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You only have to build them were tracks are close to homes.

• b112 2y ago
  Yet up-post said "miles" from homes. That means a lot more tha just close to houses. It means miles from towns.
  • adrianN 2y ago
    „Can be heard“ is not the problem we’re trying to fix, and no reasonable amount of engineering can fix that . Maybe if you converted everything to maglev and limited speeds to 20mph.
    • lukan 2y ago
      If something can be heard miles away, it usually means it is very loud close by. And this could be reduced.
      • adrianN 2y ago
        Indeed, but you don't need to do stuff to tracks that are miles away from homes.
        • lukan 2y ago
          Yes, but in crowded germany, there aren't that many tracks "miles away from homes".