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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2022 / Table HM-15M - Highway Statistics 2022

Highway Statistics Series

Highway Statistics 2022


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FEDERAL - AID HIGHWAY LENGTH - 2022
  KILOMETERS BY SYSTEM (1)

January 12, 2024

Table HM-15M
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 918 697 1,615 3,238 2,080 5,318 4,156 2,777 6,933 26,247 10,031 36,278 30,403 12,809 43,212 79,305 36,216 115,521 158,733
Alaska 1,612 127 1,738 1,590 260 1,850 3,202 387 3,588 2,597 1,073 3,670 5,799 1,460 7,259 17,518 3,607 21,125 28,384
Arizona 1,474 406 1,881 1,936 1,353 3,289 3,410 1,760 5,170 9,052 13,325 22,378 12,463 15,085 27,548 56,673 35,687 92,360 119,908
Arkansas 716 519 1,236 3,118 1,093 4,211 3,835 1,612 5,447 23,967 6,903 30,870 27,802 8,515 36,317 103,947 19,201 123,149 159,465
California 1,946 2,005 3,951 6,614 12,887 19,501 8,561 14,892 23,452 29,777 38,135 67,911 38,337 53,026 91,364 88,728 112,975 201,703 293,067
Colorado 1,043 489 1,532 4,146 2,223 6,369 5,189 2,712 7,901 14,401 6,031 20,431 19,590 8,743 28,332 90,390 25,396 115,786 144,118
Connecticut 46 511 557 254 1,541 1,795 300 2,052 2,352 1,736 6,131 7,867 2,036 8,183 10,219 6,906 17,263 24,168 34,388
Delaware - 65 65 222 413 635 222 478 700 759 1,137 1,895 981 1,614 2,595 3,652 4,334 7,986 10,581
Dist. of Columbia - 19 19 - 199 199 - 218 218 - 513 513 - 731 731 - 1,715 1,715 2,446
Florida 1,154 1,252 2,406 4,450 7,332 11,782 5,604 8,584 14,188 10,055 20,274 30,329 15,659 28,858 44,517 42,914 111,832 154,747 199,264
Georgia 866 1,153 2,019 5,226 4,424 9,651 6,092 5,577 11,669 24,950 14,571 39,520 31,042 20,148 51,190 89,804 61,401 151,204 202,394
Hawaii - 88 88 129 515 644 129 604 732 768 1,036 1,804 896 1,640 2,536 1,780 2,964 4,744 7,280
Idaho 845 156 1,001 2,742 417 3,160 3,587 573 4,160 12,845 2,755 15,600 16,432 3,328 19,760 63,424 10,847 74,271 94,031
Illinois 2,007 1,510 3,517 3,880 5,082 8,962 5,887 6,592 12,479 26,436 16,848 43,284 32,323 23,440 55,763 122,489 56,728 179,217 234,980
Indiana 1,307 793 2,099 2,802 1,117 3,919 4,108 1,910 6,018 19,867 13,688 33,554 23,975 15,597 39,572 86,067 30,774 116,841 156,413
Iowa 984 283 1,267 5,513 1,513 7,025 6,497 1,796 8,293 29,215 4,855 34,070 35,712 6,651 42,363 128,451 14,212 142,663 185,026
Kansas 1,030 382 1,411 4,878 819 5,696 5,907 1,200 7,108 42,968 5,816 48,784 48,875 7,017 55,891 152,759 15,066 167,825 223,716
Kentucky 1,144 375 1,519 2,662 1,151 3,813 3,806 1,525 5,332 13,195 5,063 18,258 17,001 6,589 23,590 87,446 17,237 104,683 128,273
Louisiana 849 671 1,520 1,768 1,824 3,591 2,617 2,494 5,111 10,937 8,770 19,707 13,554 11,264 24,818 55,659 25,667 81,326 106,144
Maine 449 140 589 1,290 258 1,547 1,739 398 2,137 6,740 1,295 8,035 8,480 1,692 10,172 23,068 3,522 26,590 36,762
Maryland 229 541 769 631 2,101 2,732 859 2,642 3,501 3,244 6,454 9,698 4,103 9,096 13,199 17,309 21,911 39,221 52,420
Massachusetts 101 813 914 660 3,775 4,436 761 4,588 5,349 1,388 11,278 12,666 2,149 15,866 18,015 7,784 33,423 41,207 59,222
Michigan 905 1,088 1,993 4,001 4,399 8,401 4,906 5,488 10,394 34,205 14,440 48,645 39,111 19,928 59,039 96,031 41,330 137,361 196,400
Minnesota 946 524 1,470 5,619 1,377 6,996 6,566 1,900 8,466 35,989 10,579 46,568 42,555 12,479 55,034 149,197 26,255 175,451 230,485
Mississippi 931 408 1,339 2,918 1,598 4,516 3,849 2,006 5,855 25,210 4,362 29,572 29,058 6,368 35,426 74,846 14,839 89,685 125,112
Missouri 1,363 866 2,229 4,827 2,163 6,991 6,190 3,029 9,220 32,632 7,913 40,545 38,822 10,942 49,764 134,724 28,986 163,710 213,474
Montana 1,762 157 1,920 4,460 355 4,816 6,223 513 6,735 15,660 1,266 16,926 21,883 1,779 23,661 90,116 6,122 96,237 119,899
