Table 3-1 Miles of Infrastructure by Transportation Mode: 1990, 2000, and 2010-2013
| 1990 | 2000 | 2010 | 2011 | 2012 | 2013 | |
|---|---|---|---|---|---|---|
| Public roads, route miles | 3,866,926 | 3,951,101 | NA | 3,929,425 | 4,092,730 | 4,115,462 |
| National Highway System (NHS) | N | 161,189 | NA | 163,741 | 222,946 | 227,224 |
| Interstates | 45,074 | 46,673 | NA | 46,960 | 47,432 | 47,575 |
| Other NHS | N | 114,516 | NA | 116,781 | 175,514 | 179,650 |
| Other | N | 3,789,912 | NA | 3,765,684 | 3,869,784 | 3,888,238 |
| Strategic Highway Corridor Network (STRAHNET)1 | N | 62,066 | NA | 63,887 | 64,627 | 62,595 |
| Interstate | N | 46,675 | NA | 46,960 | 47,432 | 47,574 |
| Non-Interstate | N | 15,389 | NA | 16,927 | 17,195 | 15,021 |
| Railroad2 | 175,909 | 170,512 | 138,576 | 138,518 | 138,477 | NA |
| Class I | 133,189 | 120,597 | 95,573 | 95,387 | 95,264 | 95,134 |
| Regional | 18,375 | 20,978 | 10,407 | 10,355 | 10,355 | NA |
| Local | 24,337 | 28,937 | 32,596 | 32,776 | 32,858 | NA |
| Inland waterways | ||||||
| Navigable channels | 11,000 | 11,000 | 11,000 | 11,000 | 11,000 | 11,000 |
| Great Lakes-St. Lawrence Seaway | 2,342 | 2,342 | 2,342 | 2,342 | 2,342 | 2,342 |
| Pipelines | ||||||
| Oil | 208,752 | 176,996 | (R) 177,398 | (R) 178,816 | 181,353 | 187,203 |
| Gas | 1,270,295 | 1,377,320 | (R) 1,554,141 | (R) 1,563,340 | 1,567,000 | 1,575,087 |
KEY: N = not applicable; NA = not available; R = revised.
1The Strategic Highway Corridor Network (STRAHNET) is the total minimum public highway network necessary to support deployment needs of the U.S. Department of Defense.
2Class I railroads have annual carrier operating revenue in 2013 of $467.1 million or more. Regional (Class II) railroads have annual carrier operating revenue in 2013 greater than $37.4 million and less than $433.2 million. Local (Class III) railroads have annual carrier operating revenue in 2013 below $37.4 million.
SOURCES: Public Roads: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: annual issues), tables HM-16 and HM-49, available at www.fhwa.dot.gov/policyinformation/statistics/2013/ as of July 2015. Rail: Association of American Railroads, Railroad Facts (Washington, DC: annual issues). Navigable channels: U.S. Army Corps of Engineers, A Citizen's Guide to the USACE, available at www.corpsreform.org/sitepages/downloads/CitzGuideChptr1.pdf as of July 2015. Great Lakes-St. Lawrence Seaway: The St. Lawrence Seaway Development Corporation, “The Seaway,” available at www.greatlakes-seaway.com/en/seaway/facts/index.html as of July 2015. Pipelines: 1980: Eno Transportation Foundation, Transportation in America, 2002 (Washington, DC: 2002). 1990-2013: U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety, Pipeline Statistics, available at www.phmsa.dot.gov/pipeline/library/data-stats as of July 2015.