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China operates the world's largest and most extensive metro network, with over 40 cities boasting rapid transit systems that collectively span thousands of kilometers. The country's metro expansion has been nothing short of remarkable, with new lines and stations opening regularly to serve the massive urban populations across the nation.

Beijing and Shanghai lead the way with two of the world's longest metro systems, featuring state-of-the-art technology, automated operations, and impressive ridership numbers. Chinese metro systems are known for their efficiency, punctuality, and integration with other transportation modes, playing a crucial role in managing the mobility needs of some of the world's most populous cities.