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

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BTS Home > Publications > National Transportation Statistics > 2000

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

Excel | CSV

	1980	1985	1990	1991	1992	1993	1994	1995	1996	1997^R	1998^R	1999
Urban
Interstates	77,986	^R92,207	100,124	101,109	108,254	111,341	113,993	114,870	115,535	117,427	118,655	119,153
Other arterials	^R536,995	^R598,111	^R642,733	647,536	673,041	700,686	712,093	^R717,491	^R723,368	733,655	734,397	728,433
Collectors	233,561	^R261,320	270,000	266,005	283,465	289,123	295,078	^R297,780	^R300,823	302,022	303,928	301,932
Local	^R1,396,888	^R1,530,515	^R1,675,546	1,693,477	1,765,643	1,801,744	1,817,300	^R1,831,224	^R1,849,870	1,897,301	1,911,925	1,926,427
Total	^R2,245,429	^R2,482,154	^R2,688,403	2,708,127	2,830,403	2,902,894	2,938,464	^R2,961,365	^R2,989,596	3,054,405	3,068,905	3,075,944
Rural
Interstates	210,792	212,284	^R218,663	219,680	214,794	212,655	211,252	^R212,298	^R213,983	214,308	215,073	216,635
Other arterials	^R816,095	^R820,775	^R832,581	833,339	847,664	846,364	852,659	^R854,089	^R857,549	865,618	867,235	869,381
Collectors^a	^R2,303,401	^R2,360,572	^R2,361,876	2,361,810	2,319,815	2,308,561	2,304,885	^R2,281,129	^R2,279,896	2,287,792	2,283,229	2,280,379
Local	^R7,173,786	^R7,027,944	^R6,855,435	6,893,084	6,861,779	6,817,027	6,797,650	^R6,820,554	^R6,821,243	6,891,559	6,748,837	6,768,836
Total	^R10,504,074	^R10,421,576	^R10,268,556	10,307,914	10,244,052	10,184,606	10,166,447	10,168,070	^R10,172,671	10,259,277	10,114,410	10,135,232
TOTAL lane-kilometers	^R12,749,503	^R12,903,735	^R12,956,959	13,016,041	13,074,455	13,087,501	13,104,911	^R13,129,436	^R13,162,268	13,313,681	13,183,315	13,211,176

^aIncludes minor and major collectors in the 50 states and Puerto Rico.

KEY: R = revised.

NOTE: In estimating rural and urban lane mileage, the U.S. Department of Transportation, Federal Highway Administrationassumed 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Department of Transportation, Federal Highway Administration, Office of Highway Information Management, table HM-260 (unpublished).
1996-98: Ibid. Highway Statistics (Washington, DC: Annual issues), table HM-60.

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