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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2020 / Table HM-15M - Highway Statistics 2020

Highway Statistics Series

Highway Statistics 2020


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FEDERAL - AID HIGHWAY LENGTH - 2020
  KILOMETERS BY SYSTEM (1)

October 26, 2021

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 3,222 2,076 5,298 4,141 2,773 6,913 26,158 10,047 36,205 30,298 12,820 43,119 82,579 35,512 118,091 161,209
Alaska 1,612 127 1,738 1,591 259 1,850 3,202 386 3,588 2,597 1,074 3,671 5,799 1,460 7,259 17,562 3,633 21,195 28,455
Arizona 1,474 406 1,881 1,936 1,353 3,288 3,410 1,759 5,169 9,025 13,332 22,356 12,435 15,091 27,526 52,567 27,682 80,249 107,775
Arkansas 706 499 1,206 3,119 1,092 4,211 3,825 1,592 5,417 23,971 6,935 30,905 27,796 8,526 36,322 104,202 19,198 123,400 159,722
California 1,946 2,007 3,953 6,418 12,804 19,222 8,365 14,810 23,175 29,663 38,215 67,878 38,027 53,025 91,052 79,405 112,083 191,488 282,540
Colorado 1,043 489 1,532 4,146 2,220 6,366 5,189 2,709 7,898 14,391 6,017 20,408 19,580 8,726 28,306 90,195 25,064 115,259 143,565
Connecticut 46 511 557 254 1,541 1,795 300 2,052 2,352 1,728 6,124 7,852 2,028 8,176 10,205 7,135 17,382 24,517 34,722
Delaware - 65 65 222 412 635 222 478 700 760 1,136 1,896 982 1,614 2,596 3,624 4,282 7,906 10,502
Dist. of Columbia - 19 19 - 197 197 - 216 216 - 513 513 - 729 729 - 1,711 1,711 2,440
Florida 1,154 1,252 2,406 4,450 7,321 11,771 5,604 8,573 14,177 10,060 20,272 30,331 15,664 28,845 44,509 43,009 111,217 154,225 198,734
Georgia 866 1,141 2,007 5,223 4,421 9,644 6,089 5,562 11,651 24,947 14,592 39,540 31,036 20,154 51,191 91,641 64,085 155,726 206,916
Hawaii - 88 88 129 515 644 129 604 732 764 1,033 1,797 892 1,637 2,529 1,776 2,939 4,715 7,244
Idaho 840 149 989 2,739 413 3,152 3,578 563 4,141 11,984 2,639 14,624 15,563 3,202 18,765 58,816 8,167 66,983 85,748
Illinois 2,001 1,516 3,516 3,876 5,082 8,958 5,877 6,598 12,475 26,397 16,790 43,187 32,274 23,388 55,662 122,535 56,755 179,291 234,953
Indiana 1,238 792 2,030 2,809 1,104 3,913 4,046 1,896 5,943 19,895 13,795 33,691 23,942 15,692 39,634 83,530 33,120 116,650 156,284
Iowa 982 286 1,268 5,513 1,513 7,026 6,495 1,799 8,294 29,243 4,838 34,080 35,738 6,636 42,374 128,413 14,027 142,440 184,814
Kansas 1,030 379 1,409 4,879 820 5,700 5,909 1,200 7,108 42,949 5,776 48,725 48,857 6,975 55,833 153,887 15,769 169,656 225,489
Kentucky 1,144 374 1,519 2,645 1,167 3,813 3,790 1,542 5,332 13,177 5,053 18,230 16,967 6,595 23,562 87,751 17,445 105,196 128,757
Louisiana 852 683 1,535 1,816 1,818 3,633 2,667 2,501 5,168 10,880 8,611 19,491 13,548 11,112 24,659 53,273 24,657 77,930 102,589
Maine 449 140 589 1,290 257 1,547 1,739 397 2,136 6,772 1,310 8,081 8,511 1,707 10,218 23,056 3,503 26,558 36,776
Maryland 229 541 769 607 2,120 2,727 835 2,661 3,496 3,251 6,448 9,699 4,087 9,108 13,195 17,794 21,203 38,997 52,192
Massachusetts 101 813 914 692 3,781 4,472 792 4,594 5,386 1,394 11,356 12,750 2,186 15,950 18,136 7,772 33,340 41,112 59,248
Michigan 905 1,088 1,993 3,997 4,401 8,397 4,902 5,489 10,390 34,207 14,446 48,653 39,109 19,935 59,044 96,081 41,280 137,361 196,405
Minnesota 946 524 1,470 5,614 1,366 6,980 6,561 1,890 8,450 35,904 8,964 44,867 42,464 10,854 53,318 148,210 26,929 175,139 228,457
Mississippi 931 407 1,338 2,917 1,605 4,522 3,848 2,012 5,860 25,215 4,352 29,567 29,063 6,364 35,427 74,613 14,704 89,317 124,744
Missouri 1,354 866 2,220 4,830 2,169 6,998 6,184 3,035 9,219 32,590 7,871 40,461 38,774 10,905 49,679 134,700 28,889 163,589 213,268
Montana 1,762 157 1,920 4,463 352 4,815 6,225 509 6,734 15,641 1,265 16,905 21,866 1,774 23,640 89,531 5,100 94,630 118,270
