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Functional System Data; Estimated Lane - Length - 2006

Lane-Miles by Functional System

October 2007

State Rural Urban Total
Interstate Other Principal Arterial Minor Arterial Major Collector Minor Collector Local Total Interstate Other Freeways and Expressways Other Principal Arterial Minor Arterial Collector Local Total
Alabama 2,202 5,777 5,777 23,545 13,181 99,719 152,464 1,736 136 3,835 5,289 4,717 31,909 47,622 200,086
Alaska 2,073 1,633 1,633 2,762 2,136 15,341 24,830 276 0 230 532 716 3,382 5,136 29,966
Arizona 3,927 3,070 3,070 8,820 4,373 55,638 78,779 1,007 1,123 6,127 5,400 3,654 34,761 52,072 130,851
Arkansas 1,853 5,740 5,740 25,010 13,815 125,364 177,899 899 396 1,959 2,475 1,883 16,730 24,342 202,241
California 5,865 9,530 9,530 25,466 16,512 102,901 173,851 8,916 8,814 25,112 28,413 23,418 111,773 206,446 380,297
Colorado 2,769 5,412 5,412 11,008 17,932 95,453 140,215 1,287 1,306 4,349 4,222 3,856 27,691 42,711 182,926
Connecticut 213 407 407 1,902 798 8,725 12,544 1,646 975 1,814 3,786 3,858 20,690 32,769 45,313
Delaware 0 598 598 920 457 4,608 6,818 253 99 723 517 758 4,227 6,577 13,395
Dist. of Columbia 0 0 0 0 0 0 0 79 89 410 489 379 2,090 3,536 3,536
Florida 3,446 8,072 8,072 8,275 6,703 53,469 84,957 4,112 2,626 15,233 13,032 15,680 132,129 182,812 267,769
Georgia 3,225 7,867 7,867 25,260 14,811 104,601 166,635 3,378 549 6,888 10,554 5,746 55,752 82,867 249,502
Hawaii 25 229 229 612 246 2,382 4,096 322 148 705 357 860 2,936 5,328 9,424
Idaho 2,091 3,901 3,901 11,522 7,973 58,120 86,437 382 0 1,049 1,406 1,260 6,162 10,259 96,696
Illinois 5,483 5,184 5,184 27,596 6,900 145,880 200,481 4,098 421 9,998 11,545 9,597 55,149 90,808 291,289
Indiana 3/ 3,482 4,828 4,828 21,895 19,410 98,324 152,701 1,533 540 4,661 5,031 4,439 30,270 46,474 199,175
Iowa 2,515 8,964 8,964 28,897 32,334 128,789 209,557 701 0 2,880 4,136 2,461 15,302 25,480 235,037
Kansas 2,623 6,984 6,984 45,780 18,500 174,896 257,482 1,048 755 2,652 3,507 2,911 17,657 28,530 286,012
Kentucky 2,449 6,898 6,898 12,407 17,907 92,332 135,509 1,227 260 2,748 2,410 1,957 18,576 27,178 162,687
Louisiana 2,163 2,564 2,564 9,443 6,358 68,053 92,044 1,667 213 3,823 4,856 4,813 20,719 36,091 128,135
Maine 1,249 1,608 1,608 6,448 4,442 24,534 40,320 279 75 375 546 1,102 3,942 6,319 46,639
Maryland 899 1,480 1,480 3,082 3,548 18,449 29,179 1,871 1,315 3,966 3,648 3,741 24,543 39,084 68,263
Massachusetts 417 390 390 2,262 1,549 10,767 16,218 2,793 1,319 4,494 7,806 5,804 37,333 59,549 75,767
Michigan 2,574 6,232 6,232 32,911 9,145 113,953 174,907 3,437 1,472 8,797 11,878 7,325 48,173 81,082 255,989
Minnesota 4/ 2,727 9,215 9,215 32,156 23,358 152,885 234,376 1,241 749 1,964 6,054 4,270 23,084 37,362 271,738
Mississippi 1,951 6,271 6,271 23,573 4,765 87,138 131,322 818 280 3,102 1,963 2,965 14,333 23,461 154,783
Missouri 3,212 8,854 8,854 33,267 12,507 153,795 220,033 2,192 1,506 3,582 3,806 4,138 27,370 42,594 262,627
Montana 4,518 5,510 5,510 14,049 17,695 95,063 142,868 247 0 568 520 627 4,333 6,295 149,163
Nebraska 1,711 6,258 6,258 22,953 17,612 119,268 176,221 315 90 1,652 1,748 952 8,873 13,630 189,851
Nevada 1,803 3,036 3,036 4,180 4,544 39,229 54,310 614 327 1,072 2,275 1,569 10,746 16,603 70,913
New Hampshire 626 806 806 2,202 2,305 15,386 22,273 368 231 537 1,065 1,018 6,771 9,990 32,263
New Jersey 354 687 687 1,953 849 10,574 15,081 2,495 2,181 5,725 7,735 5,619 45,057 68,812 83,893
New Mexico 3,386 5,530 5,530 7,853 6,289 88,328 115,426 714 10 2,832 1,612 3,116 10,031 18,315 133,741
New York 3,403 3,813 3,813 11,394 19,120 89,026 134,516 4,416 3,730 8,553 13,813 11,463 64,262 106,237 240,753
North Carolina 2,185 6,425 6,425 16,085 13,434 102,731 146,704 2,841 1,628 6,162 7,507 5,793 47,251 71,182 217,886
North Dakota 2,077 6,588 6,588 22,968 0 135,028 171,693 220 0 530 654 580 2,129 4,113 175,806
Ohio 3,261 5,774 5,774 22,855 13,293 114,471 165,119 4,648 2,028 7,793 10,601 10,957 64,619 100,646 265,765
Oklahoma 2,735 6,729 6,729 42,778 5,983 135,097 199,202 1,202 876 3,657 5,143 2,248 21,915 35,041 234,243
Oregon 2,257 6,285 6,285 16,660 14,861 60,438 105,343 854 235 2,386 2,595 3,795 17,440 27,305 132,648
Pennsylvania 4,339 5,099 5,099 14,500 14,512 108,701 156,505 3,067 2,233 8,322 8,695 10,768 63,149 96,234 252,739
Rhode Island 86 108 108 295 248 1,726 2,606 304 347 974 717 1,229 7,584 11,155 13,761
South Carolina 2,373 3,713 3,713 21,038 4,307 63,971 102,570 1,368 347 3,892 4,006 5,142 22,112 36,867 139,437
South Dakota 2,442 5,785 5,785 24,924 12,777 112,125 164,784 320 42 462 842 563 3,920 6,149 170,933
Tennessee 2,808 5,555 5,555 10,244 21,176 96,710 143,329 2,256 587 5,757 6,547 4,613 29,822 49,582 192,911
Texas 8,938 21,063 21,063 72,609 36,697 297,052 458,854 6,121 5,998 19,752 20,232 20,588 119,931 192,622 651,476
Utah 2,900 2,208 2,208 6,301 7,659 46,098 68,155 1,290 50 1,265 1,843 1,656 17,140 23,244 91,399
Vermont 1,119 726 726 4,022 1,813 17,486 26,635 161 53 242 307 434 1,779 2,976 29,611
Virginia 2,749 5,530 5,530 19,156 4,922 66,426 106,526 2,633 1,053 4,945 6,050 4,960 30,711 50,352 156,878
Washington 2,082 4,493 4,493 16,475 12,408 84,022 123,299 1,904 1,397 4,343 6,988 4,534 31,554 50,720 174,019
West Virginia 1,536 2,563 2,563 11,353 4,484 43,710 66,374 780 34 1,025 1,279 1,641 5,168 9,927 76,301
Wisconsin 1,993 8,096 8,096 25,552 13,309 129,140 187,830 1,219 1,236 5,862 5,809 4,666 29,623 48,415 236,245
Wyoming 3,266 4,009 4,009 5,567 15,729 21,093 52,110 389 12 653 364 1,014 3,269 5,701 57,811
U.S. Total 124,380 248,097 282,024 842,785 525,686 4,089,015 6,111,987 87,944 49,891 220,437 262,605 231,853 1,455,872 2,308,602 8,420,589
Puerto Rico 123 156 156 491 494 4,596 6,325 1,101 294 1,316 2,151 2,529 20,457 27,848 34,173
Grand Total 124,503 248,253 282,489 843,276 526,180 4,093,611 6,118,312 89,045 50,185 221,753 264,756 234,382 1,476,329 2,336,450 8,454,762
  • 1/ May see differences from prior years; starting in 1999, number of lanes is coded for all systems except rural minor collector and rural/urban local.
  • 2/ Rural minor collector and rural/urban local functional system lane miles estimated by FHWA assuming two as the number of lanes.
  • 3/ Excludes 788 miles of Federal owned roads.
  • 4/ Includes 274 miles of miscoded non-Interstate functional system length or rural/urban categorization or both.

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Rob Rozycki
Office of Highway Policy Information
202-366-5059
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Updated: 01/03/2012
 

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United States Department of Transportation - Federal Highway Administration