 1997-12-25: +R10 (added 01, total 32)
• 1998-12-24: +R08, R09, G09, G10, O01, O02, O03, O04, O05 (added 09, total 41)
• 1999-11-11: +G01, G02, G03, G04, G05, G06, G07, G08 (added 08, total 49)
• 1999-12-24: +BL10, BL11, BL12, BL13, BL14, BL15, BL16, BL17, BL18 (added 09, total 58)
• 2000-08-31: +G11, G12, BL08, BL09 (added 04, total 62)
• 2000-12-30: +BL19, BL20, BL21 (added 03, total 65)
• 2004-09-29: +G03A (added 01, total 66)
• 2006-05-31: +BL02, BL03, BL04, BL05, BL06, BL07 (added 06, total 72)
• 2008-12-25: +BL22 (added 01, total 73)
• 2009-07-04: +BR13, BR14, BR15, BR16, BR17, BR18, BR19, BR20, BR21, BR22, BR23, BR24 (added 12, total 85, Brown line completed)
• 2010-11-03: +O07, O08, O09, O10, O11, O12, O50, O51, O52, O53, O54 (added 11, total 96)
• 2011-02-27: +BL23 (added 01, total 97)
• 2012-01-05: +O13, O14, O15, O16, O17, O18, O19 (added 07, total 104)
• 2012-09-30: +O06 (added 01, total 105)
• 2013-06-29: +O20, O21 (added 02, total 107, Orange line completed)
• 2013-11-24: +R02, R03, R04, R05, R06, R07 (added 06, total 113)
• 2014-11-15: +G13, G14, G15, G16, G17, G18, G19 (added 07, total 120, Green line completed)
• 2015-07-06: +BL01 (added 01, total 121, Blue line completed)
• 2020-01-31: +Y07, Y08, Y09, Y10, Y11, Y12, Y13, Y14, Y15, Y16, Y17, Y18, Y19, Y20 (added 14, total 135)

Future expansions

• 2022-??-??: +R01 (adds 01, total 136, Red line complete)
• 2025-??-??: +LG01, LG02, LG03, LG04, LG05, LG06, LG07, LG08, LG08A (adds 09, total 145)
• 2028-??-??: +LG09, LG10, LG11, LG12, LG13, LG14, LG15, LG16, LG17, LG18, LG19, LG20, LG21 (adds 13, total 158, Light Green line completed)
• 2029-??-??: +Y01, Y02, Y03, Y04, Y05, Y06, Y21, Y22, Y23, Y24, Y25, Y26, Y27, Y28, Y29, Y30, Y31, Y32 (adds 18, total 176)