China's first cross-Yellow River metro line begins trial operation

By Ma Jingna | chinadaily.com.cn | Updated: 2019-06-24 02:26
A couple takes a selfie at a subway station on the newly-opened Metro Line 1 in Lanzhou, Northwest China's Gansu province, on Sunday. The subway line is country's first one running under the Yellow River, China's second longest river. [Photo/VCG] 

The first phase of Lanzhou Metro Line 1, the first rail transit line in Gansu province, officially opened for trial operation. It is also the first rail transit line crossing the Yellow River in China, marking the formal entry of Lanzhou city of Gansu province into the "Metro Era".

As per the announcement, the first phase project of Lanzhou Metro Line 1 formally started in March 2014, passing through four urban districts of Lanzhou from east to west. The total length of the main line of the first phase is 25.9 kilometers, all of which are underground lines, with overall investment of 19.816 billion yuan.

Lanzhou is a narrow terrain of "two mountains and one river". As a backbone line of urban traffic, the opening of the first phase of Lanzhou Metro Line 1 is of great significance in improving urban function, saving urban space and alleviating urban traffic congestion.

The first phase of Lanzhou Metro Line 1 is the first rail transit line under the Yellow River in China, and the constructors have successively overcome technical problems such as shield tunneling through the Yellow River and construction of stations and tunnels under the geological conditions of red sandstone, and the tunnel has crossed the Yellow River twice, said Duan Tingzhi, chairman of the Lanzhou Rail Transit.

For the convenience of the public, Lanzhou Rail Transit Line 1 adopts a single-way ticket, a joint traffic card, a silver-linked card with a flash-paying function, and a variety of payment methods such as the Lanzhou Rail Transit app.

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