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> A single stop adds much more than five minutes to total transit time. [EDIT: Apparently this doesn't apply to maglev. This could be a game changer for HSR in the American political landscape.]

That is false even for non mag-lev. Do the math as I did: at .7 m/s/s (which is what shinkansen does) it takes less than 90 seconds to get to 300 km/h. That leaves far more time than is needed at the station (1 minute is plenty if the train is designed right). You don't count stop time at all because it averages out with the acceleration.



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