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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2020 / Table HM-51 - Highway Statistics 2020

Highway Statistics Series

Highway Statistics 2020


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Functional System Length - 2020 (1)
   Miles by Type of Surface - Rural

October 26, 2021

Table HM-51 (Sheet 1 of 4)
STATE INTERSTATE OTHER
FREEWAYS AND
EXPRESSWAYS		 OTHER
PRINCIPAL ARTERIAL		 MINOR
ARTERIAL
PAVED (2) PAVED (2) PAVED (2) PAVED (2)
BITUMINOUS CONCRETE COMPOSITE TOTAL BITUMINOUS CONCRETE COMPOSITE TOTAL BITUMINOUS CONCRETE COMPOSITE TOTAL BITUMINOUS CONCRETE COMPOSITE TOTAL
Alabama 468 6 77 551 - - - - 1,911 - 118 2,028 3,487 - 425 3,913
Alaska 982 - - 982 - - - - 459 1 - 459 333 - - 333
Arizona 901 13 2 916 19 - - 19 1,254 7 2 1,263 2,146 5 34 2,186
Arkansas 273 82 82 438 - 72 - 72 1,597 51 229 1,877 2,910 5 153 3,068
California 522 688 - 1,209 285 133 - 418 3,242 115 - 3,358 3,598 28 - 3,626
Colorado 354 294 - 648 21 8 - 28 2,288 281 - 2,569 3,097 88 - 3,186
Connecticut 12 - 17 29 22 - 14 36 67 - 55 122 196 - 22 218
Delaware - - - - 6 21 2 29 20 1 78 99 9 4 77 90
District of Columbia - - - - - - - - - - - - - - - -
Florida 717 - - 717 173 2 - 175 2,619 - - 2,619 2,186 - - 2,186
Georgia 120 270 148 538 - - - - 1,819 95 515 2,428 4,017 15 692 4,724
Hawaii - - - - - - - - 78 - - 78 255 - - 255
Idaho 435 84 2 521 34 2 4 40 1,701 13 - 1,714 1,440 22 - 1,462
Illinois 88 150 1,006 1,243 - 31 - 31 193 70 2,096 2,360 249 - 4,473 4,722
Indiana 656 113 - 769 118 36 - 153 1,890 67 - 1,957 2,073 8 - 2,081
Iowa 28 257 324 610 - - - - 278 927 2,215 3,420 890 642 2,379 3,911
Kansas 392 206 41 640 96 169 136 402 2,098 119 413 2,630 4,025 18 212 4,255
Kentucky 636 75 - 711 353 45 - 398 1,233 2 - 1,236 2,320 21 - 2,341
Louisiana 86 206 236 528 5 21 8 34 345 157 508 1,009 945 34 908 1,887
Maine 279 - - 279 3 - - 3 792 - - 792 941 - - 941
Maryland 103 - 39 142 58 1 11 69 177 1 143 321 446 - 262 707
Massachusetts - - 63 63 - - 2 2 - - 94 94 - - 306 306
Michigan 132 314 116 562 164 99 81 343 1,183 21 926 2,130 3,569 147 1,124 4,839
Minnesota 84 331 164 579 6 16 12 34 1,720 308 1,425 3,454 5,267 64 1,339 6,670
Mississippi 55 35 489 578 - - - - 1,202 125 456 1,783 3,303 - 451 3,754
Missouri 9 172 660 841 46 430 648 1,123 794 146 951 1,890 3,584 42 376 4,002
Montana 1,077 18 - 1,095 - - - - 2,769 4 - 2,773 2,850 - - 2,850
Nebraska - 93 321 415 48 194 90 332 1,573 167 599 2,339 3,472 235 399 4,105
Nevada 430 26 - 457 - - - - 1,519 - - 1,519 726 - - 726
New Hampshire 142 - - 142 9 - - 9 302 - 21 323 625 - - 625
New Jersey 25 - 20 45 35 - - 35 46 - 114 160 148 - 159 307
New Mexico 838 6 - 843 - - - - 1,891 24 - 1,916 2,270 6 - 2,275
New York 485 - - 485 184 - - 184 2,101 - - 2,101 2,809 - - 2,809
North Carolina 466 70 29 565 404 1 8 412 1,617 1 - 1,618 3,029 - 32 3,060
North Dakota 20 303 187 510 - - - - 2,790 138 17 2,945 2,524 2 - 2,526
Ohio 232 112 298 643 137 80 117 335 890 67 567 1,523 2,383 - 281 2,664
Oklahoma 396 250 - 646 - - - - 1,729 518 - 2,247 2,429 137 13 2,578
Oregon 298 150 48 495 - - - - 2,617 3 9 2,630 2,179 - 46 2,225
Pennsylvania 199 153 714 1,066 82 148 131 360 448 59 1,073 1,580 2,681 35 1,721 4,438
Rhode Island - - 18 18 11 - - 11 79 - 19 97 72 - - 72
South Carolina 180 111 255 546 43 3 - 46 1,540 10 - 1,549 2,980 4 - 2,984
South Dakota 29 369 192 591 110 105 75 291 1,785 582 224 2,591 2,876 40 46 2,962
Tennessee 645 - - 645 16 - - 16 1,863 - - 1,863 136 - - 136
Texas 1,301 588 112 2,001 79 41 9 129 7,966 235 198 8,399 10,021 23 457 10,501
Utah 623 62 - 685 - 9 - 9 1,183 8 - 1,191 1,291 - - 1,291
Vermont 256 - - 256 1 - - 1 273 - 57 329 697 - 37 734
Virginia 486 8 105 598 88 7 - 95 1,498 5 133 1,636 3,446 - 147 3,592
Washington 225 134 70 429 543 63 6 612 1,251 11 51 1,313 1,981 6 74 2,061
West Virginia 288 32 - 319 - - - - 924 95 - 1,020 1,280 4 - 1,285
Wisconsin 87 151 267 505 81 81 39 202 1,887 461 519 2,867 3,923 129 713 4,765
Wyoming 588 199 20 807 - - - - 1,958 11 - 1,969 1,023 3 - 1,026
U.S. Total 16,648 6,132 6,124 28,903 3,277 1,817 1,394 6,487 71,457 4,906 13,824 90,186 109,141 1,766 17,356 128,262
Puerto Rico 34 18 - 52 1 - - 2 61 1 - 62 142 - - 142
Grand Total 16,682 6,150 6,124 28,956 3,278 1,817 1,394 6,489 71,518 4,907 13,824 90,248 109,283 1,766 17,356 128,404

