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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2021 / Table HM-41 - Highway Statistics 2021

Highway Statistics Series

Highway Statistics 2021


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NATIONAL HIGHWAY SYSTEM LENGTH - 2021(1)
  MILES BY FUNCTIONAL SYSTEM

February 21, 2023

Table HM-41
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 571 - 1,987 19 5 - - 2,582 433 30 1,187 59 7 - 8 1,724 4,306
Alaska 1,002 - 799 154 33 1 - 1,990 79 - 140 18 3 - - 239 2,229
Arizona 916 19 1,162 10 11 - - 2,119 252 251 570 16 3 1 - 1,092 3,211
Arkansas 496 72 1,860 1 4 1 - 2,433 272 97 538 32 9 - 3 951 3,384
California 1,208 407 3,204 363 101 - 23 5,305 1,248 1,485 6,324 179 50 - 18 9,305 14,611
Colorado 648 28 2,547 - 1 - - 3,224 304 325 1,034 17 4 - - 1,685 4,909
Connecticut 29 36 122 - - - - 186 318 244 712 2 - - - 1,275 1,462
Delaware - 36 104 10 - - - 150 41 32 205 8 - - - 285 435
District of Columbia - - - - - - - - 12 16 107 - - - - 136 136
Florida 717 173 2,570 8 7 - 8 3,482 778 584 3,756 174 22 4 12 5,330 8,812
Georgia 538 - 2,408 769 68 - 1 3,784 709 166 2,251 262 31 9 16 3,444 7,229
Hawaii - - 78 1 - - 1 80 55 34 269 2 1 - 15 375 455
Idaho 521 33 1,663 - 4 - - 2,220 93 16 236 2 2 - - 348 2,568
Illinois 1,243 48 2,363 - - - - 3,655 942 118 2,887 84 56 6 7 4,100 7,755
Indiana 792 153 1,564 6 1 - - 2,515 492 135 535 9 - - - 1,172 3,687
Iowa 611 - 3,425 1 - - - 4,037 176 - 917 21 - - 1 1,116 5,153
Kansas 640 402 2,630 - - - - 3,671 236 197 308 4 1 - - 746 4,417
Kentucky 711 398 1,244 4 8 - - 2,365 233 64 632 6 7 1 4 947 3,313
Louisiana 529 34 978 84 33 - - 1,657 406 116 940 68 8 1 4 1,542 3,200
Maine 279 3 791 6 - - 1 1,080 87 16 130 8 3 2 - 247 1,327
Maryland 142 69 306 3 - - - 521 336 305 958 38 9 - 4 1,651 2,171
Massachusetts 63 10 105 313 1 - - 491 504 324 1,959 47 8 - 7 2,848 3,339
Michigan 562 343 2,130 3 7 - - 3,046 676 354 2,363 13 5 - 1 3,411 6,457
Minnesota 588 34 3,456 1 - - - 4,079 325 220 611 8 5 - 3 1,172 5,251
Mississippi 578 - 1,784 23 4 - 2 2,392 253 64 919 15 - - - 1,251 3,643
Missouri 847 1,125 1,838 31 6 - - 3,846 538 490 848 3 3 - - 1,883 5,730
Montana 1,095 - 2,773 - - - - 3,868 98 - 219 - - - - 317 4,185
Nebraska 415 332 2,291 60 - - - 3,097 69 130 320 14 1 - - 533 3,630
Nevada 457 - 1,509 35 - - - 2,001 162 53 350 9 - 7 - 580 2,581
New Hampshire 142 9 323 55 - - - 529 83 74 223 20 2 - 1 403 932
New Jersey 45 35 160 - - - - 240 387 453 1,799 74 15 1 - 2,728 2,968
New Mexico 844 - 1,750 - - - - 2,594 155 12 366 1 - 1 - 535 3,128
New York 806 184 2,105 3 - - - 3,099 939 809 3,156 57 21 - 4 4,987 8,085
North Carolina 565 410 1,429 247 117 - 3 2,771 798 435 1,506 173 8 2 3 2,924 5,695
North Dakota 510 - 2,946 - - - - 3,456 61 - 204 - - - - 266 3,721
Ohio 643 333 1,503 34 26 - 2 2,541 935 558 1,525 91 29 - 15 3,153 5,694
Oklahoma 649 15 2,246 47 15 - - 2,972 283 193 458 15 11 - - 960 3,932
Oregon 495 - 2,653 - 2 - 3 3,152 234 69 826 28 5 - 6 1,168 4,321
Pennsylvania 1,066 360 1,528 5 6 - - 2,965 797 556 2,763 61 24 - - 4,202 7,167
Rhode Island 18 11 97 - - - - 126 52 81 342 - 1 - - 477 603
South Carolina 546 46 1,539 - - - - 2,131 304 82 1,069 13 3 - - 1,471 3,602
South Dakota 591 290 2,591 8 - - - 3,481 88 15 134 - - - - 237 3,718
Tennessee 645 26 1,708 5 5 - - 2,388 557 179 1,832 45 13 - 2 2,628 5,016
Texas 2,003 129 8,085 188 3 1 - 10,409 1,464 1,388 5,082 70 37 - 9 8,050 18,459
Utah 685 12 1,163 - 11 - - 1,871 253 57 632 4 5 6 - 958 2,829
Vermont 256 1 307 - - - - 563 64 5 79 3 1 - - 153 716
Virginia 593 95 1,637 24 12 - 2 2,363 526 356 1,346 47 5 1 1 2,282 4,645
Washington 429 612 1,296 11 6 - - 2,354 335 423 1,403 26 12 - 2 2,201 4,554
West Virginia 319 - 1,023 - - - - 1,343 236 14 399 1 - - - 650 1,993
Wisconsin 512 203 2,865 79 13 - - 3,672 367 340 1,567 24 13 - - 2,310 5,983
Wyoming 807 - 1,969 - - - - 2,776 106 3 177 - - - - 286 3,061
U.S. Total 29,367 6,526 88,612 2,610 509 3 45 127,672 19,152 11,968 59,112 1,871 443 44 146 92,736 220,407
Puerto Rico 54 2 66 - - - - 122 231 50 358 3 1 - - 642 764
Grand Total 29,421 6,527 88,678 2,610 509 3 45 127,793 19,383 12,018 59,469 1,874 444 44 146 93,378 221,172

(1) Please note that due to data review and production issues with the 2021 HPMS data, some anomalous and/or missing data may exist.

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