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14) El Paso, Texas

Type: Land
Imports: $23.9 billion
Exports: $31.7 billion

The El Paso land border is an important entry point to the U.S. from Mexico, with nearly $24 billion worth of exports shipped through the transit node in 2010. Major exports to customers south of the border include vehicles, electrical machinery and computer-related machinery parts.

Furniture, electrical machinery, and measuring and testing parts are top U.S. imports in terms of value from Mexico through El Paso. Turkey, Israel and Japan are a few countries that get goods through El Paso. Plastics, mineral fuels such as oil and waxes were some of the top commodities imported through El Paso in 2010, according to the U.S. Customs and Border Protection.

Inbound shipments accounted for 57 percent of the value of freight handled by El Paso in 2010.

Source: elpasotexas.gov; Bureau of Transportation Statistics, U.S. Customs and Border Protection

Photo: Rudy Gutierrez | America 24-7 | Getty Images