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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2020 / Table HM-30M - Highway Statistics 2020

Highway Statistics Series

Highway Statistics 2020


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National Highway System Length - 2020 (1)
  Kilometers Open and Not Open to Traffic

October 26, 2021

Table HM-30M
STATE OPEN TO TRAFFIC NOT OPEN TO TRAFFIC TOTAL
INTERSTATE OTHER TOTAL TOTAL
RURAL URBAN TOTAL RURAL URBAN TOTAL RURAL URBAN TOTAL RURAL URBAN TOTAL RURAL URBAN TOTAL
Alabama 918 697 1,615 3,222 2,076 5,298 4,141 2,773 6,913 - - - 4,141 2,773 6,913
Alaska 1,612 127 1,738 1,591 259 1,850 3,202 386 3,588 - - - 3,202 386 3,588
Arizona 1,474 406 1,881 1,936 1,353 3,288 3,410 1,759 5,169 - - - 3,410 1,759 5,169
Arkansas 706 499 1,206 3,119 1,092 4,211 3,825 1,592 5,417 - - - 3,825 1,592 5,417
California 1,946 2,007 3,953 6,418 12,804 19,222 8,365 14,810 23,175 - - - 8,365 14,810 23,175
Colorado 1,043 489 1,532 4,146 2,220 6,366 5,189 2,709 7,898 - - - 5,189 2,709 7,898
Connecticut 46 511 557 254 1,541 1,795 300 2,052 2,352 - - - 300 2,052 2,352
Delaware - 65 65 222 412 635 222 478 700 - - - 222 478 700
Dist. of Columbia - 19 19 - 197 197 - 216 216 - - - - 216 216
Florida 1,154 1,252 2,406 4,450 7,321 11,771 5,604 8,573 14,177 - 115 115 5,604 8,688 14,293
Georgia 866 1,141 2,007 5,223 4,421 9,644 6,089 5,562 11,651 - - - 6,089 5,562 11,651
Hawaii - 88 88 129 515 644 129 604 732 - - - 129 604 732
Idaho 840 149 989 2,739 413 3,152 3,578 563 4,141 - - - 3,578 563 4,141
Illinois 2,001 1,516 3,516 3,876 5,082 8,958 5,877 6,598 12,475 - - - 5,877 6,598 12,475
Indiana 1,238 792 2,030 2,809 1,104 3,913 4,046 1,896 5,943 - - - 4,046 1,896 5,943
Iowa 982 286 1,268 5,513 1,513 7,026 6,495 1,799 8,294 1 11 12 6,496 1,810 8,305
Kansas 1,030 379 1,409 4,879 820 5,700 5,909 1,200 7,108 336 119 455 6,244 1,319 7,563
Kentucky 1,144 374 1,519 2,645 1,167 3,813 3,790 1,542 5,332 - - - 3,790 1,542 5,332
Louisiana 852 683 1,535 1,816 1,818 3,633 2,667 2,501 5,168 - - - 2,667 2,501 5,168
Maine 449 140 589 1,290 257 1,547 1,739 397 2,136 - - - 1,739 397 2,136
Maryland 229 541 769 607 2,120 2,727 835 2,661 3,496 - - - 835 2,661 3,496
Massachusetts 101 813 914 692 3,781 4,472 792 4,594 5,386 - - - 792 4,594 5,386
Michigan 905 1,088 1,993 3,997 4,401 8,397 4,902 5,489 10,390 - - - 4,902 5,489 10,390
Minnesota 946 524 1,470 5,614 1,366 6,980 6,561 1,890 8,450 - - - 6,561 1,890 8,450
Mississippi 931 407 1,338 2,917 1,605 4,522 3,848 2,012 5,860 207 85 292 4,055 2,097 6,152
Missouri 1,354 866 2,220 4,830 2,169 6,998 6,184 3,035 9,219 - - - 6,184 3,035 9,219
Montana 1,762 157 1,920 4,463 352 4,815 6,225 509 6,734 - - - 6,225 509 6,734
Nebraska 667 111 778 4,318 748 5,066 4,985 859 5,844 - - - 4,985 859 5,844
Nevada 735 260 995 2,485 674 3,159 3,220 934 4,154 - - - 3,220 934 4,154
New Hampshire 228 134 362 623 515 1,137 851 648 1,499 - - - 851 648 1,499
New Jersey 72 622 694 314 3,768 4,082 386 4,390 4,776 - - - 386 4,390 4,776
New Mexico 1,357 251 1,608 2,815 611 3,426 4,173 862 5,035 - - - 4,173 862 5,035
New York 1,297 1,500 2,796 3,690 6,505 10,195 4,986 8,005 12,991 - - - 4,986 8,005 12,991
North Carolina 909 1,276 2,185 3,539 3,429 6,968 4,448 4,705 9,153 - - - 4,448 4,705 9,153
North Dakota 820 98 919 4,740 331 5,070 5,560 429 5,989 - - - 5,560 429 5,989
Ohio 1,035 1,502 2,536 3,050 3,560 6,610 4,084 5,062 9,146 - - - 4,084 5,062 9,146
Oklahoma 1,040 461 1,501 3,716 1,071 4,787 4,756 1,532 6,288 - - - 4,756 1,532 6,288
Oregon 797 377 1,174 4,276 1,490 5,766 5,073 1,867 6,941 - - - 5,073 1,867 6,941
Pennsylvania 1,716 1,283 2,999 3,034 5,501 8,535 4,750 6,784 11,534 - - - 4,750 6,784 11,534
Rhode Island 29 84 113 174 683 857 203 767 970 - - - 203 767 970
South Carolina 879 490 1,369 2,563 1,864 4,427 3,443 2,354 5,796 - - - 3,443 2,354 5,796
South Dakota 951 141 1,092 4,650 252 4,902 5,601 393 5,994 - - - 5,601 393 5,994
Tennessee 1,037 896 1,933 2,798 3,316 6,115 3,836 4,212 8,048 50 13 63 3,886 4,225 8,111
Texas 3,220 2,352 5,572 12,292 11,243 23,535 15,512 13,595 29,107 - - - 15,512 13,595 29,107
Utah 1,102 408 1,510 1,904 1,122 3,026 3,006 1,529 4,536 - - - 3,006 1,529 4,536
Vermont 412 103 515 495 143 638 907 246 1,153 - - - 907 246 1,153
Virginia 963 838 1,801 2,833 2,840 5,673 3,796 3,678 7,474 - - - 3,796 3,678 7,474
Washington 690 538 1,229 3,098 3,007 6,105 3,788 3,546 7,334 - - - 3,788 3,546 7,334
West Virginia 514 380 894 1,642 667 2,308 2,156 1,047 3,202 - - - 2,156 1,047 3,202
Wisconsin 824 589 1,414 5,083 3,125 8,209 5,908 3,715 9,622 - - - 5,908 3,715 9,622
Wyoming 1,299 170 1,469 3,168 290 3,458 4,467 460 4,927 - - - 4,467 460 4,927
U.S. Total 47,126 30,882 78,008 156,694 118,934 275,628 203,820 149,816 353,635 593 344 937 204,413 150,160 354,572
Puerto Rico 88 370 458 110 681 791 197 1,051 1,249 - - - 197 1,051 1,249
Grand Total 47,214 31,252 78,465 156,803 119,615 276,419 204,017 150,867 354,884 593 344 937 204,610 151,211 355,821

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

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