NYC Subway Ridership Map
An interactive map of the New York City subway system showing ridership trends from 1905-2006. Ridership levels are indicated by subway line thickness, and you can use the slider in the lower right to navigate through time. Map powered by Modest Maps. By Sha Hwang.
URL http://diametunim.com/shashi/nyc_subw...
Added 18 May 2009
Tags local, transit, urban, history, usa
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