Taking public transportation in an unfamiliar city can be daunting. But if the city you’re in has an effective system, there’s no need to waste money on cab fare or Uber when you could be saving money — and maybe even getting somewhere faster — with public transportation. The folks at Business Insider have created a chart detailing some of the best public transport systems around the world, from Paris, France, to Seoul, South Korea. Next time you’re in one of these cities, hop on for a ride. To view the chart, click here.