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November 2010 Traffic Volume Trends

Travel Trends (November 2010)

Based on preliminary reports from the State Highway Agencies, travel during November 2010 on all roads and streets in the nation changed by 1.1 percent (2.6 billion vehicle miles) resulting in estimated travel for the month at 241.8** billion vehicle-miles.

This total includes 79.9 billion vehicle-miles on rural roads and 161.9 billion vehicle-miles on urban roads and streets.

Cumulative Travel changed by 0.7 percent (19.0 billion vehicle miles).

The larger changes to rural and urban travel are primarily because of the expansion in urban boundaries reflected in the 2000 census. Travel estimates for 2004 and beyond will also reflect this adjustment.

Travel for the current month, the cumulative yearly total, as well as the moving 12-month total on all roads and streets is shown below. Similar totals for each year since 1985 are also included.

Travel in Millions of Vehicle Miles All Roads and Streets
Year November Year to Date Moving 12-Month
1985 140,872 1,633,179 1,769,274
1986 147,813 1,688,612 1,830,196
1987 155,676 1,768,748 1,918,376
1988 162,957 1,860,788 2,016,367
1989 169,735 1,939,510 2,104,309
1990 171,565 1,978,880 2,146,410
1991 169,693 1,999,432 2,168,052
1992 177,380 2,066,153 2,238,935
1993 182,322 2,109,876 2,290,875
1994 190,074 2,164,501 2,351,329
1995 194,131 2,229,434 2,422,521
1996 199,643 2,280,740 2,474,081
1997 202,422 2,353,051 2,554,513
1998 211,178 2,409,060 2,616,382
1999 221,856 2,457,994 2,674,296
2000 222,819 2,528,534 2,749,999
2001 230,505 2,565,971 2,784,361
2002 230,629 2,621,022 2,850,599
2003 233,655 2,651,177 2,885,418
2004 239,976 2,718,625 2,957,123
2005 243,275 2,743,078 2,988,620
2006 245,583 2,765,591 3,011,908
2007 245,955 2,789,015 3,037,760
2008 236,902 2,730,978 2,971,754
2009 239,185 2,737,223 2,979,717
2010 241,816 2,756,233 2,998,185

Traffic Volume Trends is a monthly report based on hourly traffic count data. These data, collected at approximately 4,000 continuous traffic counting locations nationwide, are used to determine the percent change in traffic for the current month compared to the same month in the previous year. This percent change is applied to the travel for the same month of the previous year to obtain an estimate of travel for the current month. Because of the limited sample sizes, caution should be used with theses estimates. The highway Performance Monitoring System provides more accurate information on an anual basis.

** System entries may not add up to the give "All Systems" total due to rounding on pages 2 to 8.

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Daniel Jenkins
Office of Highway Policy Information
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United States Department of Transportation - Federal Highway Administration