lcloo
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Wheeled high speed train will generate huge amount of heat due to friction on the metal wheels and rail tracks. It also will need huge power to move at high speed. The highest economically viable operational speed currently achieved is around 350-380 km/hr. There is also the increasing risk of the train jumping the rail track.Is it not possible to get to 600km/h without maglev?
It is not possible to run a wheeled train on 600 km/hr safely.
Maglev trains have no wheels and are not in contact with the rail track. Without frictions, it moves in the air efficiently.