Railway density in the US vs. Europe, according to OpenStreetMap.

The densest railway network:

  • 🇱🇺Luxembourg 34 km/100 km²
  • 🇧🇪Belgium 32
  • 🇨🇭Switzerland 29
  • 🇨🇿Czechia & 🇩🇪Germany 25.5
  • 🇳🇱Netherlands 21

by @milos_agathon