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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2022 / Table HM-20M - Highway Statistics 2022

Highway Statistics Series

Highway Statistics 2022


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Public Road Length - 2022 (1)
    Kilometers By Functional System

January 12, 2024

Table HM-20M
STATE RURAL URBAN TOTAL
INTERSTATE OTHER FREEWAYS AND EXPRESSWAYS OTHER PRINCIPAL ARTERIAL MINOR ARTERIAL MAJOR COLLECTOR MINOR COLLECTOR LOCAL TOTAL INTERSTATE OTHER FREEWAYS AND EXPRESSWAYS OTHER PRINCIPAL ARTERIAL MINOR ARTERIAL MAJOR COLLECTOR MINOR COLLECTOR LOCAL TOTAL
Alabama 918 - 3,266 6,428 19,791 8,368 70,937 109,708 697 53 2,078 3,784 5,830 354 36,228 49,025 158,733
Alaska 1,612 - 1,286 693 2,205 2,317 15,203 23,317 127 - 225 323 405 380 3,607 5,067 28,384
Arizona 1,474 31 2,033 3,525 5,400 4,749 51,925 69,136 406 408 1,381 4,079 4,521 4,290 35,687 50,772 119,908
Arkansas 716 116 3,020 4,936 19,012 10,860 93,089 131,749 519 156 1,025 2,925 3,499 385 19,206 27,716 159,465
California 1,946 679 5,479 10,114 20,081 12,329 76,436 127,066 2,005 2,358 10,773 16,943 20,556 368 112,998 166,001 293,067
Colorado 1,043 45 4,134 5,590 8,777 14,209 76,180 109,979 489 524 1,719 2,909 2,983 119 25,396 34,139 144,118
Connecticut 46 57 196 350 1,386 677 6,229 8,942 511 392 1,146 2,691 2,929 514 17,263 25,446 34,388
Delaware - 47 160 144 629 411 3,241 4,633 65 63 342 365 668 112 4,334 5,948 10,581
Dist. of Columbia - - - - - - - - 19 26 172 263 250 - 1,715 2,446 2,446
Florida 1,154 281 4,225 3,528 6,469 5,150 37,765 58,573 1,252 971 6,369 6,800 10,423 3,028 111,847 140,690 199,264
Georgia 866 - 3,913 7,504 18,758 10,799 79,006 120,846 1,153 282 3,782 7,741 5,992 1,170 61,428 81,549 202,394
Hawaii - - 126 414 355 132 1,649 2,676 88 54 432 309 422 309 2,989 4,604 7,280
Idaho 845 93 3,565 2,362 9,560 5,953 57,478 79,856 156 42 700 1,076 1,327 22 10,852 14,175 94,031
Illinois 2,007 78 3,802 7,711 18,725 7,572 114,917 154,812 1,510 190 4,648 6,736 7,799 2,545 56,740 80,168 234,980
Indiana 1,307 238 3,137 3,452 15,841 14,090 71,976 110,042 793 250 2,799 5,004 5,421 1,330 30,774 46,371 156,413
Iowa 984 - 5,514 6,297 22,917 25,741 102,710 164,162 283 - 1,486 2,702 2,177 1 14,215 20,863 185,026
Kansas 1,030 645 4,232 6,848 36,119 15,112 137,647 201,634 382 316 495 2,190 2,870 764 15,066 22,083 223,716
Kentucky 1,144 640 2,019 3,742 9,455 15,039 72,407 104,447 375 103 1,026 2,186 2,238 654 17,243 23,826 128,273
Louisiana 849 54 1,625 3,065 7,960 5,432 50,228 69,213 671 188 1,650 3,060 3,903 1,788 25,670 36,931 106,144
Maine 449 4 1,275 1,514 5,236 3,398 19,671 31,547 140 26 210 391 762 163 3,522 5,214 36,762
Maryland 229 111 519 1,147 2,098 2,739 14,571 21,412 541 500 1,650 2,542 2,980 876 21,918 31,007 52,420
Massachusetts 101 17 168 475 1,389 992 6,792 9,934 813 522 3,143 6,444 4,934 - 33,433 49,289 59,222
Michigan 905 557 3,428 7,865 26,356 6,819 89,212 135,142 1,088 567 3,804 7,953 6,312 203 41,331 61,258 196,400
Minnesota 946 54 5,565 10,639 25,350 19,336 129,861 191,751 524 354 1,006 4,014 3,835 2,743 26,259 38,734 230,485
Mississippi 931 - 2,871 6,040 19,215 3,708 71,141 103,905 408 103 1,521 1,765 2,554 17 14,839 21,207 125,112
