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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2024 / Table HM-15 - Highway Statistics 2024

Highway Statistics Series

Highway Statistics 2024


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FEDERAL - AID HIGHWAY LENGTH - 2024
  MILES BY SYSTEM

October 17, 2025

Table HM-15
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 569 435 1,004 2,016 1,279 3,295 2,585 1,714 4,299 16,325 6,300 22,626 18,910 8,014 26,924 49,053 23,047 72,100 99,025
Alaska 998 82 1,080 985 165 1,150 1,983 247 2,230 1,583 708 2,291 3,566 955 4,522 10,715 2,417 13,132 17,654
Arizona 933 235 1,169 1,216 827 2,043 2,149 1,062 3,211 5,738 8,047 13,785 7,887 9,109 16,996 36,375 22,707 59,082 76,079
Arkansas 430 338 768 1,900 730 2,630 2,330 1,068 3,398 14,689 4,520 19,209 17,019 5,588 22,607 63,571 13,022 76,593 99,200
California 1,200 1,256 2,455 4,117 8,008 12,125 5,317 9,264 14,580 18,005 23,502 41,507 23,322 32,765 56,087 51,538 69,982 121,520 177,607
Colorado 619 333 952 2,527 1,426 3,953 3,146 1,759 4,905 8,803 3,974 12,777 11,949 5,733 17,682 55,117 17,156 72,273 89,955
Connecticut 30 317 346 156 960 1,115 185 1,276 1,462 1,064 3,879 4,943 1,249 5,156 6,405 4,260 10,807 15,067 21,472
Delaware - 41 41 156 263 420 156 304 460 465 696 1,160 621 999 1,621 2,311 2,764 5,074 6,695
District of Columbia - 12 12 - 123 123 - 135 135 - 315 315 - 450 450 - 1,069 1,069 1,519
Florida 661 834 1,495 2,674 4,678 7,352 3,336 5,511 8,847 5,990 14,010 19,999 9,325 19,521 28,846 32,667 63,068 95,735 124,581
Georgia 649 598 1,247 3,689 2,315 6,004 4,338 2,913 7,251 16,676 7,608 24,284 21,014 10,521 31,535 60,714 35,058 95,773 127,308
Hawaii 6 49 55 70 330 400 76 379 455 468 653 1,121 543 1,033 1,576 839 2,213 3,052 4,628
Idaho 517 95 612 1,719 266 1,984 2,236 361 2,596 7,272 1,866 9,138 9,508 2,227 11,735 42,142 5,363 47,505 59,240
Illinois 1,228 958 2,185 2,450 3,118 5,568 3,678 4,076 7,754 16,399 10,507 26,905 20,077 14,582 34,659 76,269 35,107 111,375 146,034
Indiana 828 492 1,320 1,770 655 2,426 2,598 1,148 3,746 12,703 8,355 21,058 15,301 9,503 24,804 53,468 19,129 72,597 97,401
Iowa 597 192 789 3,365 999 4,365 3,962 1,191 5,153 18,096 3,181 21,277 22,058 4,372 26,430 79,433 9,200 88,633 115,063
Kansas 624 253 877 2,998 527 3,525 3,622 780 4,402 26,622 3,803 30,424 30,244 4,583 34,826 94,688 9,478 104,166 138,993
Kentucky 743 255 998 1,559 758 2,317 2,302 1,012 3,314 8,101 3,352 11,453 10,403 4,365 14,768 53,826 11,084 64,910 79,678
Louisiana 528 417 944 1,113 1,130 2,243 1,641 1,547 3,188 6,797 5,449 12,246 8,438 6,996 15,433 34,817 16,265 51,082 66,515
Maine 257 110 366 787 161 949 1,044 271 1,315 4,120 904 5,024 5,164 1,175 6,339 14,137 2,386 16,523 22,862
Maryland 136 358 494 462 1,201 1,663 598 1,559 2,157 2,079 3,946 6,026 2,677 5,505 8,182 11,092 13,394 24,487 32,669
Massachusetts 53 513 567 402 2,369 2,770 455 2,882 3,337 835 7,103 7,938 1,290 9,985 11,275 4,662 20,994 25,656 36,931
Michigan 544 695 1,239 2,441 2,779 5,219 2,984 3,474 6,458 20,995 9,265 30,260 23,980 12,739 36,718 59,012 26,325 85,338 122,056
Minnesota 569 344 914 3,419 927 4,347 3,989 1,272 5,260 22,122 6,958 29,080 26,111 8,230 34,341 91,381 16,766 108,147 142,488
Mississippi 567 264 832 1,824 994 2,818 2,392 1,258 3,650 15,619 2,824 18,443 18,011 4,082 22,093 46,762 9,544 56,305 78,398
Missouri 841 544 1,385 2,958 1,386 4,344 3,799 1,929 5,729 20,237 5,050 25,287 24,036 6,980 31,016 83,308 18,669 101,977 132,993
