After two months on the street, New York’s first bike-sharing program Citi Bike is starting to yield some interesting data about how riders are actually using the service. Citi Bike has made this kind of data surprisingly transparent — it’s simple to see real-time information on where bikes are available – but the New Yorker went one step further, measuring usage at fifteen-minute intervals from June 8th through July 8th and plotting it on an interactive map.
See the ebb and flow of Citi Bikes in New York City


On the surface it might just look like a bunch of pulsating bubbles, but upon looking further you can see the city come alive: a herd of commuters traveling south to the Financial District, or meandering weekend journeys, or a westward trek just before the July 4th fireworks on the Hudson river.
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