Import and export tonnage helps identify the volume of cargo flowing through U.S. ports and the resulting vessel traffic on U.S. coastal waters. It also helps identify needs for intermodal truck and rail traffic.
Most U.S. coastal ports handle both foreign and domestic cargoes.
|U.S. International Freight||May-00||May-01|
|Total waterborne metric tons (thousands)||98,537||99,995|
|U.S. international freight percent change from same month, previous year||6.99||1.48|
NOTES: The current value is compared to the value from the same period in the previous year to account for seasonality.
A metric ton is equal to 2,204.6 pounds.
SOURCE: U.S. Department of Transportation, Maritime Administration, Office of Statistical and Economic Analysis, U.S. Foreign Waterborne Transportation Statistics data, available at: http://www.marad.dot.gov/statistics/usfwts/index.html.