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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2020 / Table HM-20M - Highway Statistics 2020

Highway Statistics Series

Highway Statistics 2020


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Public Road Length - 2020 (1)
    Kilometers By Functional System

October 26, 2021

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 - 3,302 6,370 19,708 9,533 73,046 112,877 697 53 2,085 3,833 5,838 302 35,524 48,332 161,209
Alaska 1,612 - 1,286 693 2,205 2,297 15,268 23,362 127 - 225 323 405 380 3,633 5,093 28,455
Arizona 1,474 31 2,032 3,518 5,379 4,767 47,800 65,002 406 406 1,375 4,087 4,527 4,290 27,683 42,773 107,775
Arkansas 706 116 3,021 4,938 19,013 10,859 93,345 131,998 499 164 1,016 2,952 3,503 387 19,203 27,724 159,722
California 1,946 679 5,461 10,042 19,897 12,212 67,193 117,432 2,007 2,369 10,717 16,957 20,646 330 112,083 165,108 282,540
Colorado 1,043 45 4,134 5,590 8,767 14,207 75,989 109,775 489 522 1,718 2,912 2,980 106 25,064 33,790 143,565
Connecticut 46 57 196 350 1,378 674 6,460 9,163 511 392 1,146 2,692 2,926 510 17,383 25,559 34,722
Delaware - 47 160 145 630 412 3,213 4,606 65 62 344 362 668 112 4,282 5,896 10,502
Dist. of Columbia - - - - - - - - 19 25 172 263 250 - 1,711 2,440 2,440
Florida 1,154 281 4,215 3,529 6,474 5,156 37,864 58,673 1,252 968 6,363 6,811 10,409 3,027 111,231 140,061 198,734
Georgia 866 - 3,908 7,602 18,658 10,828 80,814 122,678 1,141 280 3,801 7,767 5,976 1,165 64,110 84,239 206,916
Hawaii - - 126 411 355 129 1,648 2,668 88 54 432 309 423 305 2,964 4,575 7,244
Idaho 840 65 2,766 2,359 9,534 4,790 54,026 74,379 149 30 698 1,076 1,230 19 8,167 11,369 85,748
Illinois 2,001 78 3,798 7,611 18,786 7,585 114,951 154,809 1,516 189 4,649 6,743 7,822 2,458 56,767 80,143 234,953
Indiana 1,238 247 3,188 3,368 15,901 13,858 69,672 107,472 792 254 2,807 4,984 5,485 1,369 33,120 48,811 156,284
Iowa 982 - 5,508 6,294 22,954 25,740 102,673 164,151 286 - 1,485 2,697 2,166 1 14,029 20,663 184,814
Kansas 1,030 647 4,232 6,848 36,101 15,115 138,771 202,744 379 309 503 2,195 2,844 745 15,769 22,744 225,489
Kentucky 1,144 640 1,989 3,769 9,424 15,033 72,718 104,718 374 103 1,041 2,183 2,235 651 17,451 24,039 128,757
Louisiana 852 54 1,626 3,061 7,954 5,438 47,836 66,821 683 188 1,647 3,018 3,819 1,756 24,657 35,768 102,589
Maine 449 4 1,275 1,515 5,266 3,376 19,681 31,566 140 26 210 398 819 114 3,503 5,210 36,776
Maryland 229 111 516 1,139 2,092 2,741 15,053 21,880 541 500 1,651 2,547 2,990 874 21,209 30,311 52,192
Massachusetts 101 17 168 506 1,395 992 6,780 9,958 813 521 3,173 6,490 4,942 - 33,350 49,290 59,248
Michigan 905 553 3,428 7,865 26,358 6,824 89,257 135,190 1,088 569 3,793 7,966 6,315 203 41,280 61,215 196,405
Minnesota 946 54 5,558 10,747 25,159 19,359 128,851 190,674 524 355 995 4,133 3,551 1,293 26,934 37,783 228,457
Mississippi 931 - 2,870 6,041 19,218 3,706 70,910 103,676 407 103 1,532 1,759 2,545 17 14,704 21,068 124,744
Missouri 1,354 1,811 3,042 6,441 26,123 10,081 124,621 173,474 866 794 1,403 3,458 3,751 633 28,889 39,794 213,268
