[BasilAwad]

$8.24 billion for 7 miles of tunnel

[coldtea]

What's the point of this? That you can do it cheaper? Under New York? With the necessary precautions and the same specs?

[BasilAwad]

amazement. sorry for the ambiguity.

[blackjack48]

That's about standard for a deep-bore tunnel in the U.S. these days. The 1.7 mile long Central Subway in SF is $1.6b (without factoring in the inevitable cost overruns.)