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 / 2020 / Table HM-15 - Highway Statistics 2020

Highway Statistics Series

Highway Statistics 2020


Printable Excel Version [71 KB]
Printable PDF Version [115 KB]

FEDERAL - AID HIGHWAY LENGTH - 2020
  MILES BY SYSTEM

October 26, 2021

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 571 433 1,004 2,002 1,290 3,292 2,573 1,723 4,296 16,254 6,243 22,497 18,827 7,966 26,793 51,312 22,066 73,378 100,171
Alaska 1,002 79 1,080 988 161 1,149 1,990 240 2,230 1,614 667 2,281 3,604 907 4,511 10,913 2,258 13,170 17,681
Arizona 916 252 1,169 1,203 840 2,043 2,119 1,093 3,212 5,608 8,284 13,892 7,727 9,377 17,104 32,663 17,201 49,864 66,968
Arkansas 439 310 749 1,938 679 2,617 2,377 989 3,366 14,895 4,309 19,204 17,271 5,298 22,569 64,748 11,929 76,677 99,246
California 1,209 1,247 2,456 3,988 7,956 11,944 5,198 9,203 14,400 18,431 23,746 42,177 23,629 32,948 56,577 49,340 69,645 118,985 175,562
Colorado 648 304 952 2,576 1,380 3,956 3,224 1,683 4,908 8,942 3,739 12,681 12,166 5,422 17,589 56,045 15,574 71,619 89,207
Connecticut 29 318 346 158 958 1,115 186 1,275 1,462 1,074 3,805 4,879 1,260 5,081 6,341 4,433 10,801 15,234 21,575
Delaware - 41 41 138 256 394 138 297 435 472 706 1,178 610 1,003 1,613 2,252 2,661 4,913 6,526
District of Columbia - 12 12 - 122 122 - 134 134 - 319 319 - 453 453 - 1,063 1,063 1,516
Florida 717 778 1,495 2,765 4,549 7,314 3,482 5,327 8,809 6,251 12,596 18,847 9,733 17,923 27,656 26,724 69,107 95,831 123,488
Georgia 538 709 1,247 3,245 2,747 5,992 3,784 3,456 7,239 15,502 9,067 24,569 19,285 12,523 31,808 56,943 39,820 96,763 128,572
Hawaii - 55 55 80 320 400 80 375 455 475 642 1,116 554 1,017 1,571 1,104 1,826 2,930 4,501
Idaho 522 93 615 1,702 257 1,959 2,224 350 2,573 7,447 1,640 9,087 9,670 1,990 11,660 36,547 5,075 41,621 53,281
Illinois 1,243 942 2,185 2,408 3,158 5,567 3,652 4,100 7,752 16,402 10,433 26,835 20,054 14,533 34,587 76,140 35,266 111,406 145,993
Indiana 769 492 1,261 1,745 686 2,432 2,514 1,178 3,693 12,362 8,572 20,935 14,877 9,750 24,627 51,903 20,580 72,483 97,110
Iowa 610 178 788 3,425 940 4,366 4,036 1,118 5,154 18,171 3,006 21,177 22,206 4,124 26,330 79,792 8,716 88,508 114,838
Kansas 640 236 875 3,032 510 3,542 3,672 745 4,417 26,687 3,589 30,276 30,359 4,334 34,693 95,621 9,798 105,419 140,112
Kentucky 711 233 944 1,644 725 2,369 2,355 958 3,313 8,188 3,140 11,328 10,543 4,098 14,641 54,526 10,840 65,366 80,006
Louisiana 529 425 954 1,128 1,129 2,258 1,657 1,554 3,211 6,761 5,351 12,111 8,418 6,904 15,323 33,102 15,321 48,423 63,746
Maine 279 87 366 801 160 961 1,081 247 1,327 4,208 814 5,021 5,288 1,061 6,349 14,326 2,176 16,502 22,851
Maryland 142 336 478 377 1,317 1,694 519 1,653 2,172 2,020 4,006 6,027 2,539 5,660 8,199 11,056 13,175 24,231 32,430
Massachusetts 63 505 568 430 2,349 2,779 492 2,855 3,347 866 7,056 7,923 1,358 9,911 11,269 4,829 20,716 25,546 36,815
Michigan 562 676 1,238 2,483 2,734 5,218 3,046 3,411 6,456 21,256 8,976 30,232 24,301 12,387 36,688 59,702 25,650 85,352 122,040
Minnesota 588 325 913 3,488 849 4,337 4,077 1,174 5,251 22,309 5,570 27,879 26,386 6,744 33,130 92,093 16,733 108,827 141,957
Mississippi 578 253 832 1,812 997 2,810 2,391 1,250 3,641 15,668 2,704 18,372 18,059 3,954 22,013 46,362 9,136 55,499 77,512
Missouri 842 538 1,380 3,001 1,347 4,349 3,843 1,886 5,728 20,251 4,891 25,141 24,093 6,776 30,869 83,699 17,951 101,649 132,519
Montana 1,095 98 1,193 2,773 219 2,992 3,868 317 4,185 9,719 786 10,505 13,587 1,103 14,689 55,632 3,169 58,801 73,490
