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Can it go this fast while in service? Is it practical to do so? Where does this leave Maglev?
While the country’s high-speed rail system has yet to turn a profit on a national scale
Lots of brainworms in this sentence. It is never the purpose of infrastructure projects to turn a profit.
It must be nice to live in a country that is capable of building things other than highways and single-family home suburban developments.
Ah yes beating the global speed record of 574,8 km/h!
On conventional rail? I think you mean that one TGV example with no cars or passengers just an engine car?
That’s a bit disingenuous of a headline. They compared a prototype to an inservice production speed. As stated, other prototypes have exceeded 500km/h. Now if this goes into service it’ll hold the record there.
How are they with angles?
They can sometimes be obtuse, but otherwise mostly acute
A record in what? It's far behind the world records.
Maybe maybe not. That TGV was just an engine car.