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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-49 - Highway Statistics 2015

Highway Statistics 2015


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Strategic Highway Network (STRAHNET) Length - 2015 (1)
    Miles by Interstate and Non-Interstate

December 2016
Table HM-49

STATE RURAL URBAN TOTAL
INTERSTATE NON-INTERSTATE TOTAL INTERSTATE NON-INTERSTATE TOTAL
Alabama 571 626 1,197 430 310 740 1,937
Alaska 1,002 291 1,294 79 5 84 1,377
Arizona 917 264 1,181 252 43 295 1,476
Arkansas 410 330 740 293 74 368 1,108
California 1,209 1,208 2,418 1,241 768 2,009 4,427
Colorado 648 28 676 304 30 334 1,010
Connecticut 29 - 29 317 2 320 349
Delaware - 20 20 41 25 66 86
Dist. of Columbia - - - 12 0 12 12
Florida 717 229 947 778 325 1,103 2,050
Georgia 536 643 1,179 712 278 989 2,168
Hawaii - 11 11 55 79 134 145
Idaho 521 117 638 90 13 103 741
Illinois 1,243 - 1,243 942 12 953 2,197
Indiana 768 58 825 498 4 502 1,327
Iowa 612 3 615 176 - 176 791
Kansas 639 3 643 234 15 250 892
Kentucky 622 13 635 220 15 236 871
Louisiana 532 266 798 405 78 482 1,281
Maine 299 - 299 66 - 66 365
Maryland 142 91 233 338 125 463 696
Massachusetts 64 - 64 510 24 534 599
Michigan 566 - 566 686 - 686 1,252
Minnesota 594 166 760 320 37 357 1,117
Mississippi 554 291 845 253 70 323 1,168
Missouri 842 328 1,170 538 54 592 1,762
Montana 1,094 208 1,302 98 15 113 1,415
Nebraska 415 - 415 67 - 67 482
Nevada 448 1,269 1,717 150 120 270 1,987
New Hampshire 142 - 142 83 - 83 225
New Jersey 45 7 52 387 70 457 509
New Mexico 847 398 1,244 153 35 189 1,433
New York 803 5 808 941 21 962 1,770
North Carolina 551 653 1,204 720 373 1,093 2,297
North Dakota 511 123 634 60 17 77 711
Ohio 643 142 785 931 57 988 1,773
Oklahoma 646 112 758 286 19 305 1,064
Oregon 495 500 995 234 94 328 1,323
Pennsylvania 1,112 116 1,228 756 69 825 2,053
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 573 52 625 531 59 590 1,216
Texas 2,001 2,229 4,230 1,416 564 1,980 6,210
Utah 684 12 696 253 26 279 975
Vermont 259 - 259 62 - 62 320
Virginia 469 256 725 653 291 944 1,669
Washington 429 116 545 335 100 435 980
West Virginia 309 57 366 245 25 270 636
Wisconsin 512 108 621 363 8 371 992
Wyoming 808 52 860 106 0 106 966
U.S. Total 28,990 11,561 40,551 19,063 4,521 23,584 64,136
Puerto Rico (2) 31 - 31 234 22 256 287
Grand Total 29,021 11,561 40,582 19,297 4,543 23,840 64,423

(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) 2008 data.

 

Page last modified on December 7, 2016
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