Missouri 1,363 1,810 3,034 6,451 26,164 10,081 124,644 173,546 866 794 1,401 3,463 3,768 649 28,986 39,928 213,474
Montana 1,762 - 4,460 4,584 11,076 14,196 75,920 111,998 157 - 415 470 650 87 6,122 7,901 119,899
Nebraska 668 534 3,687 6,812 18,277 14,102 96,568 140,648 111 209 522 1,415 1,041 107 9,723 13,128 153,776
Nevada 735 - 2,447 1,167 3,629 4,023 47,123 59,124 260 89 609 1,425 80 1,927 12,686 17,075 76,199
New Hampshire 228 15 519 1,006 1,676 1,714 12,777 17,936 134 119 360 790 871 - 5,938 8,211 26,147
New Jersey 72 57 257 494 1,247 543 5,953 8,623 622 729 2,895 5,843 4,702 647 38,352 53,791 62,415
New Mexico 1,358 - 3,083 3,651 7,275 5,051 77,580 97,999 250 19 1,133 1,191 1,366 503 13,670 18,133 116,131
New York 1,296 295 3,388 4,576 9,081 14,953 69,853 103,443 1,507 1,307 5,106 8,833 8,898 418 54,636 80,705 184,148
North Carolina 958 647 2,634 4,918 12,057 9,693 75,295 106,202 1,286 730 3,224 5,497 5,425 761 51,142 68,065 174,267
North Dakota 820 - 4,741 4,067 19,553 - 108,397 137,579 99 - 338 485 648 - 3,144 4,713 142,292
Ohio 1,034 539 2,465 4,274 17,731 10,129 84,679 120,851 1,509 945 3,943 6,397 8,622 988 54,508 76,911 197,763
Oklahoma 1,045 24 3,620 4,307 33,880 4,842 107,123 154,841 456 358 1,892 3,648 2,493 228 21,850 30,926 185,767
Oregon 797 - 4,276 3,579 13,129 12,905 68,294 102,980 377 110 1,380 2,070 3,402 853 16,201 24,393 127,373
Pennsylvania 1,716 596 2,619 7,088 11,533 11,229 83,413 118,195 1,283 901 4,631 6,541 9,416 39 55,148 77,960 196,155
Rhode Island 29 17 156 116 275 241 1,703 2,537 84 131 553 547 873 59 5,727 7,973 10,510
South Carolina 879 74 2,480 4,804 16,111 3,272 57,325 84,945 490 133 1,731 2,843 4,535 129 29,448 39,309 124,254
South Dakota 951 468 4,170 4,765 20,055 9,949 85,893 126,251 141 36 216 718 549 - 3,644 5,303 131,554
Tennessee 1,037 41 3,076 4,583 7,988 15,526 71,321 103,572 896 288 3,155 4,106 4,100 1,656 37,377 51,578 155,150
Texas 3,239 247 14,407 16,041 56,680 23,833 220,369 334,814 2,355 2,355 9,170 13,699 26,031 1,814 130,166 185,590 520,404
Utah 1,102 19 1,917 2,081 5,218 5,595 42,414 58,346 408 92 1,105 1,099 1,808 910 15,103 20,525 78,871
Vermont 412 1 530 1,182 3,192 1,434 13,766 20,517 103 24 206 238 400 52 1,350 2,373 22,890
Virginia 951 156 2,644 5,797 11,968 7,968 48,782 78,266 849 581 2,172 3,670 4,142 1,226 30,613 43,252 121,518
Washington 690 985 2,113 3,328 13,016 10,024 58,081 88,237 538 680 2,324 4,483 4,434 431 26,829 39,718 127,955
West Virginia 515 1 1,671 2,162 8,909 3,469 35,016 51,744 380 23 653 1,160 1,449 99 7,003 10,768 62,512
Wisconsin 824 327 4,654 7,649 19,508 13,441 101,020 147,424 590 552 3,163 4,324 4,864 - 25,389 38,881 186,305
Wyoming 1,299 - 3,169 1,975 4,426 13,969 19,052 43,890 170 4 373 407 816 188 2,544 4,503 48,394
U.S. Total 47,286 10,603 147,776 215,842 656,736 418,114 3,242,634 4,738,990 30,936 19,660 106,249 180,562 210,971 35,907 1,431,859 2,016,144 6,755,135
Puerto Rico 87 3 107 413 538 307 6,092 7,546 372 84 598 1,445 1,773 56 20,276 24,604 32,150
Grand Total 47,373 10,606 147,883 216,254 657,273 418,421 3,248,726 4,746,536 31,308 19,744 106,847 182,006 212,744 35,963 1,452,135 2,040,748 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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