Figure 2 - Increases in Passenger-Miles of Travel (PMT) and Factors Affecting Travel Demand: 1975-2000

Figure 2 - Increases in Passenger-Miles of Travel (PMT) and Factors Affecting Travel Demand: 1975-2000

(Percent Increase)

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  Percent
PMT 87.51
Automobiles 67.32
Income 64.25
workers 52.12
households 48.31
Population 30.62

SOURCES: U.S. Department of Commerce, U.S. Census Bureau, Statistical Abstract of the United States: 2001 (Washington, DC: 2002); various sources as cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2001 (Washington, DC: 2002); and various sources as compiled by the Bureau of Transportation Statistics.