 

Miles by Type of Surface - Rural

October 26, 2021

Table HM-51 (Sheet 2 of 4)
STATE MAJOR
COLLECTOR		 MINOR
COLLECTOR		 LOCAL
UNPAVED PAVED (2) TOTAL UNPAVED PAVED (2) TOTAL UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL
Alabama - 11,152 - 533 11,685 11,685 4 5,920 5,924 15,579 29,810 45,389
Alaska 394 976 - - 976 1,370 891 536 1,427 8,799 688 9,486
Arizona 125 3,209 8 - 3,217 3,342 648 2,314 2,961 21,086 8,616 29,702
Arkansas 414 10,974 - 426 11,400 11,814 3,637 3,110 6,747 44,956 13,045 58,002
California - 3,390 1 - 3,391 3,391 - 7,588 7,588 2,039 39,713 41,752
Colorado 942 4,505 2 - 4,506 5,448 6,413 2,415 8,828 41,919 5,298 47,217
Connecticut - 837 - 19 856 856 9 410 419 589 3,425 4,014
Delaware - 175 15 200 390 390 - 256 256 65 1,931 1,996
District of Columbia - - - - - - - - - - - -
Florida - 4,023 - - 4,023 4,023 58 3,146 3,204 14,634 8,894 23,528
Georgia - 11,048 7 538 11,594 11,594 944 5,784 6,728 25,269 24,947 50,215
Hawaii - 220 - - 220 220 - 80 80 163 861 1,024
Idaho 840 5,083 - - 5,083 5,924 1,618 1,358 2,976 26,083 7,488 33,570
Illinois 2,634 5,390 139 3,485 9,015 11,649 358 4,355 4,713 23,011 48,415 71,427
Indiana - 9,767 100 - 9,868 9,868 - 8,611 8,611 - 43,292 43,292
Iowa 1,327 4,239 5,442 3,231 12,912 14,239 11,909 4,085 15,994 57,913 5,885 63,798
Kansas 10,370 11,812 81 169 12,062 22,432 8,323 1,070 9,392 80,437 5,791 86,229
Kentucky - 5,849 7 - 5,856 5,856 7 9,335 9,341 9,463 35,721 45,184
Louisiana - 3,993 63 878 4,934 4,934 6 3,373 3,379 29 29,695 29,724
Maine - 3,272 - - 3,272 3,272 15 2,082 2,097 4,249 7,980 12,229
Maryland - 887 - 413 1,300 1,300 15 1,688 1,703 655 8,698 9,353
Massachusetts - 414 10 435 859 859 28 588 616 1,838 2,375 4,213
Michigan 2,806 13,188 62 322 13,573 16,378 1,102 3,138 4,240 41,042 14,420 55,462
Minnesota 751 14,389 439 53 14,882 15,633 3,889 8,140 12,029 68,786 11,278 80,064
Mississippi 222 10,618 - 1,102 11,720 11,942 300 2,003 2,303 15,496 28,565 44,061
Missouri - 16,142 39 48 16,229 16,229 - 6,264 6,264 61,877 15,559 77,436
Montana 2,002 4,868 - - 4,868 6,869 7,358 1,448 8,806 42,510 4,316 46,826
Nebraska - 2,256 55 168 2,480 2,480 7,804 953 8,758 55,520 4,355 59,875
Nevada 133 2,126 - - 2,126 2,259 1,824 709 2,533 25,091 4,779 29,870
New Hampshire - 997 - 45 1,041 1,041 13 1,052 1,065 3,227 4,683 7,910
New Jersey - 716 - 59 775 775 1 337 338 200 3,596 3,796
New Mexico 161 4,328 24 - 4,351 4,512 697 2,434 3,131 43,466 4,655 48,121
New York - 5,543 - - 5,543 5,543 59 9,235 9,294 9,487 33,891 43,378
North Carolina 48 7,433 - - 7,433 7,481 23 5,999 6,023 5,744 41,062 46,806
North Dakota 4,893 7,149 86 5 7,239 12,132 - - - 65,119 2,279 67,399
Ohio - 10,910 3 92 11,005 11,005 122 6,182 6,304 14,330 38,671 53,001
Oklahoma 2,316 17,911 153 - 18,065 20,380 1,946 1,060 3,006 48,966 17,505 66,470
Oregon 947 7,225 - - 7,225 8,172 3,123 4,844 7,967 34,460 7,881 42,341
Pennsylvania - 5,360 14 1,790 7,163 7,163 15 6,937 6,952 1,012 49,763 50,775
Rhode Island - 160 7 5 172 172 - 152 152 41 800 841
South Carolina - 10,004 - - 10,004 10,004 37 1,989 2,025 10,336 27,272 37,608
South Dakota 5,001 7,350 7 100 7,458 12,459 5,403 780 6,183 50,719 2,641 53,361
Tennessee - - - - - - 203 9,440 9,643 6,455 37,834 44,289
Texas 2 34,667 68 399 35,134 35,136 76 14,743 14,819 80,599 54,431 135,030
Utah 47 3,139 - - 3,139 3,186 1,968 1,508 3,477 21,693 4,817 26,510
Vermont 66 1,842 - 76 1,918 1,984 276 615 891 6,694 1,862 8,555
Virginia - 7,411 1 - 7,412 7,412 63 4,880 4,943 6,880 23,412 30,292
Washington 84 7,920 13 71 8,004 8,088 1,274 4,959 6,233 26,491 11,275 37,766
West Virginia - 5,482 42 - 5,524 5,524 73 2,081 2,154 9,604 12,229 21,833
Wisconsin - 10,850 180 1,023 12,053 12,053 638 7,716 8,354 22,072 40,796 62,868
Wyoming - 2,569 5 - 2,574 2,574 6,741 1,924 8,665 9,470 2,331 11,801
U.S. Total 36,523 323,768 7,074 15,685 346,528 383,051 79,909 179,627 259,537 1,166,165 839,526 2,005,691
Puerto Rico - 193 - - 193 193 1 191 192 360 3,418 3,777
Grand Total 36,523 323,961 7,075 15,685 346,721 383,244 79,911 179,818 259,729 1,166,525 842,944 2,009,469

