Table 3-1. Miles and Kilometers of Infrastructure by Mode (Historical)
 |
1980 | 1990 | 2000 | 2001 | 2002 | 2003 | Percent change, 1980-2003 |
|---|---|---|---|---|---|---|---|
| Public roads, route miles | 3,859,837 | 3,866,926 | 3,951,101 | 3,963,264 | 3,981,670 | 3,989,847 | 3.4 |
| National Highway System (NHS) | N | N | 161,189 | 161,421 | (R) 161,539 | 161,801 | N |
| Interstates | 41,120 | 45,074 | 46,673 | 46,714 | 46,748 | 46,769 | 13.7 |
| Other NHS | N | N | 114,516 | 114,707 | 114,791 | 115,032 | N |
| Freight Intermodal connectors1 | N | N | N | N | 1,791 | 1,853 | N |
| Other | N | N | 3,789,912 | 3,801,843 | 3,820,131 | 3,858,047 | N |
| Strategic Highway Corridor Network (STRAHNET) | N | N | 62,066 | 62,784 | 62,792 | 62,576 | N |
| Interstate | N | N | 46,675 | 46,717 | 46,747 | 46,773 | N |
| Non-Interstate | N | N | 15,389 | 16,067 | 16,045 | 15,803 | N |
| Railroad | 183,0772 | 175,909 | 170,512 | 142,633 | 141,391 | 140,939 | -23.0 |
| Class I | NA | 133,189 | 120,597 | 97,631 | 99,943 | 98,944 | NA |
| Regional | NA | 18,375 | 20,978 | 17,439 | 15,048 | 15,648 | NA |
| Local | NA | 24,337 | 28,937 | 27,563 | 26,400 | 26,347 | NA |
| Inland waterways | |
|
|
|
|
|
|
| Navigable channels | 11,000 | 11,000 | 11,000 | 11,000 | 11,000 | 11,000 | 0.0 |
| Great Lakes-St. Lawrence Seaway | 2,342 | 2,342 | 2,342 | 2,342 | 2,342 | 2,342 | 0.0 |
| Pipelines | |
|
|
|
|
|
|
| Oil | 218,393 | 208,752 | 176,996 | 158,489 | 161,189 | 160,868 | -26.3 |
| Gas | 1,051,774 | (R) 1,189,200 | (R) 1,369,300 | 1,373,500 | (R) 1,411,400 | 1,424,200 | 35.4 |
Key: N = not applicable; NA = not available; R = revised.
1Excludes intermodal connectors serving intercity bus, Amtrak, and public transit facilities.
2Excludes Class III railroads.
Sources: Public roads: U.S.
Department of Transportation, Federal Highway Administration, Highway
Statistics, (Washington, DC: Annual issues) table HM-16.
Intermodal connectors: U.S.
Department of Transportation, Federal Highway Administration, Office
of Planning, National Highway System Intermodal Connectors, available
at https://www.fhwa.dot.gov/hep10/nhs/intermodalconnectors/index.html
as of July 5, 2005.
Rail: Association of American Railroads, Railroad
Facts (Washington, DC: various issues).
Navigable channels: U.S.
Army Corps of Engineers.
Great Lakes-St. Lawrence Seaway: Great Lakes-St. Lawrence
Seaway System, "Seaway Facts," available at http://www.greatlakes-seaway.com/en/aboutus/seawayfacts.html
as of July 6, 2005.
Oil pipelines: 1980-2000: Eno Transportation Foundation,
Transportation in America, 2002 (Washington, DC: 2002). 2003:
U.S. Department of Transportation,
Pipeline and Hazardous Materials Safety Administration, Office of Pipeline
Safety, Pipeline Statistics, Internet site http://ops.dot.gov/stats/lpo.htm
as of July 5, 2005.
Gas pipelines: American Gas Association, Gas Facts
(Arlington, VA: Annual issues).
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