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MiloAshworthy t1_j6mswds wrote

The water table here I think requires all rail to be above ground

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chasetwisters t1_j6ocp05 wrote

Unlikely since all the major NE cities have subways and are at similar elevations/even closer to sea level.

The ultimate reason is subways are ridiculously expensive and we just don't have the population/density to warrant it.

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