 

Miles by Type of Surface - Urban

October 26, 2021

Table HM-51 (Sheet 3 of 4)
STATE INTERSTATE OTHER FREEWAYS AND EXPRESSWAYS OTHER PRINCIPAL ARTERIAL MINOR ARTERIAL
PAVED (2) PAVED (2) PAVED (2) UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL BITUMINOUS CONCRETE COMPOSITE TOTAL BITUMINOUS CONCRETE COMPOSITE TOTAL BITUMINOUS CONCRETE COMPOSITE TOTAL
Alabama 302 18 85 404 27 1 1 30 1,176 - 93 1,268 - 2,198 1 64 2,264 2,264
Alaska 79 - - 79 - - - - 140 - - 140 2 198 - - 198 201
Arizona 180 13 60 252 37 69 146 252 832 18 5 854 4 2,487 41 7 2,535 2,539
Arkansas 123 112 69 304 36 59 - 95 448 15 162 625 - 1,665 43 121 1,830 1,830
California 427 698 - 1,125 774 690 - 1,464 6,175 232 - 6,407 - 3,003 19 - 3,022 3,022
Colorado 196 108 - 304 232 92 - 324 820 248 - 1,067 3 1,671 114 20 1,805 1,809
Connecticut 122 2 193 318 66 2 176 244 331 - 381 712 - 1,352 - 320 1,672 1,672
Delaware 13 15 13 41 2 30 7 39 41 19 153 213 - 42 18 162 222 222
District of Columbia - 1 11 12 2 3 11 15 2 4 101 107 - 1 20 143 164 164
Florida 684 94 - 778 579 23 - 602 3,924 28 - 3,952 - 4,223 9 - 4,232 4,232
Georgia 175 257 276 709 64 79 31 174 1,705 77 580 2,362 - 4,469 59 298 4,826 4,826
Hawaii 28 27 - 55 33 1 - 34 251 17 - 268 - 191 1 - 192 192
Idaho 67 25 - 93 15 2 1 18 397 26 - 423 1 656 1 - 657 657
Illinois 41 229 635 904 16 26 72 114 25 408 2,442 2,875 8 508 388 3,246 4,142 4,150
Indiana 322 170 - 492 105 53 - 158 1,582 161 - 1,743 - 2,963 79 - 3,042 3,042
Iowa 22 88 67 176 - - - - 29 402 485 916 5 154 824 684 1,663 1,668
Kansas 56 88 90 235 34 62 95 192 132 84 96 312 9 947 238 170 1,355 1,364
Kentucky 149 84 - 233 40 24 - 64 607 39 - 647 - 1,325 32 - 1,356 1,356
Louisiana 66 199 144 409 13 84 18 114 224 322 436 981 - 841 369 541 1,751 1,751
Maine 87 - - 87 16 - - 16 130 - - 130 - 247 - - 247 247
Maryland 171 10 155 336 229 4 79 311 671 11 328 1,010 - 1,250 4 319 1,573 1,573
Massachusetts - - 501 501 - - 292 292 - - 1,899 1,899 - 843 - 3,135 3,978 3,978
Michigan 62 345 270 676 81 163 110 354 924 649 778 2,350 118 4,046 414 371 4,832 4,950
Minnesota 42 241 43 325 50 124 47 220 359 131 128 618 5 1,997 232 326 2,555 2,560
Mississippi 79 33 141 253 55 5 4 64 578 88 285 952 - 888 35 170 1,093 1,093
