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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-49 - Highway Statistics 2017

Highway Statistics 2017


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Strategic Highway Network (STRAHNET) Length - 2017 (1)
    Miles by Interstate and Non-Interstate

August 23, 2018
Table HM-49

STATE RURAL URBAN TOTAL
INTERSTATE NON-INTERSTATE TOTAL INTERSTATE NON-INTERSTATE TOTAL
Alabama 571 626 1,196 433 309 742 1,939
Alaska 1,002 291 1,293 79 5 84 1,377
Arizona 916 264 1,180 252 43 295 1,475
Arkansas 439 301 740 310 59 369 1,110
California 1,186 - 1,186 1,270 - 1,270 2,456
Colorado 648 28 676 304 30 334 1,010
Connecticut 29 - 29 317 2 320 349
Delaware - 13 13 41 32 73 86
Dist. of Columbia - - - 12 1 12 12
Florida 717 229 947 778 325 1,103 2,049
Georgia 537 653 1,191 710 302 1,012 2,202
Hawaii - 11 11 55 79 134 145
Idaho 520 53 573 92 11 103 676
Illinois 1,243 - 1,243 942 12 953 2,197
Indiana 771 58 828 492 4 496 1,324
Iowa 610 4 614 175 1 176 791
Kansas 639 3 643 234 15 250 892
Kentucky 621 13 634 222 15 237 871
Louisiana 532 281 814 405 69 474 1,288
Maine 279 - 279 87 2 89 369
Maryland 142 91 233 338 125 463 696
Massachusetts 63 - 63 511 24 536 599
Michigan 567 42 608 685 57 742 1,350
Minnesota 588 166 754 325 37 363 1,116
Mississippi 569 291 860 253 70 323 1,182
Missouri 842 328 1,170 538 54 592 1,762
Montana 1,094 208 1,302 98 15 113 1,415
Nebraska 415 40 455 69 23 92 547
Nevada 447 1,270 1,717 155 118 273 1,990
New Hampshire 142 - 142 83 - 83 225
New Jersey 45 7 52 387 70 457 509
New Mexico 847 410 1,256 153 39 192 1,448
New York 804 5 808 940 21 962 1,770
North Carolina 551 629 1,181 721 358 1,079 2,260
North Dakota 510 123 633 61 17 78 711
Ohio 643 132 775 931 50 981 1,756
Oklahoma 646 112 758 286 19 305 1,063
Oregon 495 500 995 234 94 328 1,323
Pennsylvania 1,086 116 1,202 775 69 844 2,046
Rhode Island 18 - 18 52 14 66 84
South Carolina 546 160 706 304 155 460 1,166
South Dakota 591 - 591 88 - 88 679
Tennessee 644 48 692 557 64 621 1,313
Texas 2,001 2,210 4,210 1,459 556 2,015 6,225
Utah 684 258 942 253 45 298 1,240
Vermont 256 - 256 64 - 64 320
Virginia 598 383 981 521 173 694 1,675
Washington 429 123 552 335 101 436 988
West Virginia 319 46 365 235 12 247 613
Wisconsin 512 108 620 364 7 372 992
Wyoming 807 52 859 106 1 107 966
U.S. Total 29,162 10,685 39,847 19,092 3,705 22,797 62,644
Puerto Rico (2) 44 - 44 257 - 257 301
Grand Total 29,206 10,685 39,891 19,350 3,705 23,055 62,945

(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.

(2) Data may not be complete.

 

Page last modified on November 27, 2018
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