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Table
1-6M: Estimated U.S. Roadway Lane-Kilometers by Functional Systema
Excel | CSV
TOTAL lane-kilometers |
12,749,503 |
12,903,711 |
12,956,959 |
13,016,041 |
13,074,455 |
13,087,501 |
13,104,911 |
13,129,436 |
13,162,268 |
13,264,917 |
13,133,628 |
13,161,188 |
13,235,639 |
13,280,060 |
13,349,784 |
13,381,890 |
13,420,032 |
13,472,974 |
Urban,
total |
2,245,429 |
2,482,154 |
2,688,403 |
2,708,127 |
2,830,403 |
2,902,894 |
2,938,464 |
2,961,365 |
2,989,596 |
3,029,873 |
3,044,248 |
3,051,294 |
3,082,703 |
3,165,655 |
3,229,046 |
3,393,543 |
3,539,197 |
3,642,525 |
Interstates |
77,986 |
92,207 |
100,124 |
101,109 |
108,254 |
111,341 |
113,993 |
114,870 |
115,535 |
116,286 |
117,492 |
117,954 |
118,950 |
119,837 |
120,873 |
128,089 |
133,456 |
138,381 |
Other arterialsb |
536,995 |
598,111 |
642,733 |
647,536 |
673,041 |
700,686 |
712,093 |
717,491 |
723,368 |
730,035 |
730,739 |
724,866 |
734,152 |
736,383 |
744,893 |
779,198 |
813,247 |
843,036 |
Collectors |
233,561 |
261,320 |
270,000 |
266,005 |
283,465 |
289,123 |
295,078 |
297,780 |
300,823 |
303,925 |
301,805 |
299,876 |
303,474 |
305,032 |
307,132 |
333,707 |
350,274 |
362,984 |
Local |
1,396,888 |
1,530,515 |
1,675,546 |
1,693,477 |
1,765,643 |
1,801,744 |
1,817,300 |
1,831,224 |
1,849,870 |
1,879,627 |
1,894,212 |
1,908,598 |
1,926,127 |
2,004,404 |
2,056,148 |
2,152,549 |
2,242,220 |
2,298,124 |
Rural,
total |
10,504,074 |
10,421,557 |
10,268,556 |
10,307,914 |
10,244,052 |
10,184,606 |
10,166,447 |
10,168,070 |
10,172,671 |
10,235,043 |
10,089,380 |
10,109,894 |
10,152,936 |
10,114,405 |
10,120,738 |
9,988,347 |
9,880,835 |
9,830,449 |
Interstates |
210,792 |
212,284 |
218,663 |
219,680 |
214,794 |
212,655 |
211,252 |
212,298 |
213,983 |
214,308 |
214,415 |
215,971 |
216,597 |
216,679 |
216,569 |
209,833 |
205,817 |
202,076 |
Other arterialsb |
816,095 |
820,773 |
832,581 |
833,339 |
847,664 |
846,364 |
852,659 |
854,089 |
857,549 |
864,200 |
865,816 |
867,908 |
869,781 |
872,807 |
875,501 |
859,837 |
856,243 |
852,236 |
Collectorsc |
2,303,401 |
2,360,568 |
2,361,876 |
2,361,810 |
2,319,815 |
2,308,561 |
2,304,885 |
2,281,129 |
2,279,896 |
2,283,075 |
2,278,467 |
2,275,537 |
2,276,686 |
2,275,862 |
2,267,167 |
2,234,598 |
2,222,041 |
2,210,189 |
Local |
7,173,786 |
7,027,931 |
6,855,435 |
6,893,084 |
6,861,779 |
6,817,027 |
6,797,650 |
6,820,554 |
6,821,243 |
6,873,460 |
6,730,682 |
6,750,479 |
6,789,872 |
6,749,058 |
6,761,501 |
6,684,079 |
6,596,733 |
6,565,948 |
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-kilometers of
Bureau of Land Management roads are excluded.
NOTE
In estimating rural and urban lane kilometers, 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, table HM-260 (unpublished).
1996-2005: U.S. Department of Transportation, Federal Highway
Administration, Highway Statistics (Washington, DC: Annual issues), table HM-60, Internet site
www.fhwa.dot.gov/policy/ohpi as of Dec. 7, 2006.
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