(Descending order by weight)
| Commodity (2-digit commodity code) | Value ($ millions) | Weight (thousand short tons) |
|---|---|---|
| Nonmetallic mineral products (31) | 1,745 | 15,497 |
| Gravel and crushed stone (12) | 106 | 13,633 |
| Cereal grains (02) | 637 | 6,174 |
| Other prepared foodstuffs and fats and oils (07) | 2,762 | 5,254 |
| Gasoline and aviation turbine fuel (17) | 1,068 | 4,589 |
| Natural sands (11) | 32 | 4,524 |
| Animal feed and products of animal origin, n.e.c. (04) | 1,245 | 2,871 |
| Fuel oils (18) | 582 | 2,447 |
| Alcoholic beverages (08) | 1,769 | 2,165 |
| Wood products (26) | 2,022 | 2,114 |
| Meat, fish, seafood, and their preparations (05) | 3,844 | 1,359 |
| Mixed freight (43) | 2,144 | 1,154 |
| Base metal in primary or semifinished forms and in finished basic shapes (32) | 1,826 | 1,012 |
| Printed products (29) | 1,546 | 940 |
| Milled grain products and preparations, and bakery products (06) | 905 | 882 |
| Articles of base metal (33) | 2,058 | 846 |
| Basic chemicals (20) | S | 803 |
| Paper or paperboard articles (28) | 780 | 551 |
| Plastics and rubber (24) | 1,258 | 376 |
| Machinery (34) | 3,237 | 347 |
| All other commodities | S | 23,640 |
| Total, all commodities | 52,082 | 91,178 |
KEY: n.e.c. = not elsewhere classified; S = data do not meet publication standards because of high sampling variability or other reasons.
NOTE: There are 41 two-digit Standard Classification of Transported Goods (SCTG) commodity codes.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 1997 Commodity Flow Survey, Washington, DC: 2000, data from CD-ROM, CD-EC97-CFS.