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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2021 / Table HM-48 - Highway Statistics 2021

Highway Statistics Series

Highway Statistics 2021


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Federal-Aid Highway Lane - Length - 2021
    Lane - Miles by System (1)

February 27, 2023

Table HM-48
STATE NATIONAL HIGHWAY SYSTEM OTHER FEDERAL-AID HIGHWAYS ALL FEDERAL-AID HIGHWAYS ALL NON-FEDERAL-AID HIGHWAYS TOTAL
INTERSTATE OTHER TOTAL
RURAL URBAN TOTAL RURAL URBAN TOTAL RURAL URBAN TOTAL RURAL URBAN TOTAL RURAL URBAN TOTAL RURAL URBAN TOTAL
Alabama 2,434 2,269 4,704 6,030 4,875 10,905 8,464 7,145 15,609 33,090 14,263 47,352 41,554 21,407 62,961 102,624 44,018 146,642 209,603
Alaska 2,057 320 2,377 1,987 549 2,536 4,044 869 4,913 3,236 1,418 4,654 7,280 2,286 9,567 21,931 4,430 26,360 35,927
Arizona 3,722 1,474 5,195 3,466 4,469 7,935 7,188 5,943 13,131 11,534 22,391 33,924 18,722 28,333 47,055 70,878 44,495 115,373 162,428
Arkansas 1,980 1,334 3,314 5,486 2,474 7,961 7,466 3,809 11,275 30,085 9,475 39,559 37,551 13,283 50,834 129,609 23,915 153,524 204,358
California 5,475 9,826 15,302 11,080 35,399 46,480 16,555 45,226 61,781 37,824 59,787 97,610 54,379 105,012 159,391 102,263 138,563 240,827 400,218
Colorado 2,628 1,566 4,194 5,858 5,548 11,406 8,486 7,114 15,600 17,985 9,053 27,038 26,471 16,167 42,638 112,197 31,365 143,562 186,199
Connecticut 150 1,733 1,883 396 2,883 3,280 546 4,616 5,162 2,162 8,111 10,274 2,708 12,728 15,436 8,581 21,450 30,031 45,467
Delaware - 257 257 525 971 1,496 525 1,228 1,753 971 1,578 2,549 1,496 2,806 4,302 4,519 5,343 9,862 14,164
District of Columbia - 73 73 - 508 508 - 580 580 - 750 750 - 1,330 1,330 - 2,130 2,130 3,460
Florida 3,590 5,104 8,694 8,199 20,704 28,903 11,789 25,808 37,597 12,792 34,494 47,287 24,582 60,302 84,884 53,367 138,590 191,957 276,841
Georgia 2,583 4,457 7,040 9,940 10,170 20,111 12,523 14,627 27,150 31,600 21,060 52,660 44,123 35,687 79,810 111,571 76,221 187,792 267,603
Hawaii - 322 322 161 1,018 1,179 161 1,340 1,501 955 1,498 2,454 1,116 2,839 3,954 2,213 3,670 5,882 9,837
Idaho 2,083 453 2,536 3,959 798 4,758 6,043 1,251 7,293 15,023 3,491 18,514 21,065 4,742 25,807 71,459 13,307 84,766 110,573
Illinois 5,049 4,816 9,865 5,477 11,023 16,500 10,526 15,839 26,365 32,927 24,756 57,683 43,453 40,595 84,048 152,250 70,505 222,755 306,803
Indiana 3,204 2,463 5,666 4,889 2,457 7,346 8,092 4,920 13,012 24,729 19,934 44,663 32,821 24,853 57,675 103,064 43,742 146,806 204,481
Iowa 2,448 880 3,328 8,992 3,172 12,164 11,440 4,052 15,492 36,625 6,774 43,399 48,065 10,825 58,890 159,584 17,497 177,081 235,971
Kansas 2,581 1,131 3,713 7,082 1,822 8,904 9,664 2,954 12,617 53,489 9,153 62,642 63,153 12,106 75,260 190,204 18,781 208,985 284,244
