U.S. Highway Vehicle Miles Traveled

Highway Vehicle Miles Traveled

(monthly data, not seasonally adjusted)

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Vehicle miles traveled (VMT) are key data for highway planning and management, and a common measure of roadway use. Along with other data, VMT are often used in estimating congestion, air quality, and potential gas-tax revenues, and can provide a general measure of the level of the nation's economic activity.

NOTES: The current value is compared to the value from the same period in the previous year to account for seasonality.

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Highway Policy Information, "Traffic Volume Trends", available at http://www.fhwa.dot.gov/ as of May 2008.