The article might focus on the US but Canada shouldn't be overlooked for its own neglect of high-speed rail. The Toronto-Montreal corridor is a clear candidate for such a service which has been promised onwards of decades now.
[0] https://www.worldcat.org/title/last-train-across-canada/oclc...
And in the north, spaceX rockets might be cheaper.
https://wywing.files.wordpress.com/2017/03/us_population_den...