rbmavpdubcejefntvz t1_jbos31i wrote on March 10, 2023 at 4:02 PM Reply to comment by calebnf in Cost of 2nd Avenue Subway extension to East Harlem balloons to $7.7B by Grass8989 I remember reading one mile of subway tunnel in NYC costs 20x the amount it costs to install one mile in London. Permalink Parent 23
rbmavpdubcejefntvz t1_jbos31i wrote
Reply to comment by calebnf in Cost of 2nd Avenue Subway extension to East Harlem balloons to $7.7B by Grass8989
I remember reading one mile of subway tunnel in NYC costs 20x the amount it costs to install one mile in London.