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Table 1-4: Washington Road Condition by Functional System -- Rural
(Miles)
Excel | CSV
| Interstate (total reported) |
501 |
501 |
501 |
501 |
501 |
500 |
| Very good |
15 |
0 |
27 |
211 |
211 |
210 |
| Good |
111 |
114 |
146 |
218 |
218 |
220 |
| Fair |
216 |
189 |
151 |
51 |
51 |
49 |
| Mediocre |
143 |
173 |
154 |
19 |
19 |
19 |
| Poor |
16 |
25 |
23 |
2 |
2 |
2 |
| Not reported |
0 |
0 |
0 |
0 |
0 |
0 |
| Other principal arterial (total reported) |
2,094 |
2,086 |
2,080 |
2,081 |
2,081 |
2,081 |
| Very good |
0 |
0 |
0 |
338 |
338 |
328 |
| Good |
261 |
305 |
230 |
1,277 |
1,277 |
1,293 |
| Fair |
1,627 |
1,570 |
1,718 |
455 |
455 |
450 |
| Mediocre |
204 |
208 |
130 |
9 |
9 |
8 |
| Poor |
2 |
3 |
2 |
2 |
2 |
2 |
| Not reported |
0 |
0 |
0 |
0 |
0 |
0 |
| Minor arterial (total reported) |
1,969 |
1,958 |
1,959 |
1,955 |
1,953 |
1,924 |
| Very good |
0 |
0 |
28 |
150 |
160 |
131 |
| Good |
147 |
186 |
100 |
950 |
932 |
933 |
| Fair |
1,323 |
1,172 |
1,274 |
805 |
807 |
806 |
| Mediocre |
428 |
521 |
495 |
24 |
25 |
25 |
| Poor |
71 |
79 |
62 |
26 |
29 |
29 |
| Not reported |
24 |
23 |
22 |
22 |
25 |
54 |
| Major collector (total reported) |
N |
N |
N |
N |
N |
4,389 |
| Very good |
N |
N |
N |
N |
N |
136 |
| Good |
N |
N |
N |
N |
N |
1,417 |
| Fair |
N |
N |
N |
N |
N |
2,787 |
| Mediocre |
N |
N |
N |
N |
N |
0 |
| Poor |
N |
N |
N |
N |
N |
49 |
| Not reported |
N |
N |
N |
N |
N |
N |
KEY: N = data do not exist.
NOTE: In 2000, the Federal Highway Administration began reporting road condition
for rural major collectors using the International Roughness Index, if available.
In prior years, data were only available using the Present Serviceability Rating.
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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