Guangzhou Metro Subway Lines: Line 1 - 1997 Line 2 - 2002 Line 3 - 2005 Line 4 - 2005 Line 5 - 2009 Line 6 - 2013 Line 7 - 2016 Line 8 - 2002 Line 9 - 2017 *Line 10 *Line 11 *Line 12 Line 13 - 2017 Line 14 - 2017 (All Stop/Express) *Line 15 *Line 16 *Line 17 *Line 18 *Line 19 *Line 20 Line 21 - Late 2018 *Line 22 *Line 23 GFL - 2010 APM - 2010 Length of Guangzhou Metro: Line 1 18.5 km Line 2 32 km Line 3 65 km + 9.6 km (74.6 km in Total) Line 4 56.25 km Line 5 31.9 km + 9.8 km (41.7 km in Total) Line 6 41.7 km + 2.3 km in North Extension (44 km in Total) Line 7 21.1 km + 13.64 km in ShunDe West Extension + 22 km in Phase 2 (58.74 km in Total) Line 8 15 km + 36.1 km in Northern Extension with Far Northern Extension + 44.8 km East Extension with East Branch + 1.8 km Line 2 & 8 realignment project (99.7 km in Total) Line 9 20.1 km *Line 10 25.46 km *Line 11 42.4 km *Line 12 37.6 km Line 13 28.3 km + 33.8 km in Phase 2 (62.1 km in Total) Line 14 54.3 km + 11.6 km in Phase 2 (65.9 km in Total) *Line 15 30.5 km *Line 16 39.1 km *Line 17 25.7 km *Line 18 65.3 km *Line 19 32.2 km *Line 20 17.5 km Line 21 26.2 km *Line 22 30.7 km *Line 23 5.8 km in West + 19 km in East (24.8 km in Total) GFL 39.6 km + 18.1 km in Guangzhou Boundary (57.7 km Total) APM 4 km *More lines coming soon!