|Highway Statistics 2005||OHPI > Highway Statistics > 2005 > Roadway Extent, Characteristics, and Performance > Table VM-1|
|January 2011||Table VM-1|
OR MORE TRUCKS 3/
OR MORE AND
|Motor-Vehicle Travel: (millions of vehicle-miles)|
|2005||Other Arterial Rural||210,331||1,413||973||143,976||13,815||25,946||354,307||39,762||396,455|
|2005||Total Rural and Urban||1,708,421||10,454||6,980||1,041,051||78,496||144,028||2,749,472||222,523||2,989,430|
|2005||Number of motor vehicles registered 4/||136,568,083||6,227,146||807,053||95,336,839||6,395,240||2,086,759||231,904,922||8,481,999||247,421,120|
|2005||Average miles traveled per vehicle||12,510||1,679||8,649||10,920||12,274||69,020||11,856||26,235||12,082|
|2005||Person-miles of travel (millions) 5/||2,699,305||13,277||147,992||1,804,848||78,496||144,028||4,504,153||222,523||4,887,945|
|2005||Fuel consumed (thousand gallons) 6/||77,418,461||189,495||1,120,053||58,869,088||9,501,105||27,688,664||136,287,548||37,189,769||174,786,875|
|2005||Average fuel consumption per vehicle (gallons) 6/||567||30||1,388||617||1,486||13,269||588||4,385||706|
|2005||Average miles traveled per gallon of fuel consumed 6/||22.1||55.2||6.2||17.7||8.3||5.2||20.2||6.0||17.1|
1/ The 50 states and the District of Columbia report travel by highway category, number of motor vehicles registered, and total fuel consumed. The travel and fuel data by vehicle type and stratification of trucks are estimated by the Federal Highway Administration (FHWA). Entries for 2004 may have been revised based on the availability of more current data. Estimation procedures include use of State-supplied data, the 2002 Census of Transportation Vehicle Inventory and Use Survey (VIUS), and other sources. Some States may still be using 1990 Census-based urbanized area boundaries which may in turn affect highway data by category.
2/ Other 2-Axle 4-Tire Vehicles which are not passenger cars. These include vans, pickup trucks, and sport/utility vehicles.
3/ Single-Unit 2-Axle 6-Tire or More Trucks on a single frame with at least two axles and six tires.
4/ Truck registration figures are from tables MV-1 and MV-9 with truck distribution estimated by the FHWA using the 2002 VIUS.
5/ Vehicle occupancy is estimated by the FHWA from the 2001 National Household Travel Survey (NHTS) with nominal values for heavy trucks.
6/ Total fuel consumption figures are from tables MF-21 and MF-27. Distribution by vehicle type is estimated by the FHWA based on miles per gallon for both diesel and gasoline powered vehicles using State-supplied data, the 2002 VIUS, and other sources with nominal values for motorcycles and buses (revised).
The data now on the website for 2000-2006 were estimated using a methodology developed in the late 1990s. FHWA recently developed a new methodology and used it for this year's Highway Statistics. This methodology takes advantage of additional and improved information available beginning in 2007 when states were first required to report motorcycle data – before that time, the reporting was not mandatory and the data were missing for a few states. Also, the new methodology does not rely on data from the national vehicle inventory and use survey which provided critical data for the original methodology but was not collected in 2007 as planned.
In April 2011, FHWA recalculated the 2000-2008 data along with the 2009 data to estimate trends. However, after further review and consideration, the agency determined that it is more reliable to retain the original 2000-2006 estimates because the information available for those years does not fully meet the requirements of the new methodology. Thus, the original 2000-2006 estimates are now used, whereas the 2007-2009 data are still based on the new methodology.
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