With a maximum speed of 120km/h, Shenzhen Metro Line 11 is currently the fastest metro line in China. The opening of Shenzhen Metro Line 11 enables the Shenzhen Rail Transit network to connect the high-speed rail and the airport to form a three-dimensional transportation network, which is of paramount significance to promote regional social and economic development.
It's the last one
Signal Renovation Project of Beijing Metro Line 1...
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