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![What's the Largest Metro System in the World? [Shanghai Metro Explained] : r/transit](https://external-preview.redd.it/mNbufbzdXQGGosXLXeSI7F__zYXlxWVW422cEid7LFY.jpg?width=640&crop=smart&auto=webp&s=958ec68c33565b02f24c9f87a7969d497f1a6c5b "What's the Largest Metro System in the World? [Shanghai Metro Explained] : r/transit")
What's the Largest Metro System in the World? [Shanghai Metro Explained] : r/transit
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![The Largest Metro Systems Worldwide [Infographic]](https://infographicjournal.com/wp-content/uploads/2017/11/largest-metro-systems-feat.jpg "The Largest Metro Systems Worldwide [Infographic]")
The Largest Metro Systems Worldwide [Infographic]
