U.S. Department of Transportation
Federal Highway Administration
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September 2011 Traffic Volume Trends – Travel Monitoring and Traffic Volume – Office of Highway Policy Information (OHPI) – FHWA
Travel Monitoring and Traffic Volume
September 2011 Traffic Volume Trends
- Travel on all roads and streets changed by -1.5% (-3.7 billion vehicle miles) for September 2011 as compared with September 2010.
- Travel for the month is estimated to be 244.2 billion vehicle miles.
- Cumulative Travel for 2011 changed by -1.3% (-29.8 billion vehicle miles).
- Cumulative estimate for the year is 2,222.5 billion vehicle miles of travel.
- Estimated Vehicle-Miles of Travel by Region – September 2011 – (in Billions)
- Change in Traffic as compared to same month last year.
- 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 2009 Table VM-2 as a base.
- Compiled with data on hand as of November 10, 2011.
- Some historical data were revised based on HPMS and amended TVT data as of December 2009.
- For information on total licensed drivers in the U.S. visit http://www.fhwa.dot.gov/policy/ohpi/hss/hsspubs.htm. Select the year of interest then Section III (Driver Licensing).
- For information on total registered motor vehicles in the U.S., visit http://www.fhwa.dot.gov/policy/ohpi/hss/hsspubs.htm. Select the year of interest and Section II (Motor Vehicles).
- Travel Trends (September 2011)
- Individual Monthly Motor Vehicle Travel in the U.S. for September 2011
- Changes on Rural Arterial Roads by Region and State
- Changes on Urban Arterial Roads by Region and State
- Changes on All Estimated Roads by Region and State
- Volume Trends – Rural
- Volume Trends – Urban
- Figure 1 – Moving 12-Month Total on All Highways
- Figure 2 – Travel on U.S. Highways By Month
Page last modified on November 7, 2014.