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5. New York

5. New York
Congestion score: 19.9
Population density: 2,826 people per sq. mile (the highest)
Average commute time: 34.9 minutes (the highest)
Percentage driving to work: 56.6% (the lowest)

With 2,896 people per square mile in 2010, New York had the highest population density of any metro area in America. That year, nearly 19 million people lived either in New York or the surrounding towns and cities, and many of them made long commutes to work daily. The average travel time to work in 2011 was nearly 35 minutes, the most of any metro area in the nation. New York ranked among the most congested metro areas despite more residents using public transit to get to work and fewer residents using cars than anywhere else in the nation. Four of the 10 worst congested corridors in America last year were located in New York, including the nation’s worst: an 11.3 mile stretch of the Cross Bronx Expressway.

The 10 U.S. cities with the worst traffic

Last year, the average American driver wasted 38 hours sitting in

traffic. While the occasional traffic jam inconveniences most drivers,

some unlucky people live in the nation’s most congested cities. To determine the 10 cities with the

worst traffic, 24/7 Wall St. reviewed figures published by INRIX, a

traffic information and services group. The INRIX scorecard assigns an

index score for the 100 largest metropolitan statistical areas, and

individual road segments within those areas. Scores are functions of the

percentage difference between road segments’ uncongested (or “free

flow”) travel time and the calculated travel time on the roads during

peak hours. 24/7 Wall St. also reviewed population density from the 2010

Census, as well as travel time and commuting methods for each metro

area from the Census Bureau’s 2011 American Community Survey. All data

used were the most recent available. These are the 10 cities with the

worst traffic.