The plan of the second-round construction of rail transit lines in Chongqing has won the preliminary approval by the related state department recently, according to Chongqing Municipal Commission of Urban-Rural Development on June 20, 2012.
As indicated by the plan, Chongqing will build eight new rail transit lines with total length up to about 215.04 km.
By the end of 2011, the total operating mileage of rail transit lines in urban Chongqing has reached 75 km; urban Chongqing will open rail transit lines of 68 km in 2012.
Huang Xiqin