Traffic On Maps Today, Road Conditions

Most Congested Cities in the United States: Boston, Washington, Chicago, New York City, Los Angeles, Seattle, Pittsburgh, San Francisco, Philadelphia, Portland.

The 9 Most Congested Cities in the World

The 9 Most Congested Cities in the World: Moscow (Russia), Istanbul (Turkey), Bogota (Colombia), Mexico (City Mexico), Sao Paulo (Brazil), London (United Kingdom), Rio de Janeiro (Brazil), Boston (United States), Saint Petersburg (Russia)