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Table
1-26: Condition of U.S. Roadways by
Functional System
Excel | CSV
RURAL |
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Interstates miles reported |
33,547 |
33,677 |
33,027 |
29,089 |
31,502 |
31,254 |
31,312 |
31,431 |
30,498 |
32,820 |
32,888 |
32,951 |
32,907 |
31,956 |
Poor, percent |
8.7 |
7.6 |
5.2 |
7.0 |
6.5 |
6.3 |
3.9 |
3.6 |
4.1 |
2.4 |
2.1 |
1.9 |
2.1 |
1.6 |
Mediocre, percent |
b |
b |
14.1 |
27.7 |
26.5 |
20.7 |
19.1 |
19.1 |
16.5 |
14.0 |
12.2 |
11.7 |
10.2 |
9.8 |
Fair, percent |
31.9 |
31.7 |
17.4 |
20.9 |
23.9 |
22.3 |
21.7 |
20.7 |
17.8 |
18.1 |
16.9 |
15.4 |
15.5 |
15.4 |
Good, percent |
b |
b |
27.6 |
36.1 |
33.2 |
36.9 |
38.8 |
41.0 |
42.6 |
44.0 |
44.8 |
43.3 |
44.0 |
43.9 |
Very good, percent |
59.5 |
60.7 |
35.6 |
8.3 |
9.9 |
13.9 |
16.6 |
15.7 |
19.0 |
21.5 |
23.9 |
27.7 |
28.2 |
29.3 |
Unpaved, percent |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
3,563 |
955 |
1,326 |
1,508 |
1,382 |
2,313 |
153 |
162 |
109 |
84 |
87 |
Other principal arterials miles reported |
83,802 |
85,729 |
94,798 |
78,296 |
89,506 |
89,265 |
92,103 |
92,170 |
93,333 |
97,247 |
(R) 97,297 |
97,947 |
97,854 |
96,656 |
Poor, percent |
3.4 |
3.6 |
3.3 |
2.9 |
2.4 |
4.4 |
1.4 |
1.6 |
1.4 |
0.9 |
0.8 |
0.7 |
0.7 |
0.7 |
Mediocre, percent |
b |
b |
5.9 |
9.2 |
8.2 |
7.6 |
5.8 |
4.9 |
4.6 |
3.7 |
3.2 |
3.0 |
2.7 |
2.8 |
Fair, percent |
42.6 |
44.5 |
34.6 |
54.8 |
57.4 |
51.1 |
49.1 |
47.7 |
43.3 |
41.5 |
38.7 |
37.3 |
35.6 |
35.5 |
Good, percent |
b |
b |
28.5 |
26.7 |
26.6 |
27.9 |
34.4 |
37.2 |
38.3 |
40.5 |
42.9 |
42.5 |
44.2 |
44.6 |
Very good, percent |
53.8 |
51.9 |
27.6 |
6.4 |
5.4 |
9.0 |
9.3 |
8.6 |
12.3 |
13.5 |
14.4 |
16.5 |
16.7 |
16.4 |
Unpaved, percent |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
17,905 |
7,489 |
8,683 |
6,028 |
6,083 |
5,524 |
1,587 |
(R) 1,619 |
1,247 |
1,009 |
386 |
Minor arterials miles reported |
144,735 |
142,866 |
137,637 |
134,837 |
124,877 |
121,443 |
126,381 |
126,525 |
130,591 |
135,192 |
(R) 136,096 |
134,698 |
136,955 |
134,984 |
Poor, percent |
4.6 |
4.3 |
3.9 |
3.9 |
3.5 |
3.7 |
2.3 |
2.3 |
1.9 |
1.7 |
1.7 |
1.7 |
1.3 |
1.3 |
Mediocre, percent |
b |
b |
7.1 |
9.1 |
10.5 |
9.0 |
8.2 |
6.7 |
6.0 |
5.2 |
5.3 |
5.2 |
4.5 |
4.8 |
Fair, percent |
48.2 |
47.3 |
36.4 |
53.5 |
57.9 |
54.7 |
50.7 |
50.4 |
47.2 |
47.3 |
46.2 |
44.9 |
43.6 |
