U.S. HIGHWAY VEHICLE MILES TRAVELED

U.S. HIGHWAY VEHICLE MILES TRAVELED

Highway Vehicle Miles Traveled (monthly data with underlying trend)

ighway Vehicle Miles Traveled (monthly data, not seasonally adjusted)

Vehicle miles of travel (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 nations economic activity.

Vehicle Miles Traveled    May-00       May-01   
Millions of highway miles 237,596 238,865
Vehicle miles percent change from same month previous year    2.95    0.53

NOTE: The current value is compared to the value from the same period in the previous year to account for seasonality.
A trendline has been provided for vehicle miles traveled. The trend has been calculated through a statistical procedure called Structural Modeling, in which the time series under study is decomposed into seasonal, trend and irregular components. For further information on this statistical procedure, see: S.J. Koopman, et al., STRUCTURAL TIME SERIES ANALYSER, MODELLER AND PREDICTOR (STAMP), London: Timberlake Consultants Ltd. , 2000

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Highway Policy Information, available at http://www.fhwa.dot.gov/ohim/tvtw/tvtpage.htm.