Bureau of Transportation Statistics (BTS)
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Figure 1-2: Urban Road Conditions in South Carolina: 2000

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(Miles)

  Interstate Other Freeways & Expressways Other Principal Arterial Urban Minor Arterial Urban Collector
Total 156 71 704 990 1,457
Very good 46 7 13 47 62
Good 80 40 195 117 61
Fair 18 23 380 517 602
Mediocre 11 0 66 189 337
Poor 1 1 50 120 395
Not reported 0 0 0 0 0

(Percent)

  Interstate Other freeways and expressways Other principal arterial Urban minor arterial Urban collector
Total 100 100 100 100 100
Very good 29 10 2 5 4
Good 51 56 28 12 4
Fair 12 32 54 52 41
Mediocre 7 0 9 19 23
Poor 1 1 7 12 27

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 FOR DATA ON THIS PAGE: 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.



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