Figure 1-1: Rural Road Conditions in Montana: 2000 ,,,,
(Miles),,,,
,Interstate,Other Principal Arterial,Minor Arterial,Major Collector
Total,"1,134","2,616","2,989",37
   Very good ,354,322,374,0
   Good,501,"1,549","1,608",0
   Fair,123,688,919,37
   Mediocre ,144,48,88,0
   Poor,12,9,0,0
(Percent),,,,
,Interstate ,Other principal arterial ,Minor arterial,Major collector
Total,"1,134","2,616","2,989",37
Very good ,31,12,13,0
Good,44,59,54,0
Fair,11,26,31,100
Mediocre ,13,2,3,0
Poor,1,0,0,0
"NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International Roughness Index (IRI). IRI is a measure of surface condition. A comprehensive measure of pavement condition would require data on other pavement distresses such as rutting, cracking, and faulting.",,,,
"SOURCE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics, Washington, DC: annual editions, tables HM-63 and HM-64, available at http://www.fhwa.dot.gov/ as of Feb. 1, 2002.",,,,