U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000

Skip to content
Facebook iconYouTube iconTwitter iconFlickr iconLinkedInInstagram

Policy and Governmental Affairs
Office of Highway Policy Information

FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2023 / Table HM-15M - Highway Statistics 2023

Highway Statistics Series

Highway Statistics 2023


Printable Excel Version [75 KB]
Printable PDF Version [127 KB]

FEDERAL - AID HIGHWAY LENGTH - 2023
  KILOMETERS BY SYSTEM (1)

November, 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 3,233 2,074 5,307 4,151 2,771 6,922 26,276 10,096 36,372 30,427 12,868 43,294 82,579 35,421 117,999 161,294
Alaska 1,612 127 1,738 1,590 258 1,848 3,202 385 3,586 2,597 1,076 3,673 5,799 1,460 7,259 17,519 3,609 21,128 28,387
Arizona 1,472 402 1,874 1,930 1,354 3,284 3,402 1,755 5,158 9,040 13,215 22,255 12,442 14,970 27,412 57,730 35,919 93,649 121,061
Arkansas 716 519 1,236 3,125 1,103 4,228 3,841 1,623 5,464 23,962 6,904 30,866 27,803 8,527 36,330 104,086 19,174 123,260 159,590
California 1,715 2,007 3,722 6,589 12,823 19,412 8,304 14,830 23,134 29,253 37,771 67,024 37,557 52,601 90,157 84,468 110,766 195,233 285,391
Colorado 1,043 489 1,532 4,146 2,223 6,369 5,189 2,712 7,901 14,401 6,031 20,433 19,590 8,744 28,334 90,591 25,569 116,160 144,494
Connecticut 47 510 557 250 1,544 1,795 298 2,054 2,352 1,708 6,241 7,949 2,006 8,295 10,301 6,869 17,395 24,264 34,565
Delaware - 65 65 222 414 636 222 480 702 759 1,136 1,895 981 1,616 2,597 3,618 4,513 8,131 10,727
Dist. of Columbia - 19 19 - 196 196 - 216 216 - 513 513 - 728 728 - 1,717 1,717 2,445
Florida 1,154 1,252 2,406 4,476 7,355 11,831 5,630 8,607 14,237 10,063 20,276 30,339 15,693 28,883 44,576 43,014 112,467 155,481 200,058
Georgia 866 1,141 2,007 5,227 4,436 9,663 6,094 5,577 11,670 24,955 14,580 39,535 31,048 20,157 51,205 91,733 61,897 153,630 204,835
Hawaii - 88 88 129 515 644 129 604 732 768 1,036 1,804 896 1,640 2,536 1,775 2,966 4,741 7,277
Idaho 839 149 987 2,734 407 3,141 3,572 556 4,128 12,033 2,741 14,774 15,605 3,297 18,902 66,498 10,936 77,434 96,336
Illinois 1,976 1,541 3,517 3,943 5,016 8,959 5,919 6,557 12,476 26,447 16,879 43,325 32,366 23,436 55,801 122,679 56,516 179,195 234,996
Indiana 1,211 795 2,006 2,802 1,105 3,907 4,013 1,900 5,913 19,862 13,629 33,491 23,875 15,529 39,404 85,838 30,930 116,768 156,171
Iowa 984 283 1,267 5,511 1,509 7,020 6,494 1,792 8,286 29,216 4,869 34,085 35,711 6,661 42,371 128,453 14,278 142,732 185,103
Kansas 1,030 382 1,411 4,881 804 5,685 5,911 1,185 7,096 43,006 5,807 48,813 48,916 6,992 55,908 152,780 14,971 167,750 223,659
Kentucky 1,145 374 1,519 2,654 1,162 3,816 3,798 1,536 5,335 13,196 5,066 18,262 16,995 6,602 23,597 87,385 17,245 104,630 128,227
Louisiana 849 671 1,520 1,769 1,818 3,587 2,618 2,489 5,107 10,938 8,769 19,707 13,556 11,258 24,814 55,945 25,927 81,873 106,687
Maine 449 140 589 1,290 258 1,547 1,739 398 2,137 6,740 1,294 8,035 8,479 1,692 10,172 23,064 3,534 26,599 36,770
Maryland 229 541 769 631 2,099 2,729 859 2,640 3,499 3,245 6,467 9,712 4,104 9,107 13,211 17,258 22,054 39,312 52,522
Massachusetts 101 814 915 689 3,775 4,465 790 4,589 5,380 1,390 11,352 12,742 2,180 15,942 18,122 7,785 33,468 41,253 59,375
Michigan 905 1,088 1,993 4,000 4,398 8,398 4,905 5,487 10,392 34,206 14,436 48,643 39,111 19,923 59,034 96,017 41,352 137,369 196,403
Minnesota 923 547 1,470 5,515 1,481 6,996 6,438 2,028 8,466 35,565 11,204 46,769 42,003 13,232 55,235 148,028 27,044 175,072 230,307
Mississippi 930 409 1,339 2,932 1,603 4,535 3,862 2,012 5,874 25,221 4,405 29,626 29,083 6,417 35,500 75,554 15,102 90,656 126,156
Missouri 1,354 875 2,229 4,761 2,230 6,991 6,115 3,105 9,220 32,561 8,045 40,605 38,676 11,150 49,825 134,081 29,958 164,039 213,864
Montana 1,779 141 1,920 4,484 332 4,816 6,263 472 6,736 15,712 1,192 16,904 21,975 1,665 23,640 90,788 5,713 96,501 120,140
