A new 54.2km commuter line serving 16 stations between Nanjing and Ma’anshan in eastern China opened to passengers on April 22. The line runs from the southern terminus of Nanjing Metro Line 7 at Xishanqiao southwest to Ma’anshan Taibai station.

The line is currently operated with a fleet of 120km/h, four-car B EMUs, but has capacity for six-car trains if required in the future. The fleet is maintained at depots in Binjiang in the north, and Dangtu’nan in the south.

The line was built by the Nanjing branch of the Electrification Company of China Railway Fourth Bureau. Construction of the Ma’anshan section started in March 2021, and of the Nanjing section in December of that year. Testing started in late January.

The line is the first inter-provincial commuter line in China, operating within the jurisdictions of both Jiangsu province, of which Nanjing is the capital, and Anhui province, in which Ma'anshan is a centre of steel production. The line is known as S2 within Nanjing province only. A journey along the full length of the line costs Yuan 9 ($US 1.32), and stored value public transport cards issued by both cities can be used.

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