Freight by Mode
In February 2015 compared to February 2014, the value of commodities moving by air grew by the largest percentage of any mode, 4.5 percent. Truck freight increased by 0.9 percent (Figure 1, Table 2). Rail freight decreased by 6.2 percent. Pipeline freight decreased by 22.8 percent and vessel freight decreased by 29.0 mainly due to the lower unit price of mineral fuel shipments.
Trucks carried 63.1 percent of U.S.-NAFTA freight and are the most heavily utilized mode for moving goods to and from both U.S.-NAFTA partners. Trucks accounted for $26.9 billion of the $45.7 billion of imports (58.9 percent) and $27.2 billion of the $40.0 billion of exports (67.9 percent).
Rail remained the second largest mode, moving 14.4 percent of all U.S.-NAFTA freight, followed by vessel, 7.1 percent; pipeline, 6.1 percent; and air, 3.8 percent. The surface transportation modes of truck, rail and pipeline carried 83.7 percent of the total U.S.-NAFTA freight flows.
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