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The amount of freight carried by railroads between 1993 and 2003 increased 29 percent (in tons) and 33 percent (by carload) on railcars (figure 13-6). However, on average, the weight per loaded railcar remained fairly constant, ranging from 62 to 67 tons...
The transportation sector used 17 percent more energy in 2004 than it did in 1994, an annual growth rate of 1.2 percent. Transportation's share of the nation's total energy consumption also grew between 1994 and 2004, from 26 to 27 percent (...
National data on air emissions are estimated by the U.S. Environmental Protection Agency (EPA). EPA's National Emissions Inventory (NEI) is updated annually and covers mobile, stationary, and area sources of pollution regulated under...
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NOTES: Data cover Class I railroads only (see Glossary for definition). Average line-haul speed data for 2004 and 2005 are preliminary.
SOURCE: U.S....
The net flow of funds to and from the federal government for passenger transportation varies by mode and over time (figure 10-8). On average, transit received $5.1 billion (in chained 2000 dollars1) per year in net federal...
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NOTES: For consistency, aviation passenger-miles of travel (pmt) includes air carrier aviation only, as general aviation pmt 2002 data were not available...
Passenger travel was 4.7 percent more energy efficient in 2002 than in 1992 (figure 14-7). During the same period, however, freight energy efficiency declined by 2.2 percent.1
Improvements in domestic commercial aviation are the primary...
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KEY: pmt = passenger-miles of travel.
NOTES: Bus and large-truck occupant injury rates for 1993–2003 are included in table 3-5 in...
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SOURCE: U.S. Department of Transportation, Federal Transit Administration, National Transit Summaries and Trends, annual reports, available at http://www.ntdprogram....
The average age of Amtrak locomotives and passenger train cars fluctuated in a narrow range for most of the 1990s (figure 2-12). The average age of locomotives was 14 years in fiscal year 2001, up 8 percent from 13 years in...