TABLE 1-33:  Roadway Vehicle-Miles Traveled (VMT) and VMT per Lane-Mile by Functional Class,,,,,,,,,,,,,,,,,,
,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,,,
"Urban VMT, total (millions)","855,265","1,044,098","1,275,484","1,288,497","1,363,054","1,409,672","1,449,247","1,489,534","1,523,886","1,552,956","1,595,620","1,627,618","(R) 1,663,773","1,676,379","1,727,596",,,
Interstate,"161,242","216,188","278,901","285,325","303,265","317,399","330,577","341,528","351,579","361,433","374,622","383,259","(R) 393,465","399,890","408,618",,,
Other arterialsa,"484,189","578,270","699,233","707,518","745,618","773,978","797,899","815,170","834,623","846,627","862,996","878,153","(R) 900,392","913,726","937,357",,,
Collector,"83,043","89,578","106,297","107,281","116,065","117,887","120,088","126,929","129,310","130,146","131,905","131,603","(R) 135,372","137,922","141,874",,,
Local,"126,791","160,062","191,053","188,373","198,106","200,408","200,683","205,907","208,374","214,750","226,097","234,603","(R) 234,544","224,841","239,747",,,
"Rural VMT, total (millions)","672,030","730,728","868,878","883,553","884,097","886,706","908,341","933,289","960,194","999,277","1,032,528","1,062,623","(R) 1,083,152","1,105,083","1,128,160",,,
Interstate,"135,084","154,357","200,173","205,011","205,557","208,308","215,568","223,382","232,565","240,255","251,520","260,166","(R) 268,180","274,024","279,962",,,
Other arterialsa,"262,774","282,803","330,866","334,755","344,062","349,567","357,329","368,595","378,847","392,057","403,484","413,320","(R) 420,599","426,945","433,805",,,
Collectorb,"189,468","206,669","240,460","245,630","234,910","226,296","230,529","236,148","241,030","254,100","257,868","264,453","(R) 267,231","270,962","275,007",,,
Local,"84,704","86,899","97,379","98,157","99,568","102,535","104,915","105,164","107,752","112,865","119,656","124,684","(R) 127,142","133,152","139,386",,,
"Urban VMT per lane-mile, total (thousands)",613,677,764,766,775,782,794,810,820,825,844,858,869,852,861,,,
Interstate,"3,327","3,773","4,483","4,542","4,508","4,588","4,667","4,784","4,897","5,002","5,131","5,229","(R) 5,323","5,370","5,440",,,
Other arterialsa,"1,451","1,556","1,751","1,758","1,783","1,778","1,803","1,829","1,857","1,866","1,901","1,950","(R) 1,974","1,997","2,025",,,
Collector,572,552,634,649,659,656,655,686,692,689,703,706,718,728,743,,,
Local,146,168,184,179,181,179,178,181,181,184,192,198,(R) 196,181,188,,,,
"Rural VMT per lane-mile, total (thousands)",103,113,136,138,139,140,144,148,152,157,165,169,172,176,179,,,,
Interstate,"1,031","1,170","1,473","1,502","1,540","1,576","1,642","1,693","1,749","1,804","1,888","1,939","(R) 1,993","2,035","2,080",,,,
Other arterialsa,518,555,640,646,653,665,674,695,711,730,750,766,(R) 778,787,797,,,,
Collectorb,132,141,164,167,163,158,161,167,170,179,182,187,189,192,195,,,,
Local,19,20,23,23,23,24,25,25,25,26,29,30,30,32,33,,,,
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. ",,,,,,,,,,,,,,,,,,,
"1995-2002: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues), table VM-2 and VM-2A.",,,,,,,,,,,,,,,,,,,
Lane-miles:,,,,,,,,,,,,,,,,,,,
"1980-95:  U.S. Department of Transportation, Federal Highway Administration, Office of Highway Information Management, unpublished data, 1997, table HM-260.",,,,,,,,,,,,,,,,,
"1996-2002:  U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues), table HM-60.",,,,,,,,,,,,,,,,,