Table 1-5,,,,,,,,,,
U.S. Public Road and Street Mileage by Functional Systema,,,,,,,,,,
,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999
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"
"Principal arterials, other freeways",,,,,,,,,,
 and expressways,"7,668","7,709","8,491","8,841","8,994","8,970","9,027","9,063","9,127","9,125"
"Principal arterials, other","51,968","52,515","51,900","52,708","53,110","52,796","52,983","53,223","53,132","53,206"
Minor arterials,"74,659","74,795","80,815","86,821","87,857","88,510","89,020","89,185","89,496","89,399"
Collectors,"78,254","77,102","82,784","84,854","86,089","87,331","87,790","88,049","88,071","88,008"
Local,"520,568","526,139","548,560","559,776","564,609","568,935","574,728","583,973","588,504","592,978"
  Total,"744,644","749,862","785,066","805,877","813,785","819,706","826,765","836,740","841,642","846,059"
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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"
"Principal arterials, other","83,802","86,747","94,947","96,770","97,175","97,948","98,131","98,257","98,852","98,856"
Minor arterials,"144,774","141,795","137,685","137,577","138,120","137,151","137,359","137,497","137,308","137,463"
Major collectors,"436,352","436,746","434,072","432,222","431,115","431,712","432,117","432,714","432,408","432,954"
Minor collectors,"293,922","293,511","284,504","282,182","282,011","274,081","273,198","272,362","272,140","271,690"
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","2,097,244"
  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","3,071,181"
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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","3,917,240"
"aIncludes 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.",,,,,,,,,,
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"NOTES:  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.",,,,,,,,,,
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"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: Ibid. Highway Statistics (Washington, DC: Annual issues), table HM-20.",,,,,,,,
"1997-99: Ibid., Internet site www.fhwa.dot.gov/ohim/ohimstat.htm as of Nov.15,2000",,,,,,,,
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