Cities across China are planning urban rail systems, primarily underground metros. Here are a few of the 25 systems that have received central government approval:
Chengdu Metro
Number of lines planned: Seven
Track length: 274 km
Construction began: December 2005
Expected opening: 2010
Hangzhou Metro
Number of lines planned: Eight
Track length: 278 km
Construction began: March 2007
Expected opening: 2011
Xi’an Metro
Number of lines planned: Six
Track length: 251 km
Construction began: October 2008
Expected opening: 2011
Suzhou Subway
Number of lines planned: Four
Track length: 141 km
Construction began: December 2007
Expected opening: 2012
Kunming Metro
Number of lines planned: Six
Track length: 162 km
Construction began: May 2010
Expected opening: 2012
Zhengzhou Subway
Number of lines planned: Six
Track length: 202 km
Construction began: June 2006
Expected opening: 2013
Fuzhou Metro
Number of lines planned: Seven
Track length: 184 km
Construction to begin: July 2010
Expected opening: 2014
Dongguan Metro
Number of lines planned: Four
Track length: 207 km
Construction began: March 2010
Expected opening: 2015