Figure 5-1 Dependence Ratio: 1950-2030
Figure 5-1 Dependence Ratio: 1950-2030Source: U.S. Department of Commerce, U.S. Census Bureau, Statistical Abstract of the United States (Washington, DC: Various years); U.S. Census Bureau, Projections...
Source: U.S. Department of Commerce, U.S. Census Bureau, Statistical Abstract of the United States (Washington, DC: Various years); U.S. Census Bureau, Projections...
"The transportation enterprise must be equitable, flexible, and sensitive to environmental issues. We must keep in mind that transportation is a meansnot an end; the common good must take priority over specific...
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1977 1995 Percentage increase 1977 to 1995 Resident population...Source: U.S. Department of Transportation, Bureau of Transportation Statistics, Transborder Surface Freight data (Washington, DC: Various...
Source: U.S. Department of Transportation, Coast Guard Navigation Center, personal communication, October 2000.
Sources: FedEx, personal communication, May 15, 2000; DHL, personal communication, May 2000.
Source: U.S. Department of Transportation, Bureau of Transportation Statistics, 1995 American Travel Survey data (Washington, DC: 2000),...
Note: The Maritime Administration moved from the Department of Commerce to the Department of Transportation in 1982.
Source: U.S. Department of...