U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
October 26, 2021
| STATE | RURAL | URBAN | TOTAL | ||||
|---|---|---|---|---|---|---|---|
| INTERSTATE | NON-INTERSTATE | TOTAL | INTERSTATE | NON-INTERSTATE | TOTAL | ||
| Alabama | 571 | 626 | 1,197 | 433 | 310 | 743 | 1,940 |
| Alaska | 1,002 | 291 | 1,293 | 79 | 5 | 84 | 1,377 |
| Arizona | 916 | 260 | 1,176 | 252 | 35 | 288 | 1,463 |
| Arkansas | 439 | 301 | 740 | 310 | 59 | 369 | 1,110 |
| California | 1,209 | - | 1,209 | 1,247 | - | 1,247 | 2,456 |
| Colorado | 648 | 28 | 676 | 304 | 30 | 334 | 1,010 |
| Connecticut | 29 | - | 29 | 318 | 2 | 320 | 349 |
| Delaware | - | 14 | 14 | 41 | 32 | 73 | 86 |
| District of Columbia | - | - | - | 12 | 9 | 21 | 21 |
| Florida | 717 | 187 | 905 | 778 | 295 | 1,073 | 1,977 |
| Georgia | 538 | 660 | 1,198 | 709 | 292 | 1,001 | 2,199 |
| Hawaii | - | 11 | 11 | 55 | 79 | 134 | 145 |
| Idaho | 522 | 113 | 634 | 93 | 17 | 110 | 744 |
| Illinois | 1,243 | - | 1,243 | 942 | 12 | 953 | 2,197 |
| Indiana | 769 | 58 | 827 | 492 | 4 | 496 | 1,323 |
| Iowa | 610 | 3 | 614 | 178 | - | 178 | 792 |
| Kansas | 640 | 3 | 643 | 236 | 15 | 251 | 894 |
| Kentucky | 711 | 13 | 724 | 233 | 15 | 248 | 972 |
| Louisiana | 529 | 138 | 667 | 425 | 56 | 481 | 1,148 |
| Maine | 279 | - | 279 | 87 | 2 | 89 | 368 |
| Maryland | 142 | 91 | 233 | 336 | 125 | 461 | 694 |
| Massachusetts | 63 | - | 63 | 505 | 24 | 529 | 591 |
| Michigan | 562 | 42 | 604 | 676 | 60 | 736 | 1,340 |
| Minnesota | 588 | 166 | 754 | 325 | 37 | 363 | 1,116 |
| Mississippi | 578 | 288 | 866 | 253 | 66 | 319 | 1,185 |
| Missouri | 842 | 328 | 1,170 | 538 | 54 | 592 | 1,762 |
| Montana | 1,095 | 207 | 1,302 | 98 | 15 | 113 | 1,415 |
| Nebraska | 415 | 40 | 455 | 69 | 23 | 92 | 547 |
| Nevada | 457 | 1,262 | 1,719 | 162 | 109 | 270 | 1,989 |
| New Hampshire | 142 | - | 142 | 83 | - | 83 | 225 |
| New Jersey | 45 | 7 | 52 | 387 | 70 | 457 | 509 |
| New Mexico | 843 | 410 | 1,253 | 156 | 39 | 195 | 1,448 |
| New York | 806 | - | 806 | 932 | 2 | 933 | 1,739 |
| North Carolina | 565 | 610 | 1,175 | 793 | 355 | 1,147 | 2,323 |
| North Dakota | 510 | 123 | 633 | 61 | 17 | 78 | 711 |
| Ohio | 643 | 132 | 775 | 933 | 50 | 983 | 1,758 |
| Oklahoma | 646 | 112 | 758 | 286 | 21 | 307 | 1,065 |
| Oregon | 495 | 500 | 995 | 234 | 94 | 328 | 1,323 |
| Pennsylvania | 1,066 | 116 | 1,182 | 797 | 71 | 868 | 2,050 |
| Rhode Island | 18 | - | 18 | 52 | 14 | 66 | 84 |
| South Carolina | 546 | - | 546 | 304 | - | 304 | 851 |
| South Dakota | 591 | - | 591 | 88 | - | 88 | 679 |
| Tennessee | 645 | 48 | 692 | 557 | 64 | 621 | 1,313 |
| Texas | 2,001 | 2,243 | 4,244 | 1,462 | 580 | 2,042 | 6,286 |
| Utah | 685 | 258 | 943 | 253 | 41 | 295 | 1,238 |
| Vermont | 256 | - | 256 | 64 | - | 64 | 320 |
| Virginia | 598 | 388 | 986 | 521 | 178 | 699 | 1,685 |
| Washington | 429 | 123 | 552 | 335 | 102 | 436 | 988 |
| West Virginia | 319 | 57 | 376 | 236 | 25 | 261 | 638 |
| Wisconsin | 512 | 107 | 620 | 366 | 13 | 379 | 998 |
| Wyoming | 807 | 52 | 859 | 106 | - | 106 | 965 |
| U.S. Total | 29,283 | 10,417 | 39,700 | 19,189 | 3,517 | 22,706 | 62,405 |
| Puerto Rico | 54 | - | 54 | 230 | - | 230 | 284 |
| Grand Total | 29,337 | 10,417 | 39,754 | 19,419 | 3,517 | 22,936 | 62,690 |
(1) The STRAHNET includes highways which are important to the United States strategic defense. They provide defense access, continuity, and emergency capabilities for the movement of personnel, materials, and equipment.
