Shanghai Metro Line 4

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Line 4
Opening for testing	Dec 31, 2005
Official Opening	Jan. 4, 2006
Length	27km (now open 22km)
Stations	26 (now open 22)
From	Damuqiao Road
Via	Shanghai Stadium
Via	Zhongshan Park
Via	Shanghai Railway Station
Via	Shiji Avenue
To	Lancun Road

Shanghai Metro, Line 4 - Circle Line (though currently in a "C" shape)

Line 4 will form a circle metro through the city, sharing the part from Baoshan Road to Hongqiao Road with the current Line 3. The circle will follow the inner-ringway for most of the route, which causes the ring to extend to Pudong across the Huangpu River.

[edit] Construction problems

During construction of Line 4 part of tunnel that was under construction close to the Huangpu river collapsed. This caused a six story building to collapse and several other buildings in the neighborhood had to be evacuated. No casualties have been reported, but the incident caused the completion of the metroline to be delayed with almost a year. Now the part which had problem is not used. It is from east of Lancun Road and to west of Damuqiao Road.