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Highway Statistics 2006 OHPI > Highway Statistics > 2006 > International & Metric > Table VM-1M

ANNUAL VEHICLE DISTANCE TRAVELED IN KILOMETERS AND RELATED DATA - 2006 1/

BY HIGHWAY CATEGORY AND VEHICLE TYPE

JANUARY 2011 Table VM-1M
YEAR ITEM
PASSENGER
CARS
MOTOR-
CYCLES /3
BUSES
OTHER
2-AXLE 4-TIRE
VEHICLES 4/
SINGLE-UNIT
2-AXLE 6-TIRE
OR MORE
TRUCKS 5/
COMBINATION
TRUCKS
SUBTOTALS ALL
MOTOR
VEHICLES 2/
PASSENGER
CARS
AND
OTHER 2-AXLE
4-TIRE VEHICLES
SINGLE-UNIT
2-AXLE 6-TIRE
OR MORE AND
COMBINATION
TRUCKS
Motor-Vehicle Travel: (millions of vehicle-kilometers)
2006 Interstate Rural 199,312 2,199 1,528 131,238 11,466 69,330 330,550 80,796 415,074
2006 Other Arterial Rural 333,180 2,578 1,543 234,507 22,284 40,926 567,687 63,210 635,018
2006 Other Rural 332,703 2,682 2,595 234,599 24,388 22,066 567,302 46,454 619,033
2006 All Rural 865,195 7,460 5,666 600,344 58,138 132,322 1,465,539 190,460 1,669,125
2006 Interstate Urban 429,865 3,829 1,648 268,213 16,146 48,418 698,078 64,564 768,119
2006 Other Urban 1,425,591 8,103 3,603 873,542 55,017 48,060 2,299,134 103,077 2,413,916
2006 All Urban 1,855,456 11,932 5,251 1,141,755 71,163 96,477 2,997,212 167,641 3,182,035
2006 Total Rural and Urban 2,720,651 19,392 10,917 1,742,099 129,301 228,799 4,462,751 358,101 4,851,160
2006 Number of motor vehicles registered 6/ 135,399,945 6,678,958 821,959 99,124,775 6,649,337 2,169,670 234,524,720 8,819,007 250,844,644
2006 Average kilometers traveled per vehicle 20,093 2,903 13,281 17,575 19,446 105,453 19,029 40,606 19,339
2006 Person-kilometers of travel (millions) 7/ 4,298,629 24,628 231,449 3,020,240 129,301 228,799 7,318,869 358,101 7,933,046
2006 Fuel consumed (thousand liters) 8/ 283,939,764 836,689 4,347,202 229,718,655 37,295,307 106,394,841 513,658,419 143,690,148 662,532,457
2006 Average fuel consumption per vehicle (liters) 8/ 2,097 125 5,289 2,317 5,609 49,037 2,190 16,293 2,641
2006 Average kilometers traveled per liter of fuel consumed 8/ 9.6 23.2 2.5 7.6 3.5 2.2 8.7 2.5 7.3

 

Footnotes

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 2005 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.

2/ Totals by highway category are from table VM-2.

3/ Estimation process accounts for all States, including those that did not report motorcycles (District of Columbia, Illinois, Missouri, Nevada, Pennsylvania, and Texas).

4/ Other 2-Axle 4-Tire Vehicles which are not passenger cars. These include vans, pickup trucks, and sport/utility vehicles.

5/ Single-Unit 2-Axle 6-Tire or More Trucks on a single frame with at least two axles and six tires.

6/ Truck registration figures are from tables MV-1 and MV-9 with truck distribution estimated by the FHWA using the 2002 VIUS. For 2006 Colorado and Indiana data for 2005 was used.

7/ Vehicle occupancy is estimated by the FHWA from the 2001 National Household Travel Survey (NHTS) with nominal values for heavy trucks.

8/ Total fuel consumption figures are from tables MF-21 and MF-27. Distribution by vehicle type is estimated by the FHWA based on kilometers per liter for both diesel and gasoline powered vehicles using State-supplied data, the 2002 VIUS, and other sources with nominal inputs for motorcycles and buses. Procedures were revised for this table.

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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