Missouri 26 127 382 535 5 134 346 485 213 101 555 869 1 1,690 146 310 2,145 2,146
Montana 92 6 - 98 - - - - 230 26 - 256 - 288 3 - 291 291
Nebraska 2 44 22 69 - 89 41 130 39 152 124 314 - 8 27 11 46 46
Nevada 95 42 25 162 49 6 - 55 378 1 - 379 1 890 2 - 892 893
New Hampshire 83 - - 83 74 - - 74 218 - 5 223 - 465 - 26 491 491
New Jersey 285 9 93 387 341 22 89 453 806 13 980 1,799 - 3,145 20 466 3,630 3,630
New Mexico 149 7 - 156 11 - - 12 660 42 - 702 31 705 7 - 712 744
New York 490 96 - 585 438 12 - 450 3,076 34 - 3,110 - 5,218 83 - 5,301 5,301
North Carolina 484 187 119 790 374 47 28 449 1,971 19 3 1,994 2 3,364 37 9 3,409 3,411
North Dakota - 38 23 61 - - - - 103 94 10 207 25 177 113 5 294 320
Ohio 252 133 546 930 224 40 317 581 1,322 65 1,058 2,446 - 3,235 63 668 3,966 3,966
Oklahoma 157 126 3 286 54 138 - 191 755 283 - 1,038 8 1,773 356 - 2,128 2,136
Oregon 87 48 100 234 54 8 1 62 799 18 32 850 - 1,262 22 5 1,288 1,288
Pennsylvania 186 139 465 790 44 223 285 551 1,034 101 1,735 2,870 6 2,320 85 1,656 4,060 4,066
Rhode Island 28 - 24 52 47 - 34 81 268 - 75 342 - 322 2 16 340 340
South Carolina 108 98 98 304 74 9 - 82 1,057 10 - 1,067 - 1,767 1 - 1,768 1,768
South Dakota - 75 12 88 2 15 1 18 25 96 15 137 14 255 171 6 432 446
Tennessee 542 15 - 557 169 10 - 179 1,812 15 - 1,827 - 122 7 - 129 129
Texas 789 619 54 1,462 434 915 42 1,391 4,499 1,526 212 6,237 5 5,265 2,653 104 8,022 8,027
Utah 124 129 - 253 37 12 - 49 560 102 - 663 - 638 30 - 668 668
Vermont 64 - - 64 15 - - 15 97 - 30 128 - 107 - 41 148 148
Virginia 226 55 240 521 326 13 24 363 1,235 43 75 1,353 - 2,223 32 20 2,274 2,274
Washington 168 131 35 335 356 50 17 422 1,117 75 246 1,439 - 2,569 41 161 2,771 2,771
West Virginia 212 23 - 235 5 9 - 14 351 48 - 400 - 677 12 - 690 690
Wisconsin 58 141 158 358 49 193 84 327 759 705 474 1,938 - 1,685 570 345 2,600 2,600
Wyoming 43 57 6 106 3 - - 3 161 34 - 195 - 92 21 - 114 114
U.S. Total 8,243 5,201 5,157 18,600 5,693 3,540 2,396 11,629 45,051 6,583 13,982 65,617 250 78,425 7,445 13,946 99,817 100,067
Puerto Rico 95 13 - 108 27 5 - 33 337 3 - 340 - 562 2 - 563 563
Grand Total 8,338 5,214 5,157 18,709 5,721 3,545 2,396 11,662 45,388 6,586 13,982 65,957 250 78,987 7,447 13,946 100,380 100,630