43.0 |
Good, percent |
b |
b |
25.3 |
25.0 |
23.6 |
23.9 |
31.0 |
33.6 |
34.3 |
34.4 |
35.6 |
36.9 |
39.1 |
41.2 |
Very good, percent |
47.2 |
48.4 |
26.8 |
8.5 |
4.5 |
8.7 |
7.7 |
7.0 |
10.6 |
11.4 |
11.2 |
11.3 |
11.6 |
9.7 |
Unpaved, percent |
- |
- |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
12,740 |
13,294 |
15,708 |
10,978 |
10,978 |
6,664 |
1,968 |
(R) 1,436 |
2,883 |
606 |
607 |
Major collectors miles reported |
436,365 |
436,737 |
434,175 |
432,223 |
431,111 |
431,712 |
432,117 |
386,122 |
171,134 |
(R) 389,134 |
(R) 388,488 |
389,573 |
389,125 |
383,414 |
Poor, percent |
8.9 |
7.7 |
7.8 |
6.8 |
6.5 |
6.5 |
6.7 |
7.8 |
8.8 |
(R) 15.4 |
8.5 |
7.6 |
7.7 |
7.4 |
Mediocre, percent |
b |
b |
11.0 |
12.4 |
11.3 |
11.4 |
10.3 |
12.3 |
13.0 |
(R) 15.8 |
12.7 |
12.8 |
11.8 |
11.7 |
Fair, percent |
43.8 |
45.2 |
32.3 |
37.7 |
33.5 |
30.8 |
34.4 |
37.6 |
33.5 |
(R) 44.8 |
43.7 |
43.7 |
43.4 |
44.3 |
Good, percent |
b |
b |
17.7 |
16.3 |
16.1 |
17.4 |
20.0 |
23.0 |
21.3 |
(R) 17.2 |
22.0 |
23.4 |
24.9 |
25.1 |
Very good, percent |
36.2 |
36.1 |
20.4 |
15.9 |
21.9 |
23.7 |
18.4 |
19.3 |
23.4 |
(R) 6.7 |
13.2 |
12.5 |
12.2 |
11.4 |
Unpaved, percent |
11.1 |
11.0 |
10.7 |
10.9 |
10.7 |
10.2 |
10.1 |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
N |
N |
N |
N |
2,402 |
217,566 |
N |
N |
N |
N |
N |
URBAN |
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Interstates miles reported |
11,527 |
11,603 |
12,466 |
10,738 |
12,338 |
12,307 |
12,430 |
12,477 |
12,231 |
13,109 |
13,139 |
13,261 |
13,367 |
14,331 |
Poor, percent |
8.6 |
7.7 |
7.1 |
10.6 |
13.0 |
10.4 |
8.6 |
9.0 |
9.4 |
7.3 |
6.5 |
7.4 |
7.7 |
7.7 |
Mediocre, percent |
b |
b |
13.2 |
30.9 |
29.9 |
26.8 |
28.3 |
27.0 |
25.5 |
23.1 |
21.7 |
20.8 |
20.6 |
19.1 |
Fair, percent |
32.2 |
32.3 |
17.0 |
23.6 |
24.2 |
23.8 |
24.7 |
24.4 |
21.8 |
(R) 22.5 |
21.4 |
20.9 |
20.3 |
18.8 |
Good, percent |
b |
b |
28.0 |
28.3 |
26.7 |
27.5 |
30.7 |
32.9 |
32.0 |
34.9 |
37.1 |
35.9 |
36.0 |
36.6 |
Very good, percent |
59.1 |
60.0 |
34.7 |
6.5 |
6.2 |
11.4 |
7.6 |
6.7 |
11.4 |
12.0 |
13.3 |
14.9 |
15.4 |
17.9 |
Unpaved, percent |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
2,140 |
788 |
857 |
787 |
771 |
1,040 |
230 |
226 |
147 |
123 |
131 |
Other freeways and expressway miles reported |
7,670 |
7,714 |
8,465 |
7,011 |
7,618 |
7,804 |
8,410 |
8,480 |
8,772 |
8,860 |
(R) 8,796 |
8,955 |
9,242 |
9,786 |
Poor, percent |
2.2 |
2.3 |
2.6 |
3.8 |
5.3 |
4.8 |
3.4 |
3.3 |
3.2 |
2.6 |
2.8 |
3.1 |
2.7 |
2.4 |
Mediocre, percent |
b |
b |
5.9 |
9.4 |
12.7 |
9.8 |
8.7 |
8.7 |
8.7 |
(R) 8.1 |
8.1 |
7.1 |
7.6 |
8.3 |
Fair, percent |
43.9 |
44.2 |
32.4 |
60.6 |
58.1 |
54.7 |
54.7 |
58.5 |
54.3 |
53.6 |
(R) 50.7 |
50.6 |
48.6 |
45.7 |
Good, percent |
b |
b |
28.1 |
22.7 |
20.9 |
20.4 |
26.3 |
25.2 |
27.1 |
(R) 29.0 |
31.6 |
31.5 |
33.3 |
35.0 |
Very good, percent |
53.9 |
53.5 |
31.0 |
3.5 |
2.9 |
10.3 |
6.8 |
4.2 |
6.6 |
6.8 |
6.8 |
7.7 |
7.9 |
8.6 |
Unpaved, percent |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
1,846 |
1,377 |
1,166 |
617 |
579 |
397 |
281 |
(R) 353 |
176 |
82 |
81 |
Other principal arterials miles reported |
51,987 |
52,349 |
52,165 |
30,337 |
38,598 |
41,444 |
44,498 |
45,009 |
44,886 |
48,045 |
(R) 47,890 |
48,931 |
50,016 |
53,431 |
Poor, percent |
5.9 |
6.6 |
6.8 |
9.2 |
12.5 |
12.4 |
11.8 |
12.1 |
12.9 |
12.5 |
13.2 |
12.9 |
13.3 |
12.7 |
Mediocre, percent |
b |
b |
11.5 |
13.3 |
16.3 |
14.7 |
14.1 |
14.6 |
18.5 |
18.1 |
16.8 |
16.4 |
16.4 |
16.4 |
Fair, percent |
49.0 |
49.1 |
34.8 |
55.0 |
50.8 |
47.2 |
48.9 |
49.5 |
45.3 |
45.2 |
45.1 |
45.7 |
46.1 |
46.7 |
Good, percent |
b |
b |
21.4 |
19.3 |
16.6 |
15.9 |
17.5 |
17.8 |
17.6 |
18.8 |
19.4 |
19.5 |
19.4 |
19.5 |
Very good, percent |
45.1 |
44.3 |
25.3 |
3.3 |
3.8 |
9.7 |
7.7 |
6.0 |
5.8 |
5.4 |
5.4 |
5.5 |
4.9 |
4.7 |
Unpaved, percent |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
22,498 |
14,492 |
11,352 |
8,485 |
8,209 |
8,246 |
5,154 |
(R) 5,426 |
4,126 |
3,422 |
3,440 |
Minor arterials miles reported |
74,656 |
74,979 |
80,368 |
86,819 |
87,852 |
88,510 |
89,020 |
88,484 |
45,275 |
(R) 88,663 |
(R) 88,338 |
88,260 |
89,559 |
92,527 |
Poor, percent |
8.9 |
7.4 |
7.9 |
7.9 |
6.7 |
6.7 |
6.9 |
7.2 |
5.7 |
(R) 19.4 |
10.0 |
10.5 |
10.5 |
11.4 |
Mediocre, percent |
b |
b |
14.3 |
13.8 |
12.3 |
13.6 |
13.0 |
13.0 |
12.2 |
(R) 17.4 |
16.0 |
15.9 |
16.1 |
16.5 |
Fair, percent |
48.5 |
49.9 |
34.1 |
40.2 |
38.1 |
36.9 |
37.9 |
37.9 |
36.0 |
(R) 40.7 |
39.8 |
41.1 |
40.7 |
41.6 |
Good, percent |
b |
b |
19.2 |
18.4 |
20.5 |
20.4 |
20.7 |
21.4 |
22.1 |
(R) 14.2 |
16.9 |
16.8 |
17.4 |
16.7 |
Very good, percent |
42.1 |
42.1 |
24.0 |
19.4 |
22.1 |
22.1 |
21.1 |
20.6 |
24.0 |
(R) 8.3 |
17.3 |
15.7 |
15.3 |
13.8 |
Unpaved, percent |
0.5 |
0.6 |
0.5 |
0.4 |
0.3 |
0.3 |
