A study by MIT researchers could lead to better ways of programming a city’s stoplights to reduce delays, improve efficiency, and reduce emissions. The new findings are reported in a pair of papers by MIT assistant professor of civil and environmental engineering Carolina Osorio and alumna Kanchana Nanduri in the journals Transportation Science and Transportation Research: Part B. In these papers, the researchers describe a method of combining vehicle-level data with less precise—but more comprehensive—city-level data on traffic patterns to produce better information than current systems provide.
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