Since 1955 there was a return to the old idea of a shallow metro network.
It was not until 1942 when the line became part of the heavier metro network.
The trains will have safety systems along the entire metro network.
Like the rest of the Metro network, it is entirely underground.
It is the only station in the metro network where all four lines (1,2,5,6) meet.
The line was subsequently converted to a part of the Metro network.
A four-line metro network is expected be in operation by 2050.
There are also plans to extend the metro network to reach more commuters.
In 2012, the metro network is expected to consist of:
The new national government has pledged to build a new modern metro network for the city.
