The 20 Most Traffic-Congested Cities In America

From New York to San Bernardino, drivers in America's cities live in their cars. Below we use Google Earth to take an in-depth look at the intersections of the nation's 20 most traffic-congested cities. » 3/05/09 12:00pm 3/05/09 12:00pm

Baltimore: America's Seventeenth Most Traffic-Congested CIty

2008 Congestion Rank: 17
2007 Congestion Rank: 19
Change In Congestion 2007 To 2008: -30%
Population Rank: 20
Approximate Population: 2,668,000
Road Miles Analyzed: 682
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Chicago: America's Third Most Traffic-Congested CIty


2008 Congestion Rank: 3
2007 Congestion Rank: 3
Change In Congestion 2007 To 2008: -17%
Population Rank: 3
Approximate Population: 9,525,000
Road Miles Analyzed: 1,320 miles
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Miami: America's Fourteenth Most Traffic-Congested CIty

2008 Congestion Rank: 14
2007 Congestion Rank: 11
Change In Congestion 2007 To 2008: -37%
Population Rank: 7
Approximate Population: 5,413,000
Road Miles Analyzed: 739 miles
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Riverside-San Bernardino: America's Twentieth Most Traffic-Congested…


2008 Congestion Rank: 20
2007 Congestion Rank: 16
Change In Congestion 2007 To 2008: -57%
Population Rank: 14
Approximate Population: 4,081,000
Road Miles Analyzed: 612 miles
Worst Hour: Friday @ 4 PM » 3/05/09 11:00am 3/05/09 11:00am

Seattle: America's Ninth Most Traffic-Congested CIty


2008 Congestion Rank: 9
2007 Congestion Rank: 9
Change In Congestion 2007 To 2008: -28%
Population Rank: 15
Approximate Population: 3,309,000
Road Miles Analyzed: 616 miles
Worst Hour: Friday @ 4 PM » 3/05/09 11:00am 3/05/09 11:00am

New York: America's Second Most Traffic-Congested CIty


2008 Congestion Rank: 2
2007 Congestion Rank: 2
Change In Congestion 2007 To 2008: -25%
Population Rank: 1
Approximate Population: 18,816,000
Road Miles Analyzed: 2,073 miles
Worst Hour: Friday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Denver: America's Sixteenth Most Traffic-Congested CIty

2008 Congestion Rank: 16
2007 Congestion Rank: 18
Change In Congestion 2007 To 2008: -26%
Population Rank: 21
Approximate Population: 2,465,000
Road Miles Analyzed: 936 miles
Worst Hour: Friday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Dallas-Ft. Worth Metroplex: America's Fourth Most Traffic-Congested CIty


2008 Congestion Rank: 4
2007 Congestion Rank: 5
Change In Congestion 2007 To 2008: -13%
Population Rank: 4
Approximate Population: 6,145,000
Road Miles Analyzed: 1,618
Worst Hour: Friday @ 5PM » 3/05/09 11:00am 3/05/09 11:00am

Boston: America's Eighth Most Traffic-Congested CIty

2008 Congestion Rank: 8
2007 Congestion Rank: 8
Change In Congestion 2007 To 2008: -26%
Population Rank: 12
Approximate Population: 4,483,000
Road Miles Analyzed: 1,028 miles
Worst Hour: Friday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

San Francisco: America's Seventh Most Traffic-Congested CIty


2008 Congestion Rank: 7
2007 Congestion Rank: 6
Change In Congestion 2007 To 2008: -25%
Population Rank: 12
Approximate Population: 4,204,000
Road Miles Analyzed: 731
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Washington, D.C.: America's Fifth Most Traffic-Congested CIty


2008 Congestion Rank: 5
2007 Congestion Rank: 4
Change In Congestion 2007 To 2008: -26%
Population Rank: 8
Approximate Population: 5,307,000
Road Miles Analyzed: 903 miles
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

San Diego: America's Fifteenth Most Traffic-Congested CIty


2008 Congestion Rank: 15
2007 Congestion Rank: 14
Change In Congestion 2007 To 2008: -47%
Population Rank: 17
Approximate Population: 2,975,000
Road Miles Analyzed: 604 miles
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Los Angeles: America's Most Traffic-Congested CIty


2008 Congestion Rank: 1
2007 Congestion Rank: 1
Change In Congestion 2007 To 2008: -24%
Population Rank: 2
Approximate Population: 12,876,000
Road Miles Analyzed: 1,560 miles
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Philadelphia: America's 11th Most Traffic-Congested CIty

2008 Congestion Rank: 11
2007 Congestion Rank: 12
Change In Congestion 2007 To 2008: -28%
Population Rank: 5
Approximate Population: 5,828,000
Road Miles Analyzed: 1,017 miles
Worst Hour: Friday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Atlanta: America's Twelfth Most Traffic-Congested CIty

2008 Congestion Rank: 12
2007 Congestion Rank: 10
Change In Congestion 2007 To 2008: -36%
Population Rank: 9
Approximate Population: 5,279,000
Road Miles Analyzed: 1,017
Worst Hour: Friday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

Houston: America's Sixth Most Traffic-Congested CIty

2008 Congestion Rank: 6
2007 Congestion Rank: 7
Change In Congestion 2007 To 2008: -16%
Population Rank: 6
Approximate Population: 5,628,000
Road Miles Analyzed: 1,170 miles
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am

San Jose: America's Eighteenth Most Traffic-Congested CIty

2008 Congestion Rank: 18
2007 Congestion Rank: 20
Change In Congestion 2007 To 2008: -22%
Population Rank: 31
Approximate Population: 1,804,000
Road Miles Analyzed: 375 miles
Worst Hour: Thursday @ 5 PM » 3/05/09 11:00am 3/05/09 11:00am