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What the article refers to is a cost estimate for the Koto Waterfront line, which hasn't been approved at this point, let alone started construction. Whether it
by achamayou 10y ago
What the article refers to is a cost estimate for the Koto Waterfront line, which hasn't been approved at this point, let alone started construction. Whether it will be built on budget is anyone's guess.
The route would also be in a relatively recently built area, so it's not hard to imagine why it would be cheaper to plan and execute that a route under Manhattan.
I don't know very much about NYC, but the comparison does not seem fair.
- jpatokal 10y agoTokyo'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 10y agoWhere is this cost going? Manhattan has much harder soil and the new subway required an extensive dewatering and water proofing projects.