Table 1-30:  Roadway Vehicle-Miles Traveled (VMT) and VMT per Lane-Mile by Functional Class,,,,,,,,,,,,,
,1980  ,1985   ,1990   ,1991   ,1992   ,1993   ,1994   ,1995    ,1996   ,1997   ,1998   ,1999   ,2000   
VMT (millions),,,,,,,,,,,,,
Urban,,,,,,,,,,,,,
Interstate,"161,242","216,188","278,901","285,325","303,265","317,399","330,577","R341,528","351,579","361,401","374,622","383,103","393,420"
Other arterialsa,"484,189","578,270","699,233","707,518","745,618","773,978","797,899","R815,170","834,623","846,659","862,994","877,796","899,794"
Collector,"83,043","89,578","106,297","107,281","116,065","117,887","120,088","R126,929","129,310","130,143","131,919","131,549","135,316"
Local,"126,791","160,062","191,053","188,373","198,106","200,408","200,683","205,907","208,374","222,142","228,530","234,507","235,634"
    Total,"855,265","1,044,098","1,275,484","1,288,497","1,363,054","1,409,672","1,449,247","R1,489,534","1,523,886","1,560,345","1,598,065","1,626,955","1,664,164"
,,,,,,,,,,,,,
Rural,,,,,,,,,,,,,
Interstate,"135,084","154,357","200,173","205,011","205,557","208,308","215,568","223,382","232,565","240,255","251,520","260,060","268,850"
Other arterialsa,"262,774","282,803","330,866","334,755","344,062","349,567","357,329","368,595","378,847","392,058","403,484","413,152","420,398"
Collectorb,"189,468","206,669","240,460","245,630","234,910","226,296","230,529","236,148","241,030","254,364","257,858","264,345","267,412"
Local,"84,704","86,899","97,379","98,157","99,568","102,535","104,915","105,164","107,752","114,673","120,595","125,875","127,859"
    Total,"672,030","730,728","868,878","883,553","884,097","886,706","908,341","933,289","960,194","1,001,350","1,033,457","1,063,432","1,084,519"
,,,,,,,,,,,,,,
VMT per lane-mile ,,,,,,,,,,,,,,
   (thousands),,,,,,,,,,,,,,
,,,,,,,,,,,,,,
Urban,,,,,,,,,,,,,,
Interstate,"3,327","3,773","4,483","4,542","4,508","4,588","4,667","R4,784","4,897","R5,002","R5,131","5,229","5,325",
Other arterialsa,"1,451","1,556","1,751","1,758","1,783","1,778","1,803","R1,829","1,857","R1,866","R1,901","1,950","1,977",
Collector,572,552,634,649,659,656,655,686,692,R689,R703,706,718,
Local,146,168,184,179,181,179,178,181,181,R190,R194,198,197,
    Total,613,677,764,766,775,782,794,R810,820,R829,R845,858,869,
,,,,,,,,,,,,,,
Rural,,,,,,,,,,,,,,
Interstate,"1,031","1,170","1,473","1,502","1,540","1,576","1,642","1,693","1,749","1,804","R1,888","1,939","1,998",
Other arterialsa,518,555,640,646,653,665,674,695,R711,R730,R750,766,779,
Collectorb,132,141,164,167,163,158,161,167,170,179,182,187,189,
Local,19,20,23,23,23,24,25,25,25,27,29,30,30,
    Total,103,113,136,138,139,140,144,148,R152,157,R165,169,172,
KEY:  R = revised.,,,,,,,,,,,,,,
,,,,,,,,,,,,,,
"a  For 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.,,,,,,,,,,,,,,
b  Collector is the sum of major and minor collectors (rural only).,,,,,,,,,,,,,,
,,,,,,,,,,,,,,
NOTE:  See table 1-6 for estimated highway lane-miles by functional class.,,,,,,,,,,,,,,
,,,,,,,,,,,,,,
"SOURCES:  1980-94: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table VM-202. ",,,,,,,,,,,,,,
"1995-1998, 2000: Ibid., Highway Statistics (Washington, DC: Annual issues), tables VM-2 and VM-2A.",,,,,,,,,,,,,,
"1999: Ibid., personal communication, June 5, 2002.",,,,,,,,,,,,,,
Lane-miles:,,,,,,,,,,,,,,
"1980-95:  Ibid., Office of Highway Information Management, unpublished data, 1997, table HM-260.",,,,,,,,,,,,,,
"1996-1998, 2000:  Ibid., Highway Statistics (Washington, DC: Annual issues), table HM-60.",,,,,,,,,,,,,,
"1999: Ibid., personal communication, June 5, 2002.",,,,,,,,,,,,,,