Table 3
Contribution of Transportation Services to Gross Domestic Product (GDP): 1992 and 1997

Table 3
Contribution of Transportation Services to Gross Domestic Product (GDP): 1992 and 1997

(Based on comparable methodology)

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  Value-added by all transportation services GDP (billions of 1997 dollars)
Billions of 1997 dollars Percent of GDP
1992 409.1 5.5 7,456.8
1997 367.9 4.4 8,345.6
Real change -41.2 NA 888.8

KEY: NA = Not applicable.

NOTES: Value-added by all transportation services is different in 1992 and 1997 due to a difference in in-house transportation measurement. In 1992, in-house transportation includes in-house truck and bus transportation; while in 1997, it includes in-house air, rail, truck, and water transportation.

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics.