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Percentage of mileage in roadway class
Rural Urban Interstates Other principal arterials Minor arterials Collectors...Pipelines showed the largest increase in system mileage from 2005 to 2006 of any components of the transportation system. Hazardous liquid pipeline mileage increased 6.2 percent, and gas pipeline mileage increased 6.7 percent.
The number of U.S. airports...
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Thousands of tons
Rail replaced Rail added 1995 657.6 61.3 1996 803.3 68.7 1997 642.7 113.8 1998 679.0 204.8 1999...Excel | CSV
Total, airports Public use Private use Certificated, total Civil Military Total Runways (percent) Total Runways (percent) Lighted Paved Lighted Paved 1995 18,224...Excel | CSV
Rank Hazardous Materials Incidents 1 Paint or paint-related material 2,784 2 Flammable liquids, NOS 1,092 3 Paint-related material (including paint thinning, drying, removing...Excel | CSV | Table Version
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation...
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1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Air 452 467 417 369 406 357 368 337 367 303 304 290 295 U.S. air...Excel | CSV
Millions of dollars
U.S. - Canada Trade U.S. - Mexico Trade Truck Rail Pipeline Truck Rail Pipeline January 2007 24,331 7,046 4...Excel | CSV
1990 1995 2000 2004 2005 2006 2007 Highway 7,297 12,869 15,063 12,977 13,460 17,151 16,860 Accident related 261 257 329 283 322...Excel | CSV
Minutes
2003 2004 2005 2006 2007 United States-Canada border ...