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            january 26, 2020

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Advanced signaling and control system to be equipped on Chongqing’s first metro line


Together with China Railway Signal & Communication Corp. (CRSC), Siemens Mobility Division will equip the first conventional metro line of Chongqing, the world’s largest city, with its most up-to-date signaling and control system. The signaling and control system will make it possible to run trains at shorter headways and
adjust operation more quickly to changing passenger volumes. The line will enter public service in 2011.
With a population of more than 30 million, Chongqing has experienced remarkable growth in the past years. Widely acknowledged as the “City of Hills” for its hilly slopes, Chongqing now requires infrastructure modernization, especially in the field of transportation. The operation of the metro Line 1 is expected to ease the transport burden on the city. The first metro line, with underground, at-grade and elevated sections, is about 36 kilometers in length and will serve a total of 23 stations.
The line will be equipped with state-of-the-art Trainguard MT, the modular automatic train control system from Siemens, and a radio system to ensure the continuous exchange of data between the line and the vehicle. The train control system also includes an intermittent fallback level based on ETCS components such as balises and
lineside electronic units (LEUs). Thus Siemens is providing an operationally optimized solution that will increase the availability of the overall system and, at the same time, ensure maximum possible safety and flexibility for the future metro operator. The scope of delivery also includes the operation control center, the lineside facilities comprising the interlockings, the automatic train control and radio systems, and the on-board components.
Siemens’ advanced signaling technology and successful project execution guarantee the safe, punctual and comfort operation of many metro lines around the country.
Trainguard MT has already been successfully applied on many Chinese metro lines including Beijing Lines 10 and 8, Guangzhou Metro Lines 4 and 5, as well as Nanjing Line 2.

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