 

Miles by Type of Surface - Urban

October 26, 2021

Table HM-51 (Sheet 4 of 4)
STATE MAJOR COLLECTOR MINOR COLLECTOR LOCAL
UNPAVED PAVED (2) TOTAL UNPAVED PAVED (2) TOTAL UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL BITUMINOUS CONCRETE COMPOSITE TOTAL
Alabama - 3,488 1 - 3,489 3,489 - 182 - - 182 182 13 22,060 22,073
Alaska 1 251 - - 251 252 11 226 - - 226 236 749 1,508 2,257
Arizona 11 2,763 10 29 2,802 2,813 79 2,568 5 14 2,586 2,665 958 16,243 17,201
Arkansas 123 1,982 50 16 2,048 2,171 38 196 2 4 202 240 1,430 10,502 11,932
California - 2,560 7 - 2,567 2,567 - 14 - - 14 14 - 69,645 69,645
Colorado 32 1,739 79 1 1,819 1,851 10 55 - 1 56 66 1,019 14,555 15,574
Connecticut - 1,700 2 116 1,818 1,818 - 316 - - 316 316 90 10,711 10,801
Delaware - 189 42 175 407 407 - 56 1 8 65 65 5 2,655 2,660
District of Columbia - 2 7 146 156 156 - - - - - - 3 1,060 1,063
Florida 2 6,407 59 - 6,466 6,468 4 1,864 12 - 1,876 1,881 1,382 67,733 69,115
Georgia - 3,699 13 1 3,713 3,713 - 714 3 6 724 724 2,102 37,734 39,836
Hawaii - 256 6 - 262 262 - 185 1 - 187 187 11 1,831 1,842
Idaho 9 717 - - 717 725 - 5 - - 5 5 6 5,069 5,075
Illinois 202 1,261 302 3,015 4,578 4,780 232 337 128 786 1,251 1,483 450 34,823 35,273
Indiana 1 3,271 48 - 3,319 3,319 - 799 6 - 805 805 - 20,580 20,580
Iowa 79 137 538 581 1,256 1,335 - - - - - - 838 7,880 8,718
Kansas 83 1,368 211 106 1,684 1,767 49 329 51 33 414 463 31 9,767 9,798
Kentucky - 1,386 2 - 1,388 1,388 - 393 - - 393 393 160 10,683 10,843
Louisiana 1 1,683 375 195 2,253 2,254 - 881 78 59 1,018 1,018 1 15,320 15,321
Maine - 509 - - 509 509 - 71 - - 71 71 124 2,052 2,176
Maryland - 1,700 16 139 1,855 1,855 - 504 1 36 540 540 100 13,078 13,178
Massachusetts - 1,437 21 1,578 3,037 3,037 - - - - - - 1,788 18,935 20,723
Michigan 285 3,289 158 192 3,639 3,924 58 65 - 3 68 126 11,799 13,851 25,650
Minnesota 12 2,140 54 - 2,194 2,206 13 769 21 - 790 803 1,346 15,390 16,736
Mississippi - 1,444 30 108 1,582 1,582 - 10 - - 10 10 252 8,885 9,137
Missouri - 1,919 296 112 2,328 2,328 - 196 71 33 301 301 359 17,592 17,951
Montana 3 400 - - 400 403 4 50 - - 50 54 513 2,656 3,169
Nebraska - 2 7 - 10 10 - - - - - - 292 5,665 5,957
Nevada 1 49 - - 49 49 50 1,151 - - 1,151 1,201 1,307 6,383 7,690
New Hampshire - 532 - 9 541 541 - - - - - - 96 3,569 3,665
New Jersey - 2,570 3 350 2,922 2,922 - 400 - 2 402 402 12 23,930 23,942
New Mexico 2 839 13 - 852 854 3 309 4 - 313 316 2,408 6,102 8,510
New York - 5,419 37 - 5,456 5,456 - 248 - - 249 249 430 33,311 33,741
North Carolina - 3,333 10 1 3,344 3,344 - 443 - - 443 443 479 30,955 31,434
