Table 10
Principal Data Sources

Table 10
Principal Data Sources

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Data Sources
Estimates of input-output accounts, 1997 U.S. Department of Commerce, Bureau of Economic Analysis, Benchmark Input-Output Accounts for the U.S. Economy, 1997 and detailed underlying data files for the I-O accounts
Air General aviation aircraft (private) by industry General Aviation Manufacturer's Association (GAMA) proprietary database
Rail Private railcars by private shipper Official Railway and Equipment Register, Commonwealth Business Media, East Windsor, New Jersey.
Truck Trucks, truck mileage, fuel use by industry and vehicle type, 1997a U.S. Department of Commerce, Census Bureau, 1997 Census of Transportation, Vehicle Inventory and Use Survey microdata.
Statistics on occupation and industry, 2000 Census Bureau, 2000 Census of Population and Housing Occupation and Industry.
Energy use by industry, 1997 U.S. Department of Energy, Energy Information Administration, Annual Energy Review 2008, tables 5.13a-5.13d.
Energy use by transportation modes, 1997 U.S. Department of Energy, Oak Ridge National Laboratory, Transportation Energy Data Book: Edition 28.
Vehicle-miles of travel by type of vehicles, 1997 U.S. Department of Transportation, Federal Highway Administration, Highway Statistics. Reported in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics: Chapter 1, section C, table 1-32 [as of April 2010].
Water Private water vessels by industry U.S. Department of Defense, Army Corpos of Engineers, Vessel Company Summary and Vessel Characteristics from the Waterborne Transportation Lines of the United States (WTLUS).

a Data for these measures were extracted for all trucks of all chassis except those used for personal use, not used (wrecked, awaiting repair, etc.) for more than 6 months, or used for only off-road purposes (e.g., primary trip is off a public road).

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics.