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Table 1-6: Estimated U.S.
Roadway Lane-Miles by Functional Systema
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TOTAL lane-miles |
7,922,174 |
8,017,994 |
8,051,081 |
8,087,793 |
8,124,090 |
8,132,196 |
8,143,014 |
8,158,253 |
8,178,654 |
8,242,437 |
8,160,858 |
8,177,983 |
8,224,245 |
8,251,847 |
8,295,171 |
8,315,121 |
8,338,821 |
8,371,718 |
8,420,589 |
8,457,353 |
Urban,
total |
1,395,245 |
1,542,339 |
1,670,496 |
1,682,752 |
1,758,731 |
1,803,775 |
1,825,877 |
1,840,107 |
1,857,649 |
1,882,676 |
1,891,608 |
1,895,986 |
1,915,503 |
1,967,047 |
2,006,436 |
2,108,650 |
2,199,155 |
2,263,360 |
2,308,602 |
2,343,858 |
Interstates |
48,458 |
57,295 |
62,214 |
62,826 |
67,266 |
69,184 |
70,832 |
71,377 |
71,790 |
72,257 |
73,006 |
73,293 |
73,912 |
74,463 |
75,107 |
79,591 |
82,926 |
85,986 |
87,944 |
89,270 |
Other arterialsb |
333,673 |
371,649 |
399,376 |
402,360 |
418,208 |
435,386 |
442,474 |
445,828 |
449,480 |
453,623 |
454,060 |
450,411 |
456,181 |
457,567 |
462,855 |
484,171 |
505,328 |
523,838 |
532,933 |
540,189 |
Collectors |
145,128 |
162,377 |
167,770 |
165,288 |
176,137 |
179,653 |
183,353 |
185,032 |
186,923 |
188,850 |
187,533 |
186,334 |
188,570 |
189,538 |
190,843 |
207,356 |
217,650 |
225,548 |
231,853 |
233,853 |
Local |
867,986 |
951,018 |
1,041,136 |
1,052,278 |
1,097,120 |
1,119,552 |
1,129,218 |
1,137,870 |
1,149,456 |
1,167,946 |
1,177,009 |
1,185,948 |
1,196,840 |
1,245,479 |
1,277,631 |
1,337,532 |
1,393,251 |
1,427,988 |
1,455,872 |
1,480,546 |
Rural,
total |
6,526,929 |
6,475,655 |
6,380,585 |
6,405,041 |
6,365,359 |
6,328,421 |
6,317,137 |
6,318,146 |
6,321,005 |
6,359,761 |
6,269,250 |
6,281,997 |
6,308,742 |
6,284,800 |
6,288,735 |
6,206,471 |
6,139,666 |
6,108,358 |
6,111,987 |
6,113,495 |
Interstates |
130,980 |
131,907 |
135,871 |
136,503 |
133,467 |
132,138 |
131,266 |
131,916 |
132,963 |
133,165 |
133,231 |
134,198 |
134,587 |
134,638 |
134,570 |
130,384 |
127,889 |
125,564 |
124,380 |
123,512 |
Other arterialsb |
507,098 |
510,005 |
517,342 |
517,813 |
526,714 |
525,906 |
529,818 |
530,706 |
532,856 |
536,989 |
537,993 |
539,293 |
540,457 |
542,337 |
544,011 |
534,278 |
532,045 |
529,555 |
525,686 |
530,476 |
Collectorsc |
1,431,267 |
1,466,789 |
1,467,602 |
1,467,561 |
1,441,466 |
1,434,473 |
1,432,189 |
1,417,428 |
1,416,662 |
1,418,637 |
1,415,774 |
1,413,953 |
1,414,667 |
1,414,155 |
1,408,752 |
1,388,515 |
1,380,712 |
1,373,348 |
1,372,906 |
1,369,500 |
Local |
4,457,584 |
4,366,954 |
4,259,770 |
4,283,164 |
4,263,712 |
4,235,904 |
4,223,864 |
4,238,096 |
4,238,524 |
4,270,970 |
4,182,252 |
4,194,553 |
4,219,031 |
4,193,670 |
4,201,402 |
4,153,294 |
4,099,020 |
4,079,891 |
4,089,015 |
4,090,007 |
a Includes the 50 States and the District of Columbia.
b For urban: the sum of other freeways and expressways, other
principal arterials, and minor arterials.
For rural: the sum of other principal arterials and minor arterials.
c Includes minor and major collectors.
d Beginning in 1998, approximately 138,400 lane-miles of Bureau
of Land Management roads are excluded.
NOTE
In estimating rural and urban lane mileage, the U.S. Department
of Transportation, Federal Highway Administration assumes that rural minor
collectors and urban/rural local roads are two lanes wide.
SOURCES
1980-95: U.S. Department
of Transportation, Federal Highway Administration, Office of Highway
Information Management, Highway Statistics Summary
to 1995 (Washington, DC), table HM-260,
available at
http://www.fhwa.dot.gov/policy/ohpi/hss/hsspubs.cfm as of March 2009.
1996-2007: U.S. Department of Transportation, Federal Highway
Administration, Highway Statistics (Washington, DC: Annual issues), table HM-60, available at
http://www.fhwa.dot.gov/policy/ohpi/hss/hsspubs.cfm as of March 2009.
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