It goes without saying that it’s much easier to enjoy a city when you can easily get around it. That's why the best tourism cities boast superb public transit systems — publicly subsidized networks of trains, subways, buses and boats that can quickly and cheaply get you where you want to go.
According to John Fairfield, professor of history and urban development at Xavier University, public transit systems have other benefits, too, including a reduced energy footprint and improved safety, since cars are a far more dangerous way to get around. And the best systems have charm and character to boot.
So, which metropolises offer the best public transit systems in the world? It’s a somewhat relative question since some people value affordability over efficiency or sustainability over ease. But experts agree that the following 15 city systems are among the finest you’ll ever have the pleasure of using.
Spoiler alert: If you want great public transporation, Asia and Europe are the places to go!