• Study names worst traffic hotspot in all of Boston


    BOSTON - Among all of the congestion in Boston-metro, one area stands out above the rest, according to a new study. 

    INRIX, a company that uses technology and data to study the movement of people to help with city planning, published the worst traffic hotspots in the 25 most congested U.S. cities. 

    Overall, Boston was named the 10th worst U.S. city for traffic congestion. Boston's Mass Turnpike Exit from the Boston University Bridge overpass to Oak Street in Chinatown was ranked the worst out of all of Boston's 4,158 hotspots. 

    >>RELATED: Global traffic scorecard: Boston ranks 18th for worst congestion in the world

    INRIX Roadway Analytics said it determined the ranking by an "impact factor," which was based on duration, length and frequency of traffic jams. A hotspot is defined as where observed speed drops 65 percent below the uncongested speed for at least two minutes. 

    INRIX says that Boston's traffic its impact factor at 2.4 million. The cost of congestion by 2026 is estimated to be $18.9 billion. 

    >>RELATED: I-93 near Boston responsible for two of the worst traffic bottlenecks nationwide

    Los Angeles was number one on the list, followed by New York, Washington D.C., Atlanta and Dallas, to round out the top five. 

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