|Commodity and HTS code||Exports||Imports||Total tradea||Trade balanceb|
|Motor vehicles and parts (87)||119,714||202,390||322,104||-82,676|
|Aircraft, spacecraft, and parts (88)||87,532||21,531||109,063||66,001|
|Railway or tramway locomotives and parts (86)||3,185||1,810||4,995||1,376|
|Ships, boats, and floating structures (89)||2,533||1,167||3,700||1,367|
|Total, transportation commodities||212,964||226,898||439,862||-13,932|
|Total, all commodities||1,480,552||2,206,929||3,687,481||-726,377|
|Transportation commodities share of trade (percentage)||14.38||10.28||11.93||1.92|
aTotal trade = exports plus imports. bTrade balance = exports minus imports.
Key: HTS = Harmonized Tariff Schedule.
Notes: The HTS codes are classification categories from the Harmonized Tariff Schedule and may not include all transportation-related commodities.
Classification category (87) also includes bicycles, wheelchairs, and baby carriages.
Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics; special calculation based on data from U.S. Department of Commerce, U.S. International Trade Commission, Interactive Tariff and Trade DataWeb, available at http://dataweb.usitc.gov accessed August 2012.