[Alberta's Child]

Where did your “$200 to $500 million”‘figure something from? I always get suspicious when I see statements about how much something “should” cost.

[Alberta's Child]

Sorry — where did that cost range COME from?

[Tolerance Sucks Rocks]

I got it from this line in the post:

In New York City, new tunneling for Metropolitan Transportation Authority subway lines has cost between $1.5 and $3.5 billion per mile, The New York Times reported, which is, itself, seven times the average cost of subway construction in metropolitan areas around the world.