Chengdu
Metro under construction

Chengdu is planning 8 subway lines totaling 250 km. The first 15 km phase of the 26.7 km 18 station line is under construction and scheduled to open in 2010. About 1/3 of the line will be above ground.

Plan details, thanks to Sara Hayden:

Line Terminal 1 Terminal 2 Length
1 Huayang (South) Zoo (NNE) 26.22 km
2 Wu Gui Qiao (Longquan) SE Jinsha (Jin Niu) NW 23.7 km
3 Liu Jia Nian (NNW) Liuli Chang (SSE) 18.2
4 Chengnan (E) Zhuzi Qiao – airport (SW) 27.1
5 Chengya Bus Stn. (SSW) Shiling (W) 26.77

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Skyscrapercity page with pictures of construction