Freight Facts and Figures 2009

Tables 3-1 and 3-1M. Miles of Infrastructure by Transportation Mode: 1980-2007

Road infrastructure increased slowly over the past 27 years despite a large increase in the volume of traffic. Between 1980 and 2007, route miles of public roads increased by about 5 percent compared with a 98 percent increase in vehicle miles traveled.

Table 3-1 (standard units)

Table in Excel format | Historical data

	1980	1990	2000	2007	Percent change, 1980-2007
Public roads, route miles	3,859,837	3,866,926	3,951,101	4,048,523	4.9
National Highway System (NHS)	N	N	161,189	163,746	N
Interstates	41,120	45,074	46,673	46,934	14.1
Other NHS	N	N	114,516	116,812	N
Other	N	N	3,789,912	3,884,775	N
Strategic Highway Corridor Network (STRAHNET)	N	N	62,066	62,698	N
Interstate	N	N	46,675	46,937	N
Non-Interstate	N	N	15,389	16,031	N
Railroad	¹183,077	175,909	170,512	140,134	-23.5
Class I	NA	133,189	120,597	94,313	N
Regional	NA	18,375	20,978	16,930	N
Local	NA	24,337	28,937	28,891	N
Inland waterways
Navigable channels	11,000	11,000	11,000	11,000	0.0
Great Lakes-St. Lawrence Seaway	2,342	2,342	2,342	2,342	0.0
Pipelines
Oil	218,393	208,752	176,996	166,133	-23.9
Gas	1,051,774	1,189,200	1,369,300	1,520,200	44.5

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

¹Excludes Class III railroads.

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/2007/ as of April 1, 2009.

Rail: Association of American Railroads, Railroad Facts (Washington, DC: annual issues).

Navigable channels: U.S. Army Corps of Engineers, USACE Education, available at www.ndc.iwr.usace.army.mil as of April 13, 2009.

Great Lakes-St. Lawrence Seaway: The St. Lawrence Seaway Management Corporation, “The Seaway,” available at www.greatlakes-seaway.com/en/seaway/facts/index.html as of April 13, 2009.

Oil pipelines: 1980-2000: Eno Transportation Foundation, Transportation in America, 2002 (Washington, DC: 2002). 2007: 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 April 13, 2009.

Gas pipelines: American Gas Association, Gas Facts (Arlington, VA: annual issues).

Table 3-1M (metric units)

Table in Excel format | Historical data

	1980	1990	2000	2007	Percent change, 1980-2007
Public roads, route kilometers	6,211,518	6,222,926	6,358,386	6,515,164	4.9
National Highway System (NHS)	N	N	417,439	263,511	N
Interstates	66,173	72,536	75,109	75,529	14.1
Other NHS	N	N	184,287	187,982	N
Other	N	N	6,098,989	6,251,650	N
Strategic Highway Corridor Network (STRAHNET)	N	N	99,881	100,898	N
Interstate	N	N	75,113	75,534	N
Non-Interstate	N	N	24,765	25,798	N
Railroad	¹294,620	283,085	274,400	225,513	-23.5
Class I	NA	214,337	194,073	151,775	N
Regional	NA	29,570	33,759	27,245	N
Local	NA	39,165	46,567	46,493	N
Inland waterways
Navigable channels	17,702	17,702	17,702	17,702	0.0
Great Lakes-St. Lawrence Seaway	3,769	3,769	3,769	3,769	0.0
Pipelines
Oil	351,453	335,938	284,834	267,353	-23.9
Gas	1,692,588	1,913,743	2,203,573	2,446,411	44.5

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

¹Excludes Class III railroads.

Note: 1 kilometer = 0.6214 miles.

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/2007/ as of April 1, 2009.

Rail: Association of American Railroads, Railroad Facts (Washington, DC: annual issues).

Navigable channels: U.S. Army Corps of Engineers, USACE Education, available at www.ndc.iwr.usace.army.mil as of April 13, 2009.

Great Lakes-St. Lawrence Seaway: The St. Lawrence Seaway Management Corporation, “The Seaway,” available at www.greatlakes-seaway.com/en/seaway/facts/index.html as of April 13, 2009.

Gas pipelines: American Gas Association, Gas Facts (Arlington, VA: annual issues).

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