United States / Bureau of Transportation Statistics - Washington, DC - Nachgewiesen 2001 -
the economic well-being of all Americans.
All material contained in this report is in the public domain and may be used ….S. transportation system, including
its physical components, safety record, economic performance, energy use, and environmental impacts …
Table A - Social and Economic Characteristics of the United States (Updated April 2008)
Chapter 1. The Transportation …