Montana 1,105 87 1,193 2,783 210 2,993 3,888 297 4,185 9,764 748 10,513 13,653 1,046 14,698 56,370 3,636 60,007 74,705
Nebraska 410 73 484 2,679 479 3,157 3,089 552 3,641 15,517 1,675 17,191 18,606 2,227 20,832 68,317 6,145 74,463 95,295
Nevada 456 179 635 1,566 403 1,969 2,022 583 2,604 2,929 2,110 5,039 4,951 2,692 7,643 31,954 7,967 39,920 47,564
New Hampshire 129 96 225 382 328 711 511 425 936 1,636 1,053 2,688 2,147 1,478 3,624 9,009 3,636 12,644 16,269
New Jersey 45 387 432 238 2,298 2,536 283 2,685 2,968 1,274 6,661 7,935 1,557 9,345 10,902 4,666 23,210 27,876 38,778
New Mexico 825 174 999 1,695 436 2,130 2,520 610 3,130 6,854 2,367 9,221 9,374 2,977 12,351 51,053 8,838 59,891 72,243
New York 823 963 1,786 2,289 4,059 6,348 3,112 5,022 8,134 8,770 11,440 20,210 11,882 16,462 28,344 53,561 34,415 87,976 116,320
North Carolina 808 625 1,432 2,609 1,760 4,369 3,416 2,385 5,801 11,589 6,164 17,753 15,006 8,549 23,554 54,382 30,891 85,273 108,827
North Dakota 505 66 571 2,942 209 3,151 3,447 275 3,721 14,683 751 15,433 18,129 1,026 19,155 67,476 1,934 69,410 88,565
Ohio 624 958 1,581 1,863 2,256 4,119 2,486 3,214 5,700 13,624 10,923 24,548 16,111 14,137 30,248 58,644 34,078 92,722 122,970
Oklahoma 665 318 982 2,305 656 2,961 2,969 974 3,943 23,673 4,669 28,343 26,643 5,643 32,286 69,626 13,649 83,275 115,560
Oregon 509 220 730 2,673 919 3,592 3,182 1,139 4,322 10,589 3,848 14,437 13,771 4,987 18,758 50,214 10,080 60,294 79,052
Pennsylvania 1,156 708 1,865 2,180 3,141 5,321 3,336 3,849 7,185 12,884 8,879 21,764 16,220 12,729 28,949 60,252 32,229 92,481 121,430
Rhode Island 15 55 70 96 412 508 111 467 578 206 994 1,200 318 1,461 1,778 1,147 3,634 4,781 6,559
South Carolina 463 388 851 1,439 1,313 2,752 1,901 1,701 3,602 12,155 5,553 17,708 14,056 7,254 21,310 35,880 21,242 57,122 78,432
South Dakota 591 88 679 2,890 157 3,046 3,481 244 3,725 15,413 788 16,201 18,893 1,032 19,926 59,566 2,334 61,899 81,825
Tennessee 680 522 1,202 1,909 1,899 3,808 2,589 2,421 5,010 8,216 5,915 14,132 10,805 8,337 19,142 54,660 22,143 76,803 95,945
Texas 1,967 1,511 3,478 8,397 6,641 15,039 10,365 8,152 18,517 45,361 26,883 72,245 55,726 35,036 90,761 152,057 83,209 235,266 326,028
Utah 680 263 943 1,178 732 1,909 1,858 994 2,852 4,547 2,425 6,972 6,405 3,419 9,824 29,934 9,747 39,681 49,505
Vermont 268 52 320 314 84 397 582 136 717 2,778 448 3,227 3,360 584 3,944 9,465 820 10,285 14,229
Virginia 502 617 1,119 1,643 1,876 3,519 2,146 2,493 4,638 10,752 6,218 16,970 12,897 8,711 21,608 34,656 19,385 54,041 75,649
Washington 407 356 764 1,907 1,886 3,792 2,314 2,242 4,556 10,105 5,958 16,064 12,419 8,200 20,620 40,720 17,570 58,289 78,909
West Virginia 371 185 556 1,089 347 1,436 1,460 532 1,992 7,225 1,345 8,569 8,684 1,876 10,561 24,679 3,898 28,577 39,138
Wisconsin 525 353 878 3,307 1,794 5,101 3,832 2,147 5,979 17,196 5,743 22,939 21,029 7,890 28,919 71,948 15,060 87,008 115,926
Wyoming 807 106 913 1,968 180 2,148 2,775 286 3,061 3,972 932 4,904 6,747 1,218 7,965 22,138 1,587 23,725 31,689
U.S. Total 29,462 19,368 48,831 99,112 72,847 171,959 128,574 92,216 220,790 543,515 271,268 814,784 672,089 363,484 1,035,573 2,284,529 888,352 3,172,881 4,208,454
Puerto Rico 62 224 285 72 421 493 134 645 779 685 1,957 2,643 819 2,602 3,421 4,437 12,117 16,554 19,976
Grand Total 29,524 19,592 49,116 99,184 73,268 172,452 128,708 92,861 221,568 544,200 273,226 817,426 672,908 366,086 1,038,995 2,288,966 900,469 3,189,435 4,228,430

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