Bureau of Transportation Statistics (BTS)
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Table 1-1: Montana Public Road Length, Miles by Functional System

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  1995 1996 1997 1998 1999 2000
Total rural and urban 69,537 69,809 69,672 69,890 69,662 69,567
Rural 67,138 67,389 67,216 67,405 67,077 67,076
Interstate 1,137 1,137 1,137 1,134 1,134 1,134
Other principal arterial 2,622 2,622 2,622 2,623 2,623 2,622
Minor arterial 2,990 2,990 2,988 2,985 2,985 2,989
Major arterial 7,054 7,073 7,071 7,063 7,074 7,038
Minor collector 9,089 9,044 9,039 9,035 9,007 9,005
Local 44,246 44,523 44,359 44,565 44,254 44,288
Urban 2,399 2,420 2,456 2,485 2,585 2,491
Interstate 53 53 54 57 57 57
Other freeways and expressways 0 0 0 0 0 0
Other principal arterial 174 174 174 174 174 174
Minor arterial 217 216 219 226 235 229
Collector 285 293 296 297 325 301
Local 1,670 1,684 1,713 1,731 1,794 1,730

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics, Washington, DC: annual editions, table HM-20, available at http://www.fhwa.dot.gov/ohim/hs00/hm20.htm as of Feb. 1, 2002.