Figure 4-9 - How People Get to Work: 2003

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SOURCES: U.S. Department of Housing and Urban Development and U.S. Department of Commerce, U.S. Census Bureau, American Housing Survey for the United States, H150 (Washington, DC:...

Figure 9-4 - Value Added by For-Hire Transportation to U.S. GDP and Share of GDP: 1993-2003

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KEY: GDP = Gross Domestic Product.

NOTES: To eliminate the effects of inflation over time, the Bureau of Transportation...

Figure 2-1 - Transportation Capital Stock for Selected Modes: 1993-2003

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NOTES: Unless otherwise noted, data include only privately owned capital stock. Consumer motor vehicles are considered consumer durable goods. In-house...

Figure 10-7 - Gross Government Investment in Transportation Infrastructure by Mode: 1991-2001

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NOTES: Investment data here are in terms of calendar years unlike the other data in section 10, which are in terms of fiscal years....

Figure 13-7 - Average Loaded U.S. Railcar Weight: 1993-2003

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NOTE: Average railcar weight is total tons transported divided by total carloads transported.

SOURCES: Association of American Railroads (AAR), Railroad...

BOX 15-B - Greenhouse Gas (GHG) Emissions Data

Both the U.S. Environmental Protection Agency (EPA) and the Energy Information Administration (EIA) estimate annual U.S. GHG emissions. EPA is responsible for producing the official inventory of U.S. emissions, as required...

BOX 3-B - Injury Data

Each transportation mode tends to define injury differently. In addition, each mode may generate its injury data using different methods. Therefore, comparisons across modes should be viewed very carefully. For further information on modal injury definitions...

Highway Trucks by Weight

The number of trucks in the United States grew 41 percent between 1992 and 2002 and 15 percent between 1997 and 2002, according to the Vehicle Inventory and Use Survey (VIUS) conducted once every five years [1, 2]. The 85 million-truck...

Figure 13-2 - Medium Trucks by Vehicle Weight: 1992, 1997, and 2002

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NOTES: Weight is the empty weight of the vehicle plus the average vehicle load. Excludes vehicles owned by federal, state, or local governments; ambulances; buses...

Figure 11-2 - U.S. Trade in Transportation-Related Goods: 1994-2004

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NOTES: Transportation-related goods are motor vehicles and parts, aircraft and spacecraft and parts, railway vehicles and parts, and ships and boats. All dollar...