"The Science (and Maps) Behind Finding Available Citi Bikes and Docks" - Streetsblog

Streetsblog contributor Stephen Miller wrote about our CitiBike Rebalancing study: 

"Coming across an empty bike-share station when you need a bike — or a full one, when you need a dock — is a disappointing experience, to say the least. While Citi Bike’s rebalancing efforts try to keep up by shuttling bikes around town, the company is working against a tide that shifts demand unevenly across its service area.

Juan Francisco Saldarriaga, a researcher at Columbia University’s Spatial Information Design Lab, mapped those demand imbalances as part of a project the lab is working on. ”Origins and destinations of Citi Bike trips are not necessarily symmetrical during the day,” he wrote. To untangle the patterns of bike-share riders, the team used weekday data from last October to create a matrix showing imbalances at every station by hour of day."

Read more. 

 

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