Nebraska 415 69 483 2,683 465 3,148 3,098 533 3,631 15,530 1,580 17,110 18,628 2,113 20,741 68,633 5,957 74,590 95,331
Nevada 457 162 618 1,544 419 1,963 2,001 581 2,581 2,960 2,158 5,119 4,961 2,739 7,700 32,403 7,691 40,094 47,793
New Hampshire 142 83 225 387 320 707 529 403 932 1,612 1,011 2,622 2,141 1,413 3,554 8,975 3,664 12,639 16,193
New Jersey 45 387 432 195 2,341 2,536 240 2,728 2,968 1,082 6,865 7,947 1,322 9,593 10,915 4,134 23,942 28,076 38,991
New Mexico 843 156 999 1,749 380 2,129 2,593 536 3,128 6,954 2,248 9,202 9,546 2,784 12,330 51,252 8,510 59,762 72,092
New York 806 932 1,738 2,293 4,042 6,335 3,098 4,974 8,073 8,483 11,239 19,723 11,582 16,213 27,795 52,672 33,738 86,410 114,205
North Carolina 565 793 1,358 2,199 2,131 4,330 2,764 2,924 5,687 10,398 7,611 18,010 13,162 10,535 23,697 52,827 31,430 84,257 107,954
North Dakota 510 61 571 2,945 206 3,151 3,455 267 3,722 14,657 658 15,315 18,112 925 19,037 67,399 1,994 69,392 88,429
Ohio 643 933 1,576 1,895 2,212 4,107 2,538 3,145 5,683 13,634 10,787 24,420 16,172 13,932 30,104 59,303 33,585 92,888 122,992
Oklahoma 646 286 933 2,309 665 2,974 2,955 952 3,907 23,668 4,654 28,322 26,623 5,606 32,229 69,476 13,373 82,850 115,079
Oregon 495 234 730 2,657 926 3,583 3,152 1,160 4,313 10,399 3,923 14,322 13,552 5,083 18,635 50,305 10,051 60,356 78,991
Pennsylvania 1,066 797 1,863 1,885 3,418 5,303 2,952 4,215 7,167 11,657 9,944 21,601 14,609 14,159 28,767 57,727 34,351 92,078 120,845
Rhode Island 18 52 70 108 424 533 126 477 603 244 917 1,161 370 1,394 1,764 994 3,267 4,261 6,025
South Carolina 546 304 851 1,593 1,158 2,751 2,139 1,462 3,602 12,992 4,654 17,646 15,131 6,117 21,248 39,634 18,308 57,942 79,190
South Dakota 591 88 679 2,889 156 3,046 3,481 244 3,725 15,413 788 16,201 18,893 1,032 19,925 59,543 2,229 61,772 81,697
Tennessee 645 557 1,201 1,739 2,061 3,800 2,383 2,617 5,001 8,011 6,202 14,213 10,395 8,819 19,214 53,932 23,036 76,968 96,182
Texas 2,001 1,462 3,463 7,638 6,986 14,624 9,639 8,448 18,086 46,527 25,826 72,354 56,166 34,274 90,440 149,850 76,278 226,127 316,567
Utah 685 253 938 1,183 697 1,880 1,868 950 2,818 4,552 2,379 6,931 6,420 3,329 9,749 29,987 9,076 39,062 48,812
Vermont 256 64 320 307 89 396 563 153 717 2,740 483 3,223 3,304 636 3,940 9,446 862 10,308 14,248
Virginia 598 521 1,119 1,760 1,765 3,525 2,359 2,286 4,644 10,994 5,615 16,609 13,352 7,901 21,253 35,235 19,040 54,274 75,527
Washington 429 335 764 1,925 1,868 3,793 2,354 2,203 4,557 10,150 5,754 15,904 12,504 7,958 20,461 43,999 16,562 60,561 81,022
West Virginia 319 236 556 1,020 414 1,434 1,339 650 1,990 6,878 1,684 8,562 8,218 2,334 10,552 23,988 4,339 28,327 38,879
Wisconsin 512 366 878 3,159 1,942 5,101 3,671 2,308 5,979 16,819 6,031 22,851 20,490 8,339 28,830 71,222 15,699 86,922 115,751
Wyoming 807 106 913 1,969 180 2,149 2,776 286 3,061 3,938 971 4,909 6,714 1,257 7,971 20,466 1,614 22,080 30,051
U.S. Total 29,283 19,189 48,472 97,365 73,902 171,267 126,648 93,091 219,739 542,124 268,640 810,764 668,771 361,732 1,030,503 2,265,210 876,849 3,142,059 4,172,562
Puerto Rico 54 230 284 68 423 491 123 653 776 591 2,043 2,634 713 2,696 3,410 3,969 12,538 16,507 19,916
Grand Total 29,337 19,419 48,756 97,433 74,325 171,759 126,770 93,744 220,515 542,714 270,683 813,398 669,485 364,428 1,033,912 2,269,179 889,387 3,158,566 4,192,479

Return to top

Page last modified on November 7, 2014
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