this post was submitted on 11 Apr 2026
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It's less about size and more about population density.
Japan is 338 people per square kilometer https://en.wikipedia.org/wiki/Demographics_of_Japan
China is 147 people per square kilometer total https://en.wikipedia.org/wiki/Demographics_of_China
The US is 36 people per square kilometer https://www.census.gov/data/tables/time-series/dec/density-data-text.html
The US could build long distance high speed rail like Japan and China, but the ridership level would be rock bottom due to the low population density.
Do the densly populated areas should be first to be connected im the US.
Those statistics are misleading. China's population is very unevenly distributed between the east and west, but Western China is still serviced by high-speed railway.
The 1786km Lanzhou–Urumqi HSR serves three Western Chinese provinces: Gansu (57.7 people per sq km), Qinghai (8.2) and Xinjiang (15.8).
I think it would be fine to just build the stations in big cities. Nobody is demanding high speed rail across Alaska.