https://noahpinion.substack.com/p/i-dont-get-the-high-speed-rail-thing
«A round trip between SF and L.A. costs a little over $100. A flight between the two costs maybe $100 to $150. A round trip between Osaka and Tokyo (a slightly shorter distance) costs over $200. … If people expect a high-speed train ticket to cost “a little more than a local train ticket”, rather than “a little more than an airplane ticket”, they need to look at some actual prices.»