As a domain expert in transportation systems, I can provide you with the most accurate information regarding the largest rail network in the world.
The
Chinese Railways, which is managed by the state-owned China Railway Corporation, is currently the largest rail network in the world in terms of both route length and annual passenger ridership. As of my last update, China's high-speed rail (HSR) network alone spans over 37,900 kilometers (23,553 miles), which is the longest in the world. The entire Chinese rail network is extensive, covering both high-speed and conventional rail services, and it continues to expand rapidly.
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