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Taxi! Data Viz of 10,000 Taxi's in Manhattan

Taxi! is an analytical model that maps the trip data for 10,000 taxi rides over the course of 24 hours. Geographic location data for the origin and destination of each ride is combined with waypoint data collected from the Google Maps API in order to generate a geographically accurate representation of the trip:

Taxi! from Juan Francisco Saldarriaga on Vimeo.
The team used data from taxi rides originating or ending in the neighborhoods of Lincoln center or Bryant Park. The visualization recreates a ‘breathing’ map of Manhattan based on the migration of vehicles across the city over a period of 24 hours, displaying periods of intensity, density and decreased activity.

This project was a collaboration between Tom McKeogh, Eliza Montgomery and Juan F Saldarriaga. It was done for SEARCH class taught by Mark Collins and Toru Hasegawa (Proxy), at GSAPP, Columbia University, Fall 2011.

As part of the reseach they acknowledge the support of the CUNY High Performance Computing Center under NSF Grants No. CNS-0855217 and No. CNS-0958379.

For any additional information please contact Juan Francisco Saldarriaga at

As a side note we also like the music by Rob Viola of


  1. What was the source of your data? How did you actually get the time tracks of the 10K rides?

  2. good article. it is very useful to read

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