Nebraska 668 111 779 4,284 744 5,028 4,952 855 5,807 24,996 2,493 27,489 29,947 3,348 33,295 110,703 9,808 120,511 153,807
Nevada 735 260 995 2,522 673 3,195 3,257 933 4,190 4,723 3,460 8,183 7,980 4,393 12,374 51,165 12,766 63,930 76,304
New Hampshire 207 155 362 615 522 1,137 822 677 1,499 2,633 1,702 4,334 3,455 2,378 5,833 14,489 5,849 20,338 26,171
New Jersey 72 622 695 309 3,762 4,071 382 4,384 4,766 1,736 10,978 12,714 2,117 15,362 17,479 6,496 38,354 44,850 62,329
New Mexico 1,358 250 1,608 2,816 613 3,429 4,174 863 5,037 11,194 3,604 14,798 15,368 4,467 19,836 82,690 13,806 96,496 116,332
New York 1,296 1,493 2,789 3,655 6,473 10,128 4,950 7,966 12,916 13,558 17,998 31,556 18,509 25,964 44,472 84,806 54,629 139,434 183,906
North Carolina 1,300 1,005 2,305 4,194 2,727 6,921 5,494 3,733 9,226 18,750 9,902 28,652 24,243 13,635 37,878 88,943 47,934 136,877 174,755
North Dakota 820 99 919 4,741 329 5,070 5,562 427 5,989 23,626 1,148 24,774 29,188 1,575 30,763 108,429 3,150 111,579 142,342
Ohio 1,034 1,510 2,544 3,062 3,569 6,630 4,096 5,079 9,175 22,007 17,380 39,387 26,103 22,459 48,562 94,632 54,555 149,188 197,749
Oklahoma 1,045 456 1,501 3,717 1,088 4,805 4,762 1,544 6,306 38,092 7,513 45,605 42,854 9,058 51,912 111,964 21,886 133,849 185,761
Oregon 797 377 1,174 4,277 1,503 5,780 5,074 1,880 6,954 16,721 6,322 23,043 21,795 8,203 29,997 81,211 16,198 97,409 127,406
Pennsylvania 1,716 1,283 2,999 3,128 5,509 8,637 4,844 6,793 11,637 18,768 16,029 34,796 23,612 22,822 46,433 94,614 55,174 149,788 196,221
Rhode Island 29 84 113 173 679 851 201 763 964 391 1,480 1,871 592 2,243 2,835 1,916 5,652 7,568 10,403
South Carolina 745 624 1,369 2,315 2,112 4,428 3,060 2,736 5,796 19,555 8,935 28,491 22,616 11,671 34,287 55,755 33,442 89,196 123,483
South Dakota 951 141 1,092 4,650 252 4,902 5,601 393 5,995 24,805 1,266 26,070 30,406 1,659 32,065 95,835 3,683 99,517 131,582
Tennessee 1,037 896 1,934 2,760 3,291 6,051 3,797 4,187 7,985 12,844 9,923 22,767 16,641 14,110 30,752 86,853 37,380 124,233 154,985
Texas 3,166 2,431 5,596 13,514 10,657 24,171 16,680 13,088 29,767 72,960 43,176 116,136 89,639 56,264 145,903 243,572 128,915 372,487 518,390
Utah 1,102 408 1,510 1,905 1,134 3,039 3,007 1,542 4,549 7,195 3,865 11,060 10,202 5,407 15,609 47,999 15,576 63,575 79,184
Vermont 412 103 515 495 143 638 907 246 1,153 4,410 777 5,187 5,317 1,024 6,341 15,192 1,395 16,588 22,928
Virginia 816 982 1,799 2,672 3,001 5,673 3,489 3,983 7,472 17,342 9,524 26,866 20,831 13,507 34,338 55,819 31,658 87,477 121,815
Washington 655 574 1,229 3,068 3,032 6,100 3,724 3,605 7,329 16,261 9,582 25,843 19,985 13,187 33,172 67,596 27,241 94,837 128,010
West Virginia 515 380 895 1,647 657 2,305 2,162 1,038 3,200 11,107 2,717 13,824 13,269 3,755 17,023 38,477 7,002 45,479 62,503
Wisconsin 824 590 1,414 5,080 3,125 8,205 5,903 3,715 9,619 27,078 9,776 36,854 32,981 13,491 46,472 114,517 25,497 140,014 186,486
Wyoming 1,299 170 1,469 3,167 290 3,457 4,466 460 4,926 6,402 1,500 7,902 10,869 1,960 12,828 32,904 2,544 35,448 48,276
U.S. Total 46,846 31,070 77,916 158,278 118,179 276,457 205,124 149,249 354,372 870,273 436,080 1,306,353 1,075,397 585,329 1,660,726 3,662,712 1,434,534 5,097,246 6,757,971
Puerto Rico 87 371 458 109 650 759 196 1,021 1,217 951 3,286 4,237 1,147 4,308 5,454 6,398 20,276 26,674 32,129
Grand Total 46,933 31,441 78,374 158,386 118,829 277,216 205,320 150,270 355,590 871,224 439,367 1,310,590 1,076,543 589,637 1,666,180 3,669,110 1,454,810 5,123,920 6,790,100

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

Return to top

Page last modified on March 7, 2025
Privacy Policy | Freedom of Information Act (FOIA) | Accessibility | Web Policies & Notices | No Fear Act | Report Waste, Fraud and Abuse | U.S. DOT Home | USA.gov | WhiteHouse.gov

Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000