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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-20M - Highway Statistics 2017

Highway Statistics 2017


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Public Road Length - 2017 (1)
    Kilometers By Functional System

August 23, 2018
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 - 3,265 6,402 19,706 10,011 76,222 116,524 697 47 2,092 3,833 5,828 299 33,378 46,175 162,700
Alaska 1,612 - 1,286 693 2,207 2,303 12,307 20,408 127 - 225 323 404 379 3,137 4,593 25,001
Arizona 1,475 28 1,947 2,062 6,769 3,049 49,367 64,696 406 346 1,358 4,245 3,111 359 32,593 42,419 107,115
Arkansas 706 116 3,020 4,930 19,103 10,988 98,611 137,474 499 163 1,008 2,963 3,557 400 19,059 27,649 165,123
California 1,908 595 5,246 9,886 19,208 12,134 66,171 115,148 2,044 2,495 10,882 17,768 20,297 480 114,475 168,442 283,589
Colorado 1,043 45 4,134 5,572 8,771 14,223 75,840 109,629 489 522 1,719 2,904 2,986 107 24,583 33,310 142,939
Connecticut 46 57 196 350 1,379 674 6,455 9,158 511 392 1,145 2,691 2,923 504 17,347 25,513 34,671
Delaware - 28 160 144 626 417 3,139 4,513 65 62 346 359 668 114 4,256 5,871 10,384
Dist. of Columbia - - - - - - - - 19 26 172 264 250 - 1,706 2,436 2,436
Florida 1,154 283 4,216 3,528 6,477 5,158 37,894 58,710 1,252 924 6,397 6,765 10,387 3,008 110,264 138,996 197,705
Georgia 865 - 3,898 7,605 18,627 10,838 80,624 122,457 1,142 285 3,827 7,727 6,058 1,167 63,903 84,110 206,567
Hawaii - - 126 411 355 142 1,648 2,681 88 54 428 309 423 305 2,915 4,523 7,204
Idaho 837 181 2,676 2,365 9,571 6,960 51,787 74,376 147 46 693 1,062 1,217 20 6,829 10,014 84,390
Illinois 2,001 78 3,788 7,611 18,787 7,578 114,975 154,818 1,515 188 4,648 6,744 7,816 2,406 56,724 80,042 234,861
Indiana 1,240 233 2,421 3,718 15,976 13,970 69,760 107,319 791 291 2,702 5,103 5,463 1,110 32,989 48,450 155,768
Iowa 982 - 5,512 6,286 22,944 25,731 102,680 164,135 282 - 1,461 2,684 2,149 2 13,777 20,355 184,491
Kansas 1,029 651 4,228 6,837 36,129 15,115 141,717 205,706 377 307 514 2,210 2,841 629 16,030 22,908 228,614
Kentucky 999 790 1,955 3,776 9,394 15,028 72,599 104,540 357 121 1,039 2,185 2,227 651 17,715 24,295 128,835
Louisiana 857 39 1,609 3,098 7,597 5,252 52,040 70,491 652 116 1,728 3,145 3,467 345 18,887 28,340 98,832
Maine 449 - 1,249 1,503 5,216 3,390 19,501 31,308 140 29 238 409 872 117 3,676 5,481 36,790
Maryland 229 111 516 1,134 2,081 2,741 15,028 21,840 544 500 1,624 2,544 2,988 874 20,924 29,998 51,839
Massachusetts 102 17 169 500 1,401 996 6,781 9,967 823 522 3,187 6,500 4,942 - 33,159 49,132 59,099
Michigan 912 554 3,428 7,865 26,346 6,814 89,385 135,305 1,102 573 3,806 7,954 6,263 198 41,197 61,093 196,398
Minnesota 946 54 5,559 10,734 25,169 19,339 126,841 188,644 524 355 994 4,119 3,550 1,286 24,949 35,778 224,421
Mississippi 915 - 2,870 6,041 19,229 3,720 70,861 103,636 407 103 1,531 1,752 2,533 17 14,657 20,999 124,636
Missouri 1,354 1,811 3,025 6,446 26,128 10,093 124,196 173,054 866 795 1,399 3,474 3,698 610 28,342 39,185 212,239
Montana 1,761 - 4,462 4,575 11,067 14,172 75,549 111,587 157 - 414 466 652 87 5,029 6,805 118,393
