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We can, and have, crested such tubes at various times in the past. While expensive and require dedicated fixed routes, they can also move lots of people very qu
by freeone3000 4y ago
We can, and have, crested such tubes at various times in the past. While expensive and require dedicated fixed routes, they can also move lots of people very quickly with nearly no congestion. A shame we can never build these anymore.
- stouset 4y agoCongratulations, you’ve reinvented a metro subway but with extra steps.