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September 2013 Traffic Volume Trends

  • Travel on all roads and streets changed by 1.5% (3.7 billion vehicle miles) for September 2013 as compared with September 2012.
  • Travel for the month is estimated to be 241.7 billion vehicle miles.
  • Cumulative Travel for 2013 changed by 0.4% (9.8 billion vehicle miles).
  • Cumulative estimate for the year is 2233.9 billion vehicle miles of travel.

Click here for lists of state by region

  • Estimated Vehicle-Miles of Travel by Region - September 2013 - (in Billions)
  • Change in Traffic as compared to same month last year.
Region Total Travel Percentage Change
North-East 36.4 1.0
South-Atlantic 50.1 2.4
North-Central 55.9 2.0
South-Gulf 48.8 2.4
West 50.5 -0.2


  • All data for this month are preliminary. Revised values for the previous month are shown in Tables 1 and 2.
  • All vehicle-miles of travel computed with Highway Statistics 2011 Table VM-2 as a base.
  • Compiled with data on hand as of Novober 15, 2013.
  • Some historical data were revised based on HPMS and amended TVT data as of December 2011.
  • For information on total licensed drivers in the U.S. visit Select the year of interest then Section III (Driver Licensing).
  • For information on total registered motor vehicles in the U.S., visit Select the year of interest and Section II (Motor Vehicles).
  1. Travel Trends (September 2013)
  2. Individual Monthly Motor Vehicle Travel in the U.S. for September 2013
  3. Changes on Rural Arterial Roads by Region and State
  4. Changes on Urban Arterial Roads by Region and State
  5. Changes on All Estimated Roads by Region and State
  6. Volume Trends – Rural
  7. Volume Trends – Urban
  8. Figure 1 – Moving 12-Month Total on All Highways
  9. Figure 2 – Travel on U.S. Highways By Month


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