Nebraska 668 111 779 4,317 747 5,064 4,985 858 5,842 24,993 2,547 27,541 29,978 3,405 33,383 110,670 9,723 120,393 153,776
Nevada 735 260 995 2,522 682 3,205 3,257 943 4,200 4,722 3,447 8,168 7,979 4,389 12,368 51,146 12,685 63,831 76,199
New Hampshire 228 134 362 623 515 1,137 851 648 1,499 2,594 1,627 4,221 3,445 2,275 5,720 14,491 5,936 20,427 26,147
New Jersey 72 622 694 314 3,767 4,081 386 4,390 4,776 1,741 11,049 12,790 2,127 15,439 17,566 6,496 38,352 44,849 62,415
New Mexico 1,358 250 1,608 2,816 612 3,428 4,174 863 5,037 11,193 3,600 14,793 15,368 4,462 19,830 82,631 13,670 96,301 116,131
New York 1,296 1,507 2,803 3,689 6,526 10,215 4,985 8,033 13,018 13,652 18,044 31,695 18,637 26,076 44,713 84,806 54,629 139,435 184,148
North Carolina 958 1,286 2,244 3,507 3,402 6,909 4,465 4,688 9,153 16,755 12,239 28,994 21,219 16,928 38,147 84,983 51,138 136,120 174,267
North Dakota 820 99 919 4,741 329 5,070 5,562 427 5,989 23,620 1,142 24,761 29,181 1,569 30,750 108,397 3,144 111,541 142,292
Ohio 1,034 1,509 2,543 3,060 3,563 6,623 4,095 5,072 9,166 21,951 17,356 39,307 26,046 22,427 48,473 94,805 54,484 149,289 197,763
Oklahoma 1,045 456 1,501 3,738 1,108 4,846 4,783 1,564 6,347 38,093 7,511 45,604 42,876 9,075 51,951 111,966 21,850 133,816 185,767
Oregon 797 377 1,174 4,276 1,504 5,780 5,073 1,881 6,954 16,712 6,321 23,032 21,785 8,201 29,987 81,195 16,192 97,386 127,373
Pennsylvania 1,716 1,283 2,999 3,070 5,486 8,556 4,786 6,768 11,554 18,766 16,044 34,810 23,552 22,812 46,364 94,643 55,148 149,790 196,155
Rhode Island 29 84 113 173 681 854 202 765 967 391 1,482 1,873 593 2,247 2,840 1,944 5,726 7,670 10,510
South Carolina 879 490 1,369 2,550 1,878 4,428 3,430 2,368 5,797 20,919 7,493 28,412 24,348 9,861 34,209 60,597 29,448 90,044 124,254
South Dakota 951 141 1,092 4,650 252 4,902 5,601 393 5,994 24,808 1,267 26,074 30,409 1,660 32,069 95,842 3,644 99,485 131,554
Tennessee 1,037 896 1,934 2,805 3,334 6,139 3,842 4,231 8,073 12,883 9,973 22,857 16,725 14,204 30,929 86,847 37,374 124,221 155,150
Texas 3,239 2,355 5,594 13,564 10,607 24,171 16,803 12,962 29,765 73,811 42,476 116,287 90,614 55,438 146,051 244,201 130,152 374,353 520,404
Utah 1,102 408 1,510 1,909 1,134 3,044 3,011 1,542 4,553 7,325 3,879 11,205 10,337 5,422 15,758 48,010 15,103 63,113 78,871
Vermont 412 103 515 495 143 638 907 246 1,153 4,410 777 5,187 5,317 1,024 6,341 15,200 1,350 16,549 22,890
Virginia 951 849 1,801 2,846 2,827 5,673 3,797 3,676 7,474 17,721 8,965 26,686 21,519 12,641 34,160 56,747 30,611 87,358 121,518
Washington 690 538 1,229 3,098 3,003 6,100 3,788 3,541 7,329 16,344 9,351 25,696 20,132 12,893 33,025 68,104 26,826 94,930 127,955
West Virginia 515 380 895 1,640 667 2,307 2,155 1,047 3,202 11,103 2,718 13,821 13,258 3,764 17,023 38,486 7,003 45,489 62,512
Wisconsin 824 590 1,414 5,078 3,122 8,200 5,902 3,712 9,614 27,061 9,781 36,841 32,962 13,492 46,455 114,461 25,389 139,850 186,305
Wyoming 1,299 170 1,469 3,168 290 3,458 4,467 460 4,927 6,402 1,499 7,902 10,869 1,959 12,828 33,021 2,544 35,565 48,394
U.S. Total 47,286 30,936 78,222 158,222 118,447 276,669 205,508 149,384 354,891 872,810 435,128 1,307,938 1,078,318 584,512 1,662,829 3,660,673 1,431,633 5,092,305 6,755,135
Puerto Rico 87 372 459 109 661 769 196 1,032 1,228 951 3,296 4,247 1,147 4,328 5,475 6,399 20,276 26,674 32,150
Grand Total 47,373 31,308 78,681 158,330 119,108 277,438 205,704 150,416 356,120 873,761 438,424 1,312,185 1,079,465 588,840 1,668,305 3,667,071 1,451,908 5,118,980 6,787,284

(1) Due to conversion from English to metric units and to rounding, individual cell values may not agree with corresponding mileage table cell values.

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