Figure 2 - Increases in Passenger-Miles of Travel (PMT) and Factors Affecting Travel Demand: 1975-1999
Monday, September 10, 2012
Figure 2 - Increases in Passenger-Miles of Travel (PMT) and Factors Affecting Travel Demand: 1975-1999

SOURCE: U.S. Department of Commerce, Census Bureau, Statistical Abstract of the United States: 2000 (Washington, DC: 2000); various sources as cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2000 (Washington, DC: 2001); and various sources as compiled by Bureau of Transportation Statistics.