Kentucky 3,349 1,301 4,650 5,165 2,728 7,893 8,515 4,029 12,543 16,667 7,242 23,909 25,182 11,270 36,452 108,813 21,702 130,515 166,967
Louisiana 2,169 1,838 4,007 3,604 3,982 7,586 5,773 5,820 11,593 13,786 11,989 25,775 19,559 17,809 37,368 68,302 32,771 101,073 138,441
Maine (2) 1,179 374 1,553 1,637 442 2,079 2,816 816 3,632 8,437 1,708 10,146 11,253 2,524 13,777 28,626 4,371 32,998 46,775
Maryland 673 2,145 2,818 1,213 5,434 6,648 1,886 7,579 9,465 4,071 9,256 13,327 5,957 16,835 22,792 21,789 26,825 48,614 71,406
Massachusetts 271 2,920 3,191 904 6,383 7,287 1,175 9,304 10,479 1,730 14,468 16,198 2,905 23,772 26,677 9,664 41,495 51,158 77,835
Michigan 2,355 3,673 6,028 5,922 10,496 16,419 8,278 14,170 22,447 42,744 20,270 63,014 51,022 34,439 85,461 119,372 51,341 170,713 256,175
Minnesota 2,358 1,733 4,091 8,843 3,177 12,020 11,201 4,910 16,111 44,735 15,564 60,299 55,936 20,474 76,411 185,057 32,320 217,377 293,788
Mississippi 2,326 1,156 3,483 6,610 3,468 10,077 8,936 4,624 13,560 31,615 5,991 37,606 40,551 10,615 51,166 92,753 18,250 111,003 162,169
Missouri 3,465 3,121 6,586 8,868 5,484 14,352 12,333 8,605 20,938 41,056 12,913 53,969 53,389 21,518 74,907 167,639 36,032 203,672 278,579
Montana 4,379 392 4,771 5,967 720 6,687 10,346 1,112 11,458 19,418 1,664 21,082 29,764 2,776 32,540 111,307 6,430 117,737 150,277
Nebraska 1,714 403 2,117 6,226 1,796 8,022 7,941 2,199 10,140 31,117 3,679 34,796 39,057 5,878 44,935 137,379 11,935 149,314 194,249
Nevada 1,879 848 2,727 3,507 1,902 5,409 5,386 2,750 8,136 5,969 6,666 12,635 11,354 9,417 20,771 63,508 15,475 78,984 99,755
New Hampshire 571 488 1,060 829 952 1,781 1,401 1,440 2,841 3,246 2,114 5,360 4,647 3,555 8,201 17,977 7,369 25,347 33,548
New Jersey 277 2,707 2,984 555 8,706 9,261 832 11,413 12,245 2,198 14,604 16,802 3,031 26,016 29,047 8,072 47,661 55,733 84,780
New Mexico 3,411 779 4,190 5,643 1,570 7,213 9,054 2,349 11,403 14,255 5,615 19,870 23,309 7,964 31,273 102,708 16,992 119,700 150,973
New York 3,292 4,788 8,080 5,240 13,534 18,774 8,532 18,322 26,854 17,180 24,002 41,182 25,712 42,324 68,035 105,387 67,774 173,161 241,196
North Carolina 2,331 4,218 6,549 7,082 8,132 15,213 9,413 12,350 21,762 21,316 18,385 39,701 30,729 30,734 61,463 105,518 63,186 168,704 230,167
North Dakota 2,039 263 2,302 6,904 690 7,594 8,943 953 9,897 29,353 1,379 30,732 38,296 2,332 40,628 134,724 3,998 138,723 179,351
Ohio 3,047 5,378 8,425 5,594 7,911 13,505 8,641 13,289 21,930 27,688 27,134 54,823 36,329 40,423 76,752 117,066 68,255 185,320 262,073
Oklahoma 2,638 1,398 4,036 6,944 2,661 9,605 9,582 4,059 13,641 48,152 12,296 60,449 57,735 16,356 74,090 139,055 27,021 166,076 240,166
