Subway Statistics

4.5 Million - number of passengers the subway handles daily
1.4 Billion - number of passengers the subway handles every year
842 - number in miles of track
468 - number of stations
31,000 - number of turnstiles
13 million - number in gallons of water pumped out of the subway system daily
100,000 - number in miles an average car travels between breakdowns
6,200 - number of cars in subway system
45,600 - number of employees it takes to keep the subway running
4'8" - distance between the rails (track gauge)
1 - number of years the average New Yorker will spend underground during a lifetime

* statistics taken from "The Works" by Kate Ascher