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Musk believes the system would send pods through the tunnel at a very high speed and drastically reduce travel time. Initial estimates are that the system would allow passengers to travel upwards of 700 miles per hour and be the fastest travel solution for distances less than 2,000 miles per hour.
Musk claims a ticket for the speedy 350-mile trip between San Francisco and Los Angeles would only cost $20. Since the concept is only an idea, no exact information supports his claim.