BTS | Table 1-5: U.S. Public Road and Street Mileage by Functional System (a)

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Table 1-5: U.S. Public Road and Street Mileage by Functional System^a

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	1990	1991	1992	1993	1994	1995	1996	1997	^b1998	1999	2000
Urban mileage
Principal arterials, Interstates	11,527	11,602	12,516	12,877	13,126	13,164	13,217	13,247	13,312	13,343	13,379
Principal arterials, other freeways and expressways	7,668	7,709	8,491	8,841	8,994	8,970	9,027	9,063	9,127	9,132	9,140
Principal arterials, other	51,968	52,515	51,900	52,708	53,110	52,796	52,983	53,223	53,132	53,199	53,312
Minor arterials	74,659	74,795	80,815	86,821	87,857	88,510	89,020	89,185	89,496	89,432	89,789
Collectors	78,254	77,102	82,784	84,854	86,089	87,331	87,790	88,049	88,071	88,005	88,200
Local	520,568	526,139	548,560	559,776	564,609	568,935	574,728	583,973	588,504	592,974	598,421
Total	744,644	749,862	785,066	805,877	813,785	819,706	826,765	836,740	841,642	846,085	852,241
Rural mileage
Principal arterials, Interstates	33,547	33,677	32,951	32,631	32,457	32,580	32,820	32,817	32,813	32,974	33,048
Principal arterials, other	83,802	86,747	94,947	96,770	97,175	97,948	98,131	98,257	98,852	98,838	98,911
Minor arterials	144,774	141,795	137,685	137,577	138,120	137,151	137,359	137,497	137,308	137,462	137,574
Major collectors	436,352	436,746	434,072	432,222	431,115	431,712	432,117	432,714	432,408	432,934	433,121
Minor collectors	293,922	293,511	284,504	282,182	282,011	274,081	273,198	272,362	272,140	271,676	271,815
Local	2,129,885	2,141,582	2,131,856	2,117,952	2,111,932	2,119,048	2,119,262	2,135,485	2,091,127	2,097,274	2,109,519
Total	3,122,282	3,134,058	3,116,015	3,099,334	3,092,810	3,092,520	3,092,887	3,109,132	3,064,648	3,071,158	3,083,988
TOTAL urban and rural mileage	3,866,926	3,883,920	3,901,081	3,905,211	3,906,595	3,912,226	3,919,652	3,945,872	3,906,290	3,917,243	3,936,229

^a Includes the 50 states and the District of Columbia. When states did not submit reports, data were estimated by the U.S. Department of Transportation, Federal Highway Administration.

^b Beginning in 1998, approximately 43,000 miles of Bureau of Land Management roads are excluded.

NOTE: A public road is any road under the ownership of and maintained by a public authority (federal, state, county, town, or township, local government, or instrumentality thereof) and open to public travel. No consistent data on private road mileage are available. For more detailed information, including breakouts of mileage by ownership and type of surface, see the source document.

SOURCES: 1990-95: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table HM-220.

1996-98, 2000: Ibid., Highway Statistics (Washington, DC: Annual issues), table HM-20. Available at www.fhwa.dot.gov/ohim/ohimstat.htm as of October 2001.

1999: Ibid., personal communication, May 2002.

Table 1-5: U.S. Public Road and Street Mileage by Functional Systema

Table 1-5: U.S. Public Road and Street Mileage by Functional System^a