The Yuan 100bn ($US 14.4bn) expansion will add 110km to Guangzhou's 400km network, with 73 stations, including 38 interchanges. The network currently carries more than 8.2 million passengers a day.
The 9.55km southern extension to Line 3 will connect to Haishu Station, adding four stations to the line, while the 9.8km eastern extension of Line 5 will add six stations to the line.
The 21.9km second phase of Line 7 will run underground from University South station to Water Northwest, with 11 stations.
The 19.15km new Line 10 will combine the 6.05km Tianhe station - Shipai Bridge section of Line 3 with a newly-built section to Xilang Station, with 19 stations.
The 37.6km underground Line 12 will run from Fengfenggang station in Baiyun District to University South station with 25 stations.
Line 4 phase two will connect Jiahe Wanggang station with Guangzhou railway station. The 11.9km underground line will have eight stations.
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