0.4 |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
N |
N |
N |
N |
374 |
43,435 |
N |
N |
N |
N |
N |
Collectors miles reported |
78,248 |
77,097 |
82,657 |
84,856 |
86,098 |
87,331 |
87,790 |
86,666 |
53,806 |
(R) 86,821 |
(R) 86,030 |
86,267 |
87,754 |
94,939 |
Poor, percent |
16.5 |
11.2 |
10.5 |
10.6 |
9.8 |
9.7 |
9.7 |
10.6 |
8.1 |
(R) 22.1 |
14.7 |
14.6 |
15.4 |
16.5 |
Mediocre, percent |
b |
b |
16.9 |
16.8 |
16.2 |
16.8 |
16.6 |
16.0 |
12.8 |
(R) 17.5 |
17.4 |
17.3 |
17.4 |
17.5 |
Fair, percent |
50.4 |
53.5 |
35.2 |
40.0 |
40.0 |
39.0 |
39.2 |
39.0 |
39.4 |
(R) 37.7 |
35.7 |
36.6 |
36.8 |
36.0 |
Good, percent |
b |
b |
17.3 |
16.1 |
17.0 |
17.2 |
18.2 |
18.4 |
18.8 |
(R) 12.8 |
14.2 |
13.5 |
13.7 |
13.4 |
Very good, percent |
31.7 |
34.2 |
19.1 |
15.5 |
16.0 |
16.6 |
15.4 |
15.9 |
20.9 |
(R) 9.9 |
18.0 |
18.1 |
16.7 |
16.6 |
Unpaved, percent |
1.3 |
1.1 |
1.1 |
1.0 |
0.9 |
0.8 |
0.9 |
N |
N |
N |
N |
N |
N |
N |
Miles not reporteda |
N |
N |
N |
N |
N |
N |
N |
663 |
32,921 |
N |
N |
N |
N |
N |
KEY: N = data do not exist; - = value too small to report.
a Historical differences in miles not reported result from the
transition from the Present Serviceability Rating (PSR) to the International
Roughness Indicator (IRI).
b Included in row below.
NOTES
Because of the transition to a new indicator for pavement condition beginning with data published in 1993 by the U.S. Department of Transportation, Federal Highway Administration (FHWA) comparisons between pre-1993 data and 1993 and later data are difficult. Thus, trend comparisons should be made with care. For additional information, the reader is referred to the accuracy profile for this table in the appendix. Total mileage in this table will not match that in table 1-5 because of a change in the method of creating mileage-based tables derived from the Highway Performance Monitoring System, beginning with the 1997 issue of FHWA's Highway Statistics.
Data are for the 50 states and the District of Columbia.
Numbers may not add to totals due to rounding.
SOURCES
1990-92: U.S. Department
of Transportation, Federal Highway Administration, Highway
Statistics (Washington, DC: Annual issues),
table HM-63.
1993-2003: Ibid., table HM-63 for rural major collector, urban
minor arterial, and urban collector, and table HM-64 for all other
categories.
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