Nebraska 667 534 3,764 6,728 18,295 14,100 96,383 140,470 111 210 525 1,394 1,046 112 9,283 12,680 153,150
Nevada 720 - 2,451 1,168 3,631 4,111 49,203 61,284 250 86 602 1,437 79 1,918 11,970 16,341 77,625
New Hampshire 228 15 519 1,006 1,676 1,714 12,693 17,851 134 119 360 788 862 - 5,887 8,150 26,001
New Jersey 72 57 257 494 1,247 543 6,090 8,760 622 729 2,899 5,845 4,702 646 38,392 53,836 62,596
New Mexico 1,362 - 3,117 3,684 7,282 5,063 85,879 106,387 247 19 1,103 1,182 1,339 492 13,480 17,862 124,249
New York 1,293 291 3,393 4,562 9,032 14,997 69,226 102,795 1,513 1,313 5,075 8,857 8,895 387 53,922 79,961 182,756
North Carolina 887 683 2,543 4,952 12,039 9,705 74,910 105,720 1,160 783 3,206 5,557 5,420 730 49,584 66,440 172,160
North Dakota 820 - 4,733 4,065 19,276 - 107,604 136,498 98 - 338 508 525 - 3,153 4,623 141,121
Ohio 1,034 532 2,443 4,272 17,767 10,130 85,324 121,502 1,499 933 3,937 6,392 8,646 966 54,053 76,425 197,928
Oklahoma 1,040 3 3,618 4,304 33,864 4,839 104,360 152,029 460 330 1,887 3,644 2,492 221 20,574 29,609 181,638
Oregon 797 - 4,276 3,580 13,154 12,763 68,783 103,353 377 103 1,377 2,069 3,420 797 16,085 24,227 127,580
Pennsylvania 1,748 553 2,564 7,386 11,811 11,201 81,830 117,093 1,247 909 4,502 6,342 9,182 - 54,684 76,866 193,960
Rhode Island 29 17 156 116 277 240 1,325 2,160 84 130 551 553 868 53 5,300 7,539 9,699
South Carolina 879 72 2,488 4,799 16,128 3,271 62,555 90,192 490 135 1,712 2,859 4,536 118 24,464 34,314 124,505
South Dakota 951 468 4,172 4,767 19,961 10,059 87,023 127,401 141 29 220 701 564 - 3,850 5,505 132,906
Tennessee 1,037 23 2,872 4,743 8,069 15,522 71,052 103,318 897 278 3,073 4,340 4,314 1,951 36,305 51,157 154,475
Texas 3,220 206 13,530 16,962 56,544 23,880 216,383 330,725 2,347 2,260 9,898 12,868 25,381 1,805 120,564 175,123 505,848
Utah 1,101 14 1,870 2,116 5,230 5,589 45,420 61,340 407 78 1,056 1,089 1,785 860 12,708 17,984 79,324
Vermont 412 3 530 1,182 3,173 1,453 13,770 20,525 103 26 203 239 398 52 1,396 2,416 22,941
Virginia 962 149 2,636 5,784 11,976 7,920 48,940 78,367 839 571 2,178 3,686 4,116 1,215 30,112 42,716 121,084
Washington 690 985 2,113 3,252 13,020 10,076 60,388 90,525 539 678 2,322 4,387 4,429 330 26,227 38,912 129,437
West Virginia 514 1 1,636 2,167 8,890 3,467 35,150 51,824 379 23 642 1,159 1,450 99 6,953 10,705 62,529
Wisconsin 825 327 4,628 7,634 19,442 13,628 101,084 147,568 586 547 3,126 4,362 4,825 - 24,941 38,387 185,955
Wyoming 1,300 - 3,192 1,975 4,415 15,452 18,184 44,518 170 4 356 400 811 148 2,564 4,454 48,972
U.S. Total 46,932 10,604 144,464 215,773 656,461 420,561 3,245,536 4,740,330 30,726 19,557 106,725 181,162 207,654 28,374 1,388,950 1,963,148 6,703,479
Puerto Rico 71 - 75 364 390 389 3,846 5,135 414 90 636 1,514 1,937 - 19,819 24,410 29,545
Grand Total 47,003 10,604 144,539 216,137 656,851 420,950 3,249,382 4,745,466 31,140 19,647 107,360 182,676 209,591 28,374 1,408,770 1,987,558 6,733,024

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

Page last modified on November 27, 2018
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000