When I come to a new city, I usually pay close attentions to its metro system. Of course, it rarely shows up in TripAdvisor as an attraction of the city, but for me, it’s not only a necessity (based on a quite tight budget, public transportation is almost always our first choice), but also can tell a lot more about the history of the city, the people and the daily life here.

I’m not a traveler myself, I have visited only Rome, Paris,  Venice, Florence London, San Francisco and New York, and of course Stockholm – where I am living. Venice and Florence have no metro I’d know of, and I only tried BART (Bay area rapid transport) in San Francisco, so only metro systems in remaining cities count. In those five, I know Stockholm metro system (tunelbanna) the best, and like it the most, so this post can be highly biased opinion. If I did misunderstand a metro system, kindly point it own.

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