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NYC Subway Was Delayed by 1930s Signals. A Fix Is Finally Coming

nytimes.com

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Re: NYC Subway Was Delayed by 1930s Signals. A Fix Is Finally Coming

#2
“the cost estimate for installing new signals on the 12-mile-long piece of the Lexington Avenue line, at $3 billion”

15 years ago China built the 19 mile Shanghai maglev for $1.3 billion. Top speed is 268 mph.

https://en.wikipedia.org/wiki/Shanghai_maglev_train