U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Seasonally adjusted data are modeled by the Bureau of Transportation Statistics, Office of the Assistant Secretary for Research and Technology, U.S. Department of Transportation. See http://www.transtats.bts.gov/OSEA/SeasonalAdjustment/ for additional seasonally adjusted travel data and information.
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