Tons per carload
|Food and kindred products||63.9||69.4|
|Chemicals and allied products||82.4||83.9|
|Miscellaneous mixed shipments||17.0||14.6|
NOTES: Miscellaneous mixed shipments is mostly intermodal traffic. Some intermodal traffic is included in commodity-specific categories, as well.
SOURCES: 2002 data-Association of American Railroads, Railroad Facts 2003 (Washington, DC: 2003), pp. 25 and 29. 1992 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).