The market share equation is based on time, not distance: https://en.wikipedia.org/wiki/High-speed_rail#Market_shares https://en.wikipedia.org/wiki/High-speed_r

The market share equation is based on time, not distance: https://en.wikipedia.org/wiki/High-speed_rail#Market_shares https://en.wikipedia.org/wiki/High-speed_rail#Market_shares Madrid - Barcelona is basically the same distance as SF - LA and used to be the busiest air route in the world and is now 63% rail since the 2.5 hr HSR got built. https://www.globalrailwayreview.com/news/66620/barcelona-madrid-85-million-passengers/ https://www.globalrailwayreview.com/news/66620/barcelona-mad... While there are still flights from Tokyo to Osaka, it is now 85% rail market share. https://www.railway-technology.com/features/faster-flying-high-speed-rail-routes-taking-air-industry/ https://www.railway-technology.com/features/faster-flying-hi...