MIT’s Super-Efficient Dispatching Algorithm Minimizes a City's Taxi Fleet


An app-based algorithm could cut Manhattan’s cab population by nearly a third

Photo: iStockphoto

Researchers at MIT say they’ve found an efficient dispatching algorithm that can cut a city’s fleet of taxis by 30 percent.

They describe their work in a paper published today in Nature.

“New York would need 30 percent fewer vehicles if the taxi fleet, even with human drivers, is managed better,” Carlo Ratti, the director of MIT’s Senseable City Lab tells IEEE Spectrum. That’s a big savings, both in taxis and in the space they take up on city streets. New York’s 14,000-odd taxis log some 500,000 trips a day. 

The technology

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