(Tons per carload)
|Food and kindred products||63||68|
|Chemicals and allied products||81||84|
|Miscellaneous mixed shipments||17||15|
NOTE: Miscellaneous mixed shipments is mostly intermodal traffic. Some intermodal traffic is included in commodity-specific categories, as well.
SOURCES: Association of American Railroads, Railroad Facts (Washington, DC: 2001 and 2002 issues). 1991 data-U.S. Department of Transportation, Bureau of Transportation Statistics, calculations based on Association of American Railroads, Railroad Ten-Year Trends 1990-1999 (Washington, DC: 2000).