Yeah, it's perfectly reasonable to set this game in a magical fantasy world where underground rail is an order of magnitude cheaper than the US. This fantasy wo

Yeah, it's perfectly reasonable to set this game in a magical fantasy world where underground rail is an order of magnitude cheaper than the US. This fantasy world is commonly referred to as "France" (https://www.citylab.com/transportation/2018/01/why-its-so-expensive-to-build-urban-rail-in-the-us/551408/ https://www.citylab.com/transportation/2018/01/why-its-so-ex...).