西安地铁四号线大雁塔西南出口是因为什么出口就是大就是西南出口呗
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Metro
Main article: Xi'an Metro
Currently the metro system is designed with 6 lines.
The 2nd route has opened in September 16 2011. The 1st route has started in early 2009, while the rest is planned to start in 2013 and to be finished around 2016. The 3rd route has already begun at Oct. 2011, and to be launched at the end of 2015.