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Table 1. Total Value and Modal Shares of U.S.-North American Freight Flows

Freight by All Modes, (millions of current dollars)

Dataset Table:

Mode 2016 2017 Percent Change 2016-2017
All Modes Imports $572,217.8 $614,020.4 7.3
Exports $496,919.7 $525,460.3 5.7
Total $1,069,137.6 $1,139,480.8 6.6
Share of Total by Mode (percent of total value) Percentage Point Change 2016-2017
All Surface Modes Imports 88.7 87.2 -1.5
Exports 82.1 80.9 -1.2
Total 85.6 84.3 -1.3
Truck Imports 63.3 60.2 -3.0
Exports 68.0 66.8 -1.2
Total 65.5 63.3 -2.2
Rail Imports 18.8 18.5 -0.3
Exports 11.7 11.5 -0.2
Total 15.5 15.3 -0.2
Pipeline Imports 6.6 8.4 1.8
Exports 2.4 2.6 0.2
Total 4.6 5.7 1.1
Vessel Imports 5.2 6.4 1.3
Exports 5.8 6.9 1.1
Total 5.5 6.6 1.2
Air Imports 3.1 3.1 -0.1
Exports 4.8 4.8 0.0
Total 3.9 3.8 -0.1

Notes:

Percent change based on numbers prior to rounding. Numbers may not add to totals due to rounding.
The percentage of modal share for all surface modes equals the sum of the share of the truck, rail and pipeline modes.  

Source:

Bureau of Transportation Statistics, TransBorder Freight Data, https://www.bts.gov/transborder as of February 2018.