Ton-Miles of Transported Freight, United States, 1960-2005 (millions)

THE GEOGRAPHY OF TRANSPORT SYSTEMS

Source: Bureau of Transportation Statistics.

Ton-Miles of Transported Freight, United States, 1960-2005 (millions)

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Copyright © 1998-2010, Dr. Jean-Paul Rodrigue, Dept. of Global Studies & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part, in ANY form (printed or electronic) and on any media without consent. Permission MUST be requested prior to use.