15 U.S. Cities With the Worst Traffic

The biggest business and entertainment centers of the United States typically have the most traffic—especially during dreaded “rush hour.” If you visit one of these 15 capitals of congestion, research the road rules ahead of time! 

Washington, D.C.

There’s always something happening in the nation’s capital, and commuters regularly file into and out of the city via Interstates 66, 95, and the Capital Beltway. Despite a well-oiled public transportation system, the congestion is real. Every year, this center of government ranks at the top of INRIX’s Global Traffic Scorecard.

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