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

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

Excel | CSV

	1980	1985	1990	1991	1992	1993	1994	1995	1996	1997	^d1998	1999	2000	2001	2002	2003	2004	2005	2006
TOTAL lane-kilometers	12,749,503	12,903,711	12,956,959	13,016,041	13,074,455	13,087,501	13,104,911	13,129,436	13,162,268	13,264,917	13,133,628	13,161,188	13,235,639	13,280,060	13,349,784	13,381,890	13,420,032	13,472,974	13,551,624
Urban, total	2,245,429	2,482,154	2,688,403	2,708,127	2,830,403	2,902,894	2,938,464	2,961,365	2,989,596	3,029,873	3,044,248	3,051,294	3,082,703	3,165,655	3,229,046	3,393,543	3,539,197	3,642,525	3,715,335
Interstates	77,986	92,207	100,124	101,109	108,254	111,341	113,993	114,870	115,535	116,286	117,492	117,954	118,950	119,837	120,873	128,089	133,456	138,381	141,532
Other arterials^b	536,995	598,111	642,733	647,536	673,041	700,686	712,093	717,491	723,368	730,035	730,739	724,866	734,152	736,383	744,893	779,198	813,247	843,036	857,673
Collectors	233,561	261,320	270,000	266,005	283,465	289,123	295,078	297,780	300,823	303,925	301,805	299,876	303,474	305,032	307,132	333,707	350,274	362,984	373,131
Local	1,396,888	1,530,515	1,675,546	1,693,477	1,765,643	1,801,744	1,817,300	1,831,224	1,849,870	1,879,627	1,894,212	1,908,598	1,926,127	2,004,404	2,056,148	2,152,549	2,242,220	2,298,124	2,342,999
Rural, total	10,504,074	10,421,557	10,268,556	10,307,914	10,244,052	10,184,606	10,166,447	10,168,070	10,172,671	10,235,043	10,089,380	10,109,894	10,152,936	10,114,405	10,120,738	9,988,347	9,880,835	9,830,449	9,836,290
Interstates	210,792	212,284	218,663	219,680	214,794	212,655	211,252	212,298	213,983	214,308	214,415	215,971	216,597	216,679	216,569	209,833	205,817	202,076	200,170
Other arterials^b	816,095	820,773	832,581	833,339	847,664	846,364	852,659	854,089	857,549	864,200	865,816	867,908	869,781	872,807	875,501	859,837	856,243	852,236	846,010
Collectors^c	2,303,401	2,360,568	2,361,876	2,361,810	2,319,815	2,308,561	2,304,885	2,281,129	2,279,896	2,283,075	2,278,467	2,275,537	2,276,686	2,275,862	2,267,167	2,234,598	2,222,041	2,210,189	2,209,478
Local	7,173,786	7,027,931	6,855,435	6,893,084	6,861,779	6,817,027	6,797,650	6,820,554	6,821,243	6,873,460	6,730,682	6,750,479	6,789,872	6,749,058	6,761,501	6,684,079	6,596,733	6,565,948	6,580,632

^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 138,400 lane-kilometers of Bureau of Land Management roads are excluded.

NOTE

In estimating rural and urban lane kilometers, the U.S. Department of Transportation, Federal Highway Administration assumes 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).

1996-2006: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues), table HM-60, Internet site www.fhwa.dot.gov/policy/ohpi as of Jan. 4, 2008.

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

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