BTS | Table 1-6: Estimated U.S. Roadway Lane-Miles by Functional System (a)

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Table 1-6: Estimated U.S. Roadway Lane-Miles by Functional System^a

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	1980	1985	1990	1991	1992	1993	1994	1995	1996	1997	^d1998	1999	2000
TOTAL lane-miles	7,922,174	8,017,994	8,051,081	8,087,793	8,124,090	8,132,196	8,143,014	8,158,253	8,178,654	8,242,437	8,160,858	8,177,983	8,223,393
Urban, total	1,395,245	1,542,339	1,670,496	1,682,752	1,758,731	1,803,775	1,825,877	1,840,107	1,857,649	1,882,676	1,891,608	1,895,986	1,915,180
Interstates	48,458	57,295	62,214	62,826	67,266	69,184	70,832	71,377	71,790	72,257	73,006	73,293	73,915
Other arterials^b	333,673	371,649	399,376	402,360	418,208	435,386	442,474	445,828	449,480	453,623	454,060	450,411	455,857
Collectors	145,128	162,377	167,770	165,288	176,137	179,653	183,353	185,032	186,923	188,850	187,533	186,334	188,568
Local	867,986	951,018	1,041,136	1,052,278	1,097,120	1,119,552	1,129,218	1,137,870	1,149,456	1,167,946	1,177,009	1,185,948	1,196,840
Rural, total	6,526,929	6,475,655	6,380,585	6,405,041	6,365,359	6,328,421	6,317,137	6,318,146	6,321,005	6,359,761	6,269,250	6,281,997	6,308,213
Interstates	130,980	131,907	135,871	136,503	133,467	132,138	131,266	131,916	132,963	133,165	133,231	134,198	134,587
Other arterials^b	507,098	510,005	517,342	517,813	526,714	525,906	529,818	530,706	532,856	536,989	537,993	539,293	539,918
Collectors^c	1,431,267	1,466,789	1,467,602	1,467,561	1,441,466	1,434,473	1,432,189	1,417,428	1,416,662	1,418,637	1,415,774	1,413,953	1,414,665
Local	4,457,584	4,366,954	4,259,770	4,283,164	4,263,712	4,235,904	4,223,864	4,238,096	4,238,524	4,270,970	4,182,252	4,194,553	4,219,043

^aIncludes the 50 States and the District of Columbia.

^bFor urban: the sum of other freeways and expressways, other principal arterials, and minor arterials. For rural: the sum of other principal arterials and minor arterials.

^cIncludes minor and major collectors.

^dBeginning in 1998, approximately 86,000 lane-miles of Bureau of Land Management roads are excluded.

NOTE

In estimating rural and urban lane mileage, the U.S. Department of Transportation, Federal Highway Administration assumed that rural minor collectors and urban/rural local roads are two lanes wide.

SOURCES

1980-95: U.S. Department of Transportation, Federal Highway Administration, Office of Highway Information Management, table HM-260 (unpublished).

1996-2001: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues), table HM-60. Internet address www.fhwa.dot.gov/ohim.ohimstat.htm as of December 2002.

Table 1-6: Estimated U.S. Roadway Lane-Miles by Functional Systema

Table 1-6: Estimated U.S. Roadway Lane-Miles by Functional System^a