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Traffic Volume Trends - February 2007

Based on preliminary reports from the State Highway Agencies, travel during February 2007 on all roads and streets in the nation changed by -1.9 percent resulting in estimated travel for the month at 215.2** billion vehicle-miles.

This total includes 71.2 billion vehicle-miles on rural roads and 144 billion vehicle-miles on urban roads and streets.

Cumulative Travel changed by -1.4 percent.

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 1982 are also included.

Travel in Millions of Vehicle Miles
All Roads and Streets

Year February Year to Date Moving 12-Month
1982 107,512 217,269 1,541,724
1983 111,828 231,263 1,606,475
1984 117,483 240,013 1,657,857
1985 119,367 243,488 1,720,246
1986 123,526 256,524 1,787,798
1987 135,996 275,914 1,857,631
1988 141,748 290,627 1,939,041
1989 146,732 306,482 2,041,441
1990 153,559 317,159 2,117,716
1991 153,351 311,240 2,141,582
1992 160,204 327,856 2,188,830
1993 162,844 334,524 2,253,820
1994 166,444 335,758 2,297,939
1995 171,053 364,891 2,386,720
1996 176,562 360,027 2,417,911
1997 183,950 374,076 2,496,251
1998 187,167 384,037 2,570,334
1999 191,485 385,067 2,626,392
2000 199,369 402,951 2,697,344
2001 200,933 410,707 2,754,681
2002 208,313 423,543 2,808,446
2003 203,746 422,496 2,854,460
2004 213,824 436,444 2,904,399
2005 220,234 444,006 2,970,053
2006 219,380 450,575 2,999,309
2007 215,124 444,244 2,990,753

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 these estimates. The Highway Performance Monitoring System provides more accurate information on an annual basis.

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

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