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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...
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...
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...
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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...
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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...
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KEY: ADA = Americans with Disabilities Act.
SOURCES: U.S. Department of Transportation (USDOT), Federal Transit Administration (FTA...
A large amount of transit data including the number of passenger-miles of travel (pmt) are available from both the Federal Transit Administration (FTA) and the American Public Transportation Association (APTA). FTA's National Transit Database (NTD) is...
Each year a far larger number of people are injured than killed in transportation-related accidents. Over 2.9 million people suffered some kind of injury involving passenger and freight transportation in 2003 (box 3-B). Most of these injuries, 99...
The U.S. Department of Transportation's Hazardous Materials Information System (HMIS) is the primary source of national data on hazardous materials transportation safety. Hazardous materials, as defined in regulations, include nine...
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SOURCES: U.S. Department of Transportation, Federal Transit Administration, National Transit Summaries and Trends, annual reports, available at http://www....