North Dakota 25 235 70 5 311 336 - - - - - - 284 1,709 1,993
Ohio - 4,944 33 395 5,372 5,372 - 617 - - 617 617 1,510 32,089 33,599
Oklahoma 51 1,232 149 - 1,382 1,432 12 70 9 - 80 91 832 12,541 13,373
Oregon 3 2,064 34 24 2,122 2,125 1 504 - - 504 505 795 9,261 10,056
Pennsylvania 19 5,220 60 538 5,818 5,837 - - - - - - 19 34,333 34,352
Rhode Island - 540 - 2 542 542 - 35 - - 35 35 26 3,241 3,267
South Carolina - 2,797 - - 2,797 2,797 - 78 - - 78 78 1,250 17,059 18,309
South Dakota 21 269 51 - 320 342 - - - - - - 214 2,015 2,229
Tennessee - 45 - - 45 45 - - - - - - 173 22,864 23,037
Texas 52 11,429 4,344 160 15,933 15,985 1 990 131 - 1,121 1,122 2,051 74,231 76,282
Utah 1 1,088 8 - 1,095 1,097 1 510 - - 510 511 450 8,625 9,075
Vermont 3 229 - 15 244 247 1 31 - - 31 32 99 763 862
Virginia 3 2,559 5 - 2,564 2,567 10 737 1 - 738 748 161 18,880 19,041
Washington 5 2,454 92 190 2,736 2,741 4 230 - - 231 235 447 16,118 16,565
West Virginia - 847 10 - 857 857 - 52 - - 52 52 269 4,070 4,339
Wisconsin 1 2,317 376 191 2,884 2,886 - - - - - - 307 15,393 15,700
Wyoming - 135 - - 136 136 - 2 1 - 3 3 250 1,364 1,614
U.S. Total 1,031 98,848 7,630 8,390 114,868 115,898 582 17,189 531 986 18,705 19,287 39,690 837,269 876,959
Puerto Rico - 458 3 - 461 461 - 5 - - 5 5 564 11,986 12,550
Grand Total 1,031 99,306 7,633 8,390 115,329 116,359 582 17,194 531 986 18,711 19,292 40,254 849,255 889,509

(1) Some differences from other tables may be noted because these values are estimated from sample data and do not include samples entirely on structures. Some States may have unreported/incomplete data. Excludes unpaved miles in the following systems: rural Interstate-- 10 miles-- Alaska; rural Other Principal Arterial-- 340 miles-- Alaska, 14 miles-- Indiana; rural Minor Arterial-- 97 miles-- Alaska, 288 miles-- Colorado, 4 miles-- Idaho, 48 miles-- Michigan, 8 miles-- Minnesota, 1 mile-- Oklahoma; urban Other Principal Arterial-- 1 mile-- North Dakota, 3 miles-- Texas.

(2) Paved includes the following categories: Bituminous -- bituminous, asphalt-concrete (AC) overlay over existing AC pavement; Concrete -- JPCP jointed plain concrete pavement, JRCP jointed reinforced concrete pavement, CRCP continuously reinforced concrete pavment; unbonded jointed concrete overlay on PCC pavement, bonded PCC overlay on PCC pavement, other (includes "whitetopping"); Composite -- AC overlay over jointed concrete pavement, AC (bituminous overlay over existing CRCP).

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