TABLE 2-1-1 - Transportation System Mileage Within the United States: 1998-2008

TABLE 2-1-1 - Transportation System Mileage Within the United States: 1998-2008

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Miles

  Highway Rail Transit rail Navigable waterways Pipeline
Class I Amtrak Commuter rail Heavy rail Light rail Hazardous liquid Gas
1998 3,906,290 100,570 22,000 5,172 1,527 676 26,000 178,648 1,372,644
1999 3,917,243 99,430 23,000 5,191 1,540 802 26,000 177,463 1,364,336
2000 3,936,222 99,250 23,000 5,209 1,558 834 26,000 176,996 1,377,320
2001 3,948,335 97,817 23,000 5,209 1,572 897 26,000 158,248 1,413,555
2002 3,966,485 100,125 23,000 6,831 1,572 960 26,000 160,990 1,462,579
2003 3,974,107 99,126 22,675 6,809 1,597 996 26,000 159,889 1,432,144
2004 3,981,512 97,662 22,256 6,875 1,596 1,187 26,000 163,474 1,484,813
2005 3,995,635 95,664 22,007 7,118 1,622 1,188 26,000 162,832 1,484,373
2006 4,016,741 94,801 21,708 6,972 1,623 1,280 26,000 162,699 1,503,758
2007 4,032,126 94,313 21,708 7,135 1,623 1,341 25,320 166,972 1,523,004
2008 4,042,778 94,082 21,178 7,261 1,623 1,397 25,320 169,422 1,530,012

NOTES: Highway includes all public road and street mileage in the 50 states and the District of Columbia. Beginning in 1998, approximately 43,000 miles of Bureau of Land Management Roads are excluded. Class I rail data represent miles of road owned (aggregate length of road, excluding yard tracks, sidings, and parallel lines). Portions of Class I freight railroads, Amtrak, and commuter rail networks share common trackage. Amtrak data represent nondirectional route-miles operated. Some Amtrak service is operated on the right-of-way owned by Amtrak, but the majority of route miles are on right-of-way owned by Class I freight railroads or commuter rail networks. Transit system length is measured in directional route-miles. Directional route-miles is the distance in each direction over which public transportation vehicles travel while in revenue service. Directional route-miles are computed with regard to direction of service, but without regard to the number of traffic lanes or rail tracks existing in the right-of-way. Beginning in 2002, directional route-mileage data for the commuter rail and light rail modes include purchased transportation.

Navigable waterways are estimated sums of all domestic waterways, which include rivers, bays, channels, and the inner route of the Southeast Alaskan Islands, but does not include the Great Lakes or deep ocean traffic. The Waterborne Commerce Statistics Center considers 12,000 miles as commercially significant inland shallow-draft waterways in 2007. Hazardous liquid pipeline includes trunk and gathering lines for crude-oil pipeline. Gas pipeline mileage includes transmission, gathering, and distribution.

Gas pipeline data are obtained from Pipeline and Hazardous Materials Safety Administration, while data from the American Gas Association were used in previous reports.

SOURCES: Highway: Federal Highway Administration; Rail: Association of American Railroads and National Railroad Passenger Corporation (Amtrak); Transit: Federal Transit Administration; Navigable Waterways: U.S. Army Corps of Engineers; Pipeline: Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 1-1, available at http://www.bts.gov/publications/national_transportation_statistics as of January 2010.