Office of Operations Freight Management and Operations
Back to 2007 data

Tables 3-1 and 3-1M. Miles of Infrastructure by Transportation Mode: 1980-2005 (Historical)

Table in Excel format

empty Cell 1980 1990 2000 2001 2002 2003 2004 2005 Percent change,
1980-2005
Public roads, route miles 3,859,837 3,866,926 3,951,101 3,963,264 3,981,670 3,989,847 3,997,462 4,011,631 3.9
National Highway System (NHS) N N 161,189 161,421 161,539 161,801 162,158 162,373 N
Interstates 41,120 45,074 46,673 46,714 46,748 46,769 46,837 46,871 14.0
Other NHS N N 114,516 114,707 114,791 115,032 115,321 115,502 N
Other N N 3,789,912 3,801,843 3,820,131 3,828,047 3,835,303 3,849,257 N
Strategic Highway Corridor Network (STRAHNET) N N 62,066 62,784 62,792 62,576 62,257 62,450 N
Interstate N N 46,675 46,717 46,747 46,773 46,837 46,873 N
Non-Interstate N N 15,389 16,067 16,045 15,803 15,420 15,577 N
Railroad 1183,077 175,909 170,512 142,633 141,391 140,939 140,246 140,810 -23.1
Class I NA 133,189 120,597 97,631 99,943 98,944 97,496 95,664 N
Regional NA 18,375 20,978 17,439 15,048 15,648 15,641 15,388 N
Local NA 24,337 28,937 27,563 26,400 26,347 27,109 22,519 N
Inland waterways empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell
Navigable channels 11,000 11,000 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 2,342 2,342 0.0
Pipelines empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell
Oil 218,393 208,752 176,996 (R) 158,248 (R) 160,990 (R) 159,889 (R) 161,670 159,512 N
Gas 1,051,774 1,189,200 1,369,300 1,373,500 1,411,400 1,424,200 1,462,300 1,437,500 36.7

Key: N = not applicable; NA = not available; R = revised.

1Excludes Class III railroads.

Sources:
Public roads: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues), table HM-16.
Rail: Association of American Railroads, Railroad Facts (Washington, DC: various issues).
Navigable channels: U.S. Army Corps of Engineers.
GreatLakes-St. Lawrence Seaway: Great Lakes-St. Lawrence Seaway System, "Seaway Facts," available at http://www.greatlakes-seaway.com/en/aboutus/seawayfacts.html as of June 6, 2007.
Oil pipelines: 1980-2002: 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/stats.htm as of June 6, 2007.
Gas pipelines: American Gas Association, Gas Facts (Arlington, VA: Annual issues).


Table 3-1M (metric units - kilometers)
Table in Excel format

empty Cell 1980 1990 2000 2001 2002 2003 2004 2005 Percent change,
1980-2005
Public roads, route kilometers 6,211,806 6,223,214 6,358,681 6,378,255 6,407,877 6,421,036 6,433,291 6,456,095 3.9
National Highway System (NHS) N N 259,409 259,782 259,972 260,393 260,968 261,314 N
Interstates 66,176 72,540 75,113 75,179 75,234 75,267 75,377 75,432 14.0
Other NHS N N 184,296 184,603 184,738 185,126 185,591 185,882 N
Other N N 6,099,272 6,118,473 6,147,905 6,160,644 6,172,322 6,194,779 N
Strategic Highway Corridor Network (STRAHNET) N N 99,886 101,041 101,054 100,706 100,193 100,504 N
Interstate N N 75,116 75,184 75,232 75,274 75,377 75,435 N
Non-Interstate N N 24,766 25,857 25,822 25,432 24,816 25,069 N
Railroad 1294,634 283,098 274,412 229,546 227,547 226,819 225,704 226,612 -23.1
Class I NA 214,347 194,082 157,122 160,843 159,235 156,905 226,612 N
Regional NA 29,572 33,761 28,065 24,217 25,183 25,172 24,765 N
Local NA 39,167 46,570 44,358 42,487 42,401 43,628 36,241 N
Inland waterways empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell
Navigable channels 17,703 17,703 17,703 17,703 17,703 17,703 17,703 17,703 0.0
Great Lakes-St. Lawrence Seaway 3,769 3,769 3,769 3,769 3,769 3,769 3,769 3,769 0.0
Pipelines empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell empty Cell
Oil 351,469 335,954 284,847 (R) 254,675 (R) 259,088 (R) 257,316 (R) 260,182 256,710 N
Gas 1,692,666 1,913,832 2,203,675 2,210,434 2,271,428 2,292,028 2,353,344 2,313,432 36.7

Key: N = not applicable; NA = not available; R = revised.

1Excludes Class III railroads.

Note: 1 mile = 1.61 kilometers.

Sources: Public roads: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues), table HM-16.
Rail: Association of American Railroads, Railroad Facts (Washington, DC: various issues).
Navigable channels: U.S. Army Corps of Engineers.
GreatLakes-St. Lawrence Seaway: Great Lakes-St. Lawrence Seaway System, "Seaway Facts," available at http://www.greatlakes-seaway.com/en/aboutus/seawayfacts.html as of June 6, 2007.
Oil pipelines: 1980-2002: 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/stats.htm as of June 6, 2007.
Gas pipelines: American Gas Association, Gas Facts (Arlington, VA: Annual issues).

To view Excel files, you can use the Microsoft Excel Viewer.

Office of Operations