Alstom to supply core train systems for first driverless metro line in Nanjing, China. Credit: Copyright Alstom | J. Gerard.

Nanjing Metro in China has signed a contract with Alstom to procure traction systems and a train control and monitoring system (TCMS).

These systems will be installed on 318 metro cars that will operate on Line 7, the first driverless metro line in the city.

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Under the €50m contract, Alstom will also carry out a technical review of the systems.

The French rolling stock manufacturer will deliver the OptONIX traction system, specifically developed for the Chinese market.

Shanghai Alstom Transport Electrical Equipment, a joint venture (JV) company, will manufacture these traction systems. A second Alstom JV, Xi’an Alstom Yongji Electric Equipment, will be responsible for supplying the traction motors.

Alstom China and East Asia managing director Olivier Loison said: “This contract confirms Alstom’s leading role in driverless metros in China. This role stems from the performance of 28 driverless metro projects around the world, including seven in China.

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“Compared to other metro lines, metro lines with unattended train operations can reduce required manpower by 30-70%, achieve higher frequency, increase space for passengers, and improve reliability by over 50%.”

Recently, Alstom secured a similar contract to supply OptONIX traction systems for 222 metro cars that will run on Xi’an Metro Line 5.

The 35km-long Nanjing Line 7 connects the southwest part of the city with the northeast. The line comprises 27 stations and is scheduled to feature interchange stations with 11 metro lines in the future.

The line is expected to become operational in 2021.

Alstom has been involved with the development of the Nanjing metro system by delivering metros, traction systems, signalling and other services.

It has supplied 456 metro cars for Nanjing Line 1 and Line 2, as well as traction systems for 534 metro cars on Nanjing Line 4, 10, S1 and S3.

Additionally, the French firm supplied signalling systems for the Ningtian Intercity Line, and traction overhaul services for Nanjing Lines 1 and 2.