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If you are making a tunnel through a mountain to transport individuals, the cost of the vehicles is immaterial relative to the cost of the tunnel. A tunnel that

If you are making a tunnel through a mountain to transport individuals, the cost of the vehicles is immaterial relative to the cost of the tunnel. A tunnel that can carry 700 people an hour is mostly worthless, even if it was cheaper than a tunnel that can carry many trains per hour.

cozzyd 3y ago
Indeed. The Las Vegas tunnel is hilariously useless.
- smcl 3y ago
  It genuinely seems closer in capacity to some theme park novelty train for kids than any kind of mass transit. It does have RGB gamer lighting though, I suppose