Figure 10-1 - Share of Selected Air Pollutants by Mode: 2001

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KEY: PM-10 = particulate matter 10 microns in diameter or smaller.

NOTES: EPA no longer estimates lead emissions. Modal shares in 2000 were: highway...

Figure 6-2 - Average Cost per Mile of Owning and Operating an Automobile: 1992-2002

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NOTES: Data are the cost per mile based on 15,000 miles per year. Current dollar amounts (see table 6-2b) were converted to chained 2000 dollars by the...

Figure 5-13 - Average Daily Trips and Miles by Gender and Mode: 2001

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NOTE: Other mode includes watercraft (e.g., ship, ferry, and motorboat); taxi, limousine, and hotel/airport shuttle; bicycle and walking; and other not elsewhere...

Figure 5-18 - Areas Served by Intercity Passenger Transportation

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Scheduled Intercity Transportation and the U.S. Rural Population, available at http://www.bts.gov, as of October 2003.

Figure 10-3 - Emissions of Nitrogen Oxides by Mode: 1991-2001

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KEY: PM-10 = particulate matter 10 microns in diameter or smaller.

SOURCE: U.S. Environmental Protection Agency, Office of Air Quality Planning and...

Figure 4-3 - Share of Loadings on Rural Interstate Highways by Vehicle Type: 2002

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NOTES: Based on data from the Truck Weight Study that are collected by the states for varying time periods each year and are not adjusted to typify annual...

Figure 2-10 - Commercial Freight Activity for All Modes by Ton-Miles: 1993, 1997, and 2002

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NOTES: 2002 Commodity Flow Survey and supplemental data are preliminary. For information on coverage of supplemental estimates, see tables 2-9, 2-...

Oil Spills into U.S. Waters - Box 10-C

The U.S. Coast Guard (USCG) summarizes reported oil spill data in its Pollution Incidents In and Around U.S. Waters, A Spill Release Compendium: 1969–2001. USCG aggregates the source data into five categories: marine...

Figure 15-1 - U.S. Energy Consumption by Sector: 1993-2003

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KEY: Btu = British thermal units; GDP = Gross Domestic Product—GDP is shown in terms of 2000 chained dollars.

SOURCES: U.S. Department of Energy (USDOE...

Transportation-Related Final Demand

Total transportation-related final demand rose by 42 percent between 1992 and 2002 (in 2000 chained dollars1) from $759.3 billion to $1,076.9 billion (figure 13-2). However, transportation-related final demand as a share of Gross Domestic Product (GDP)...