Using cellphone data to improve a transportation system

05/8/2013 | MIT Technology Review online

Researchers have used cellphone data to track the movement of people around Abidjan, the largest city in Ivory Coast. By studying the data, IBM researchers think they have hit on a method to optimize the city's transportation system to reduce travel time by as much as one-tenth. Analyzing cellphone data "represents a new front with a potentially large impact on improving urban transportation systems," said researcher Francesco Calabrese. "People with cellphones can serve as sensors and be the building blocks of development efforts."

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