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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Table 3-2: Yearly Hours of Delay per Auto Commuter, by Most Congested Urban Areas by Population Group

Wednesday, August 20, 2014
Urban area Population group Yearly Hours of Delay per Auto Commuter Long-Term Change 1982-2011
1982 2000 2005 2010 2011 Hours
Washington DC-VA-MD Very Large 18 65 74 66 67 49
Los Angeles-Long Beach-Santa Ana, CA Very Large 37 72 78 61 61 24
San Francisco-Oakland, CA Very Large 24 72 89 60 61 37
Nashville-Davidson TN Large 23 48 57 46 47 24
Denver-Aurora CO Large 11 42 48 44 45 34
Orlando FL Large 13 55 51 44 45 32
Honolulu HI Medium 19 34 43 45 45 26
Baton Rouge, LA Medium 10 36 43 42 42 32
Bridgeport-Stamford CT-NY Medium 13 51 54 42 42 29
Worcester MA-CT Small 13 40 40 33 33 20
Cape Coral, FL Small 10 29 36 29 30 20
Columbia SC Small 5 20 24 30 30 25

KEY: Very large urban areas – 3 million and over population; large urban areas – 1 million to less than 3 million population; medium urban areas – 500,000 to less than 1 million population; small urban areas – less than 500,000 population.

NOTE: To be consistent with NTS Table 1-71 and table 3-3 of this report, Knoxville was left in the "small" urban category even though TII's 2012 Urban Mobility Report classifies it as a medium urban area. "Yearly Delay per Auto Commuter" is calculated by dividing the extra travel time during the year by the number of people who commute in private vehicles in the urban area.

SOURCE: Texas Transportation Institute's (TII) 2012 Urban Mobility Report, Powered by INRIX Traffic Data, refer to http://mobility.tamu.edu/ums/national-congestion-tables/ as of July 5, 2013.