You're comparing a vast corridor connecting half of the Atlantic Seaboard [0] with individual cities. The US East coast between DC and Boston has 3x the popula

You're comparing a vast corridor connecting half of the Atlantic Seaboard [0] with individual cities. The US East coast between DC and Boston has 3x the population density of France (and has a larger total population). Yet France has the TGV, with many long stretches of 300 km/h traffic, and all the Northeast US has is Acela. 0. https://commons.m.wikimedia.org/wiki/File:Boswash.png#mw-jump-to-license https://commons.m.wikimedia.org/wiki/File:Boswash.png#mw-jum...