Comment on Map Shows Where 220mph Trains Would Go in the U.S.parentComments−lutusp13yI should have said that a comparatively modest roadbed upgrade would allow this speed -- but only compared to the effort required for the higher speeds possible elsewhere.−kposehn13yAh, ok. I would caveat that it is the alignment you can use for high speeds, not necessarily the roadbed, but your point remains the same then.−lutusp13y> I would caveat that it is the alignment you can use for high speeds ...Yes, and welded tracks, apparently a universal way to support high speed operations.
Comments
I should have said that a comparatively modest roadbed upgrade would allow this speed -- but only compared to the effort required for the higher speeds possible elsewhere.
Ah, ok. I would caveat that it is the alignment you can use for high speeds, not necessarily the roadbed, but your point remains the same then.
> I would caveat that it is the alignment you can use for high speeds ...
Yes, and welded tracks, apparently a universal way to support high speed operations.