Montana 1,762 - 4,463 4,586 11,055 14,172 75,359 111,396 157 - 411 469 649 87 5,100 6,874 118,270
Nebraska 667 534 3,764 6,727 18,287 14,094 96,360 140,433 111 210 524 1,396 1,049 112 9,587 12,988 153,421
Nevada 735 - 2,445 1,168 3,636 4,077 48,071 60,131 260 89 610 1,438 80 1,932 12,377 16,785 76,916
New Hampshire 228 15 519 1,006 1,676 1,714 12,730 17,889 134 119 360 790 871 - 5,898 8,171 26,060
New Jersey 72 57 257 494 1,247 543 6,110 8,780 622 729 2,895 5,843 4,703 647 38,531 53,969 62,749
New Mexico 1,357 - 3,083 3,661 7,261 5,038 77,444 97,846 251 19 1,130 1,197 1,374 508 13,696 18,176 116,022
New York 1,297 296 3,389 4,578 9,080 14,957 69,811 103,407 1,500 1,307 5,106 8,860 8,896 418 54,302 80,389 183,796
North Carolina 909 680 2,609 4,930 12,050 9,692 75,327 106,199 1,276 732 3,217 5,547 5,420 758 50,588 67,537 173,736
North Dakota 820 - 4,739 4,065 19,525 - 108,468 137,616 98 - 335 514 540 - 3,208 4,697 142,313
Ohio 1,035 538 2,451 4,287 17,712 10,144 85,297 121,464 1,502 937 3,936 6,383 8,649 993 54,072 76,472 197,936
Oklahoma 1,040 21 3,619 4,305 33,861 4,838 106,974 154,657 461 318 1,891 3,646 2,485 221 21,522 30,544 185,202
Oregon 797 - 4,276 3,581 13,151 12,822 68,141 102,768 377 111 1,377 2,075 3,420 812 16,184 24,355 127,123
Pennsylvania 1,716 580 2,544 7,143 11,528 11,188 81,714 116,413 1,283 896 4,622 6,548 9,405 33 55,283 78,069 194,482
Rhode Island 29 17 157 116 277 245 1,354 2,194 84 131 552 548 873 56 5,258 7,502 9,696
South Carolina 879 74 2,493 4,804 16,101 3,260 60,525 88,135 490 133 1,717 2,845 4,533 126 29,464 39,308 127,443
South Dakota 951 468 4,170 4,767 20,050 9,950 85,875 126,231 141 29 222 718 550 - 3,587 5,248 131,479
Tennessee 1,037 41 3,070 4,582 7,997 15,520 71,276 103,524 896 288 3,151 4,104 4,093 1,657 37,075 51,266 154,790
Texas 3,220 207 13,517 16,900 56,546 23,849 217,310 331,550 2,352 2,246 10,046 12,929 25,771 1,808 122,763 177,916 509,466
Utah 1,102 14 1,917 2,080 5,218 5,595 42,663 58,591 408 78 1,067 1,100 1,802 902 14,606 19,964 78,554
Vermont 412 1 530 1,182 3,192 1,434 13,769 20,519 103 24 206 238 400 52 1,388 2,411 22,931
Virginia 963 154 2,633 5,787 11,950 7,956 48,752 78,193 838 586 2,178 3,683 4,184 1,245 30,643 43,356 121,549
Washington 690 985 2,113 3,317 13,016 10,032 60,779 90,933 538 680 2,315 4,461 4,420 388 26,657 39,460 130,393
West Virginia 514 1 1,641 2,177 8,893 3,468 35,137 51,831 380 23 643 1,162 1,449 99 6,983 10,739 62,570
Wisconsin 824 327 4,618 7,669 19,536 13,444 101,177 147,597 589 550 3,149 4,314 4,816 - 25,268 38,687 186,283
Wyoming 1,299 - 3,169 1,964 4,373 13,945 18,992 43,742 170 4 371 417 867 193 2,598 4,620 48,362
U.S. Total 47,126 10,549 145,994 216,627 655,950 417,687 3,227,854 4,721,786 30,882 19,475 107,011 180,140 210,364 34,092 1,411,338 1,993,302 6,715,088
Puerto Rico 88 3 107 412 538 309 6,079 7,535 370 83 597 1,440 1,773 56 20,198 24,518 32,052
Grand Total 47,214 10,552 146,100 217,038 656,487 417,996 3,233,933 4,729,320 31,252 19,558 107,608 181,580 212,138 34,148 1,431,536 2,017,820 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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