Figure 3 - Share of Federal Motor Fuel Tax in Household Disposable Income: 1966-1999

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SOURCES: U.S. Department of Transportation, Bureau of Transportation Statistics, "Federal Gas Tax: Household Expenditures from 1965 to 1995,"...

Map - Major Transportation Facilities of the United States

Note: Data provided by the U.S. Department of Transportation, the U.S. Army Corps of Engineers, and the U.S. Geological Survey.

Major airports are those that reported more than 100,000 enplanements...

Figure 2 - Commercial Carrier Accident Rates: 1990-2001

(Per 100,000 flight hours)

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NOTE: Data for 2001 are preliminary.

SOURCE: National Transportation Safety Board, Accidents, Fatalities, and Rates: 1982-...

Figure 2 - Bicycle Fatalities by Age of Bicyclist: 1975-2000

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SOURCE: U.S. Department of Transportation, National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS) database, available at http://www-fars...

Map - Major Transportation Facilities of the United States

Note: Data provided by the U.S. Department of Transportation, the U.S. Army Corps of Engineers, and the U.S. Geological Survey.

Major airports are those that reported more than 100,000 enplanements...

U.S. Airline Delays - Box 1

The September 11, 2001, terrorist attacks forced the U.S. Department of Transportation (DOT) to take the unprecedented step of closing down the nation's aviation system and, further, to restrict operations in...

Figure 1 - Government Transportation Revenues by Mode: FY 1985-1999

Chained 1996 Dollars

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NOTE: Pipeline data-collection began in 1987.

SOURCES: U.S. Department of Transportation (USDOT), Bureau of...

Figure 1 - Average Household Transportation Expenditures and Vehicle-Miles Traveled: 1984-2000

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Air Pollutants - Box 1

While the U.S. Environmental Protection Agency (EPA) has made annual estimates of emissions of six principal (so-called, criteria) air pollutants covering several decades, it has only recently concentrated on the larger set of hazardous (...

Figure 1 - U.S. Carbon Dioxide Emissions from Energy Use by Sector: 1990 and 2000

(Millions metric ton carbons)

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