It's been a rough couple of months for Citi Bike, what with the revelation that the program requires "tens of millions" to stay afloat, or news that annual membership rates could skyrocket from $95 to $150/year. Still, that's not stopping Columbia University fromattempting to perfect the imperfect system.
Using weekday data from October 2013, researcher Juan Francisco Saldarriaga at Columbia's Spatial Information Design Lab mapped demand imbalances at every Citi Bike station in the city.
Some of the findings are expected, with the worst imbalances occurring from 6 to 10am and 4 to 8pm. Peak data in the morning shows most bikes leaving residential neighborhoods (the Lower East Side, the East Village, Chelsea, and Hell's Kitchen), and arriving at Midtown East and the Financial District. The opposite is true in the afternoon and evening.
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