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Traffic Volume Trends - November 2005

Based on preliminary reports from the State Highway Agencies, travel during November 2005 on all roads and streets in the nation changed by 0.8 percent resulting in estimated travel for the month at 240.5** billion vehicle-miles.

This total includes 87.3 billion vehicle-miles on rural roads and 153.2 billion vehicle-miles on urban roads and streets.

Cumulative Travel changed by +0.2 percent.

Note: Annual travel has been adjusted to match the Highway Performance Monitoring System for 2003. While the adjustment to total travel was less than one percent, rural travel declined 5% and urban travel increased 4% because of this adjustment. 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.

Travel in Millions of Vehicle Miles
All Roads and Streets

Year November Year to Date Moving 12-Month
1980 123,420 1,396,059 1,519,285
1981 124,804 1,425,848 1,550,646
1982 127,061 1,465,342 1,589,763
1983 133,700 1,519,332 1,646,470
1984 137,272 1,580,675 1,710,451
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 222,799 2,528,489 2,749,954
2001 230,536 2,565,983 2,784,419
2002 230,624 2,621,275 2,850,903
2003 233,649 2,651,833 2,886,066
2004 238,565 2,716,330 2,954,947
2005 240,472 2,721,000 2,967,160

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.

** System entries may not add to give "All Systems" total due to rounding for Page 2 to 8.

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