Oregon 2,024 1,116 3,140 5,907 3,040 8,947 7,930 4,156 12,086 20,904 8,336 29,240 28,834 12,492 41,326 101,478 20,053 121,531 162,857
Pennsylvania 4,355 3,588 7,943 5,093 10,548 15,641 9,448 14,136 23,584 23,607 20,727 44,334 33,055 34,863 67,918 115,500 68,697 184,197 252,115
Rhode Island 71 307 378 252 1,226 1,478 324 1,533 1,856 504 1,855 2,359 827 3,388 4,216 1,987 6,535 8,522 12,737
South Carolina 2,240 1,626 3,866 4,824 4,576 9,401 7,064 6,202 13,267 26,434 10,983 37,417 33,499 17,185 50,684 79,271 36,613 115,884 166,568
South Dakota 2,367 396 2,763 6,536 555 7,091 8,903 933 9,836 30,869 1,826 32,695 39,772 2,759 42,531 118,247 4,490 122,737 165,268
Tennessee 2,640 2,990 5,630 5,435 7,841 13,275 8,075 10,830 18,905 16,498 14,627 31,125 24,573 25,458 50,030 107,913 46,298 154,211 204,241
Texas 8,350 9,161 17,510 25,964 28,806 54,770 34,314 37,966 72,280 94,293 69,363 163,656 128,607 107,330 235,936 302,697 160,206 462,903 698,839
Utah 2,759 1,669 4,428 2,666 2,738 5,403 5,424 4,407 9,831 9,144 5,427 14,570 14,568 9,834 24,402 59,698 18,572 78,270 102,672
Vermont 1,024 257 1,281 653 236 889 1,676 493 2,170 5,494 983 6,476 7,170 1,476 8,646 18,889 1,727 20,616 29,261
Virginia 2,504 3,087 5,591 6,335 7,308 13,643 8,839 10,395 19,234 22,667 14,007 36,674 31,506 24,402 55,908 70,627 38,235 108,862 164,769
Washington 1,924 2,104 4,028 4,242 6,484 10,726 6,166 8,588 14,754 20,338 12,187 32,525 26,504 20,775 47,279 84,576 33,244 117,820 165,099
West Virginia 1,309 1,022 2,332 2,681 1,317 3,998 3,991 2,339 6,330 13,830 3,451 17,281 17,820 5,791 23,611 47,823 8,701 56,524 80,135
Wisconsin 2,221 1,847 4,068 8,053 6,558 14,611 10,274 8,405 18,679 33,692 13,459 47,151 43,967 21,864 65,830 142,190 31,498 173,688 239,518
Wyoming 3,228 423 3,651 4,107 583 4,690 7,335 1,006 8,341 7,921 2,153 10,073 15,256 3,158 18,414 40,946 3,228 44,174 62,588
U.S. Total 120,726 107,992 228,718 263,532 280,827 544,359 384,258 388,801 773,060 1,095,954 644,307 1,740,261 1,480,213 1,033,108 2,513,320 4,532,873 1,777,322 6,310,195 8,823,515
Puerto Rico 213 1,078 1,291 184 1,532 1,716 397 2,609 3,006 1,177 4,269 5,446 1,574 6,879 8,452 7,946 25,175 33,121 41,574
Grand Total 120,940 109,070 230,009 263,716 282,359 546,075 384,655 391,411 776,066 1,097,131 648,576 1,745,707 1,481,786 1,039,987 2,521,773 4,540,819 1,802,497 6,343,316 8,865,089

(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. Rural minor collector and rural/urban local functional system lane-miles estimated by FHWA assuming two as the number of lanes.
Please note that due to data review and production issues with the 2021 HPMS data, some anomalous and/or missing data may exist.
(2) 2020 data.

 

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