TABLE 1-3a Change in Passenger-Miles of Travel (pmt), U.S. Population, and Gross Domestic Product (GDP): 1992–2002

1992 = 100

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NOTES: Total pmt excludes motorcycle pmt and results in some double counting of bus pmt. To make it easier to compare data of differing magnitudes over time, the Bureau of Transportation Statistics divided the data for all years in each category (see table 1-3b) by the initial year value and multiplied the result by 100.

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, calculations using data in table 1-3b.