That's probably because "doing it right" is expensive.
There should be an 'express' bypass (which actually does this) that hops only among key points (such as the airport to a downtown hub, and maybe the next hub out on the other side).
There should also be /frequent/ service - which probably means you need fully automated routes (it might be best to move the humans to supervising the actual concourses, where human interactions are highest). I also like the idea of a couple days of subservience that's automatically deleted if not expressly copied out for legal proceedings.
Finally, everything should be enclosed and on it's own isolated layer. Subways sound great, above-surface enclosures might work too.
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Why enclosed? Security, noise abatement, weather isolation. The middle point lets you run the trains faster and with less disruption.
There should be an 'express' bypass (which actually does this) that hops only among key points (such as the airport to a downtown hub, and maybe the next hub out on the other side).
There should also be /frequent/ service - which probably means you need fully automated routes (it might be best to move the humans to supervising the actual concourses, where human interactions are highest). I also like the idea of a couple days of subservience that's automatically deleted if not expressly copied out for legal proceedings.
Finally, everything should be enclosed and on it's own isolated layer. Subways sound great, above-surface enclosures might work too.
-
Why enclosed? Security, noise abatement, weather isolation. The middle point lets you run the trains faster and with less disruption.