Table 1: Data Sources for the Transportation Services Index
Excel | CSV
| Freight |
Trucking |
American Trucking Associations |
Index of tonnage |
| |
Air |
BTS and carrier websites |
Freight of ton-miles |
| |
Rail |
Association of American Railroads |
Carloads & Intermodal units |
| |
|
Federal Railroad Administration |
Quarterly ton-miles |
| |
Water |
U.S. Army Corps of Engineers |
Tons |
| |
Pipeline |
Energy Information Administration |
Thousands of barrels, billion cubic feet |
| Passenger |
Air |
BTS and carrier websites |
Revenue passenger-miles |
| |
Rail |
Federal Railroad Administration |
Revenue passenger-miles |
| |
Transit |
American Public Transportation Association |
Unlinked trips |
SOURCE: U.S. Department of
Transportation, Research and Innovative Technology Administration, Bureau of
Transportation Statistics, 2007
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