This is why graphic designers should be kept as far away from projects that create things that must be used by other people and not just admired for their beauty. The current subway map is a good map because it was basically designed by sociologists. Sociologists should be doing much more designing than what we ask of them today. This is one of the reasons the current map shows some but not all curves along a train line- the sociologists figured out that if a curve can be felt onboard a train then it is best to try to reflect the curve on the map. To not do so makes people feel uneasy. If I need beautiful or creative content for my art gallery, graphic designers are invited. If I need to create something useful then they are not.