Nebraska 667 111 778 4,318 748 5,066 4,985 859 5,844 24,993 2,542 27,536 29,979 3,401 33,380 110,454 9,587 120,041 153,421
Nevada 735 260 995 2,485 674 3,159 3,220 934 4,154 4,764 3,474 8,238 7,984 4,408 12,391 52,147 12,377 64,525 76,916
New Hampshire 228 134 362 623 515 1,137 851 648 1,499 2,594 1,627 4,220 3,445 2,275 5,720 14,444 5,897 20,341 26,060
New Jersey 72 622 694 314 3,768 4,082 386 4,390 4,776 1,741 11,049 12,790 2,127 15,439 17,566 6,653 38,531 45,183 62,749
New Mexico 1,357 251 1,608 2,815 611 3,426 4,173 862 5,035 11,191 3,618 14,809 15,363 4,480 19,843 82,482 13,696 96,178 116,022
New York 1,297 1,500 2,796 3,690 6,505 10,195 4,986 8,005 12,991 13,653 18,088 31,741 18,639 26,093 44,732 84,768 54,296 139,063 183,796
North Carolina 909 1,276 2,185 3,539 3,429 6,968 4,448 4,705 9,153 16,734 12,249 28,984 21,182 16,954 38,137 85,017 50,582 135,599 173,736
North Dakota 820 98 919 4,740 331 5,070 5,560 429 5,989 23,589 1,059 24,648 29,149 1,488 30,637 108,468 3,208 111,676 142,313
Ohio 1,035 1,502 2,536 3,050 3,560 6,610 4,084 5,062 9,146 21,942 17,359 39,301 26,026 22,421 48,447 95,439 54,050 149,489 197,936
Oklahoma 1,040 461 1,501 3,716 1,071 4,787 4,756 1,532 6,288 38,090 7,491 45,580 42,845 9,023 51,868 111,812 21,522 133,334 185,202
Oregon 797 377 1,174 4,276 1,490 5,766 5,073 1,867 6,941 16,736 6,313 23,049 21,809 8,180 29,990 80,959 16,175 97,134 127,123
Pennsylvania 1,716 1,283 2,999 3,034 5,501 8,535 4,750 6,784 11,534 18,760 16,003 34,763 23,510 22,786 46,296 92,903 55,283 148,186 194,482
Rhode Island 29 84 113 174 683 857 203 767 970 393 1,476 1,869 595 2,243 2,839 1,599 5,258 6,857 9,696
South Carolina 879 490 1,369 2,563 1,864 4,427 3,443 2,354 5,796 20,908 7,490 28,398 24,351 9,844 34,195 63,784 29,464 93,249 127,443
South Dakota 951 141 1,092 4,650 252 4,902 5,601 393 5,994 24,805 1,268 26,072 30,406 1,661 32,067 95,825 3,587 99,412 131,479
Tennessee 1,037 896 1,933 2,798 3,316 6,115 3,836 4,212 8,048 12,893 9,981 22,874 16,729 14,193 30,922 86,795 37,073 123,868 154,790
Texas 3,220 2,352 5,572 12,292 11,243 23,535 15,512 13,595 29,107 74,878 41,564 116,442 90,390 55,159 145,549 241,160 122,757 363,917 509,466
Utah 1,102 408 1,510 1,904 1,122 3,026 3,006 1,529 4,536 7,326 3,829 11,154 10,332 5,358 15,690 48,259 14,606 62,864 78,554
Vermont 412 103 515 495 143 638 907 246 1,153 4,410 777 5,188 5,317 1,024 6,341 15,202 1,388 16,590 22,931
Virginia 963 838 1,801 2,833 2,840 5,673 3,796 3,678 7,474 17,693 9,037 26,729 21,488 12,715 34,203 56,704 30,641 87,346 121,549
Washington 690 538 1,229 3,098 3,007 6,105 3,788 3,546 7,334 16,334 9,261 25,595 20,123 12,806 32,929 70,810 26,654 97,464 130,393
West Virginia 514 380 894 1,642 667 2,308 2,156 1,047 3,202 11,070 2,709 13,779 13,226 3,756 16,982 38,605 6,983 45,588 62,570
Wisconsin 824 589 1,414 5,083 3,125 8,209 5,908 3,715 9,622 27,068 9,706 36,774 32,976 13,421 46,397 114,621 25,266 139,887 186,283
Wyoming 1,299 170 1,469 3,168 290 3,458 4,467 460 4,927 6,338 1,563 7,901 10,805 2,022 12,827 32,937 2,598 35,535 48,362
U.S. Total 47,126 30,882 78,008 156,694 118,934 275,628 203,820 149,816 353,635 872,464 432,335 1,304,798 1,076,283 582,150 1,658,434 3,645,502 1,411,152 5,056,654 6,715,088
Puerto Rico 88 370 458 110 681 791 197 1,051 1,249 950 3,288 4,239 1,148 4,339 5,487 6,387 20,178 26,565 32,052
Grand Total 47,214 31,252 78,465 156,803 119,615 276,419 204,017 150,867 354,884 873,414 435,623 1,309,037 1,077,431 586,490 1,663,921 3,651,889 1,431,330 5,083,219 6,747,140

(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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