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Levitation. Maglev trains have no contacts with the rails while they move forward. They are levitated on the guide-way with the help of magnetic forces. Levitation is the process by which an object is suspended against gravity in a stable position without any physical contact.
Advantages of Maglev. The main advantage for Maglev is the high capacity in which it can hold. The maglev concepts that have been studied so far can deliver 12,000 passengers per hour in each direction. An equivalent air capacity would be 60 Boeing 767 s per hour in each direction at 1 minute intervals.