Tokyo's newest subway the Fukutoshin line, spanning some of Tokyo's most congest... | Hacker News

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_0nac on Jan 2, 2017 | parent | context | favorite | on: NYC's brand new subway is the most expensive in th...

Tokyo's newest subway the Fukutoshin line, spanning some of Tokyo's most congested areas (Shibuya, Shinjuku, Ikebukuro), cost around $250m/km, so still around 1/4 of the NYC cost.

cmurf on Jan 2, 2017 [–]

Where is this cost going? Manhattan has much harder soil and the new subway required an extensive dewatering and water proofing projects.

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