Table 1. Data Sources for the Transportation Services Index (TSI)
Thursday, September 6, 2012
Table 1. Data Sources for the Transportation Services Index (TSI)
Mode | Source | Measure |
---|---|---|
Freight | ||
Trucking | American Trucking Associations | Index of tonnage |
Air | Bureau of Transportation Statistics and carrier websites | Freight ton-miles |
Rail | Association of American Railroads | Carloads & Intermodal units |
Federal Railroad Administration (FRA) | Quarterly ton-miles | |
Water | U.S. Army Corps of Engineers | Tons |
Pipeline | Energy Information Administration | Thousands of barrels, billion cubic feet |
Passenger | ||
Air | Bureau of Transportation Statistics 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, http://www.bts.gov.