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Highway Statistics Series

Highway Statistics 2024


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Functional System Length - 2024 (1)
   Miles by Type of Surface - Rural

October 17, 2025

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 475 6 65 545 - - - - 1,927 - 83 2,011 3,724 - 234 3,958
Alaska 997 - - 997 - - - - 506 1 - 507 319 - - 319
Arizona 882 7 44 933 19 - - 19 1,268 2 - 1,270 2,218 2 4 2,224
Arkansas 245 83 101 430 - 73 - 73 1,533 - 309 1,843 2,800 - 217 3,017
California 974 220 - 1,193 341 62 - 404 2,875 96 - 2,971 4,388 50 - 4,438
Colorado 334 285 - 619 25 6 - 31 2,250 265 - 2,515 3,014 75 - 3,089
Connecticut 12 - 17 30 23 - 11 34 67 - 55 122 192 - 21 214
Delaware - - - - 10 12 4 26 10 - 108 118 30 - 62 92
District of Columbia - - - - - - - - - - - - - - - -
Florida 661 - - 661 131 - - 131 2,593 35 - 2,628 2,049 - - 2,049
Georgia 341 308 - 649 - - - - 2,653 88 57 2,798 5,111 41 62 5,214
Hawaii - 6 - 6 - - - - 67 1 - 68 248 - - 248
Idaho 420 95 2 517 101 - - 101 1,626 1 - 1,628 1,392 22 - 1,413
Illinois 98 161 969 1,228 - 47 - 47 188 71 2,138 2,397 353 - 4,453 4,806
Indiana 683 144 - 827 107 39 - 146 1,845 133 - 1,978 2,194 41 - 2,235
Iowa 32 204 360 596 - - - - 284 951 2,127 3,361 757 596 2,552 3,904
Kansas 392 144 89 624 88 105 191 384 2,029 150 434 2,614 4,014 7 227 4,248
Kentucky 668 75 - 743 311 38 - 350 1,198 1 - 1,200 2,284 7 - 2,291
Louisiana 192 220 114 525 13 20 - 34 425 188 409 1,023 1,607 31 263 1,901
Maine 257 - - 257 2 - - 2 778 - - 778 906 - - 906
Maryland 104 - 31 135 72 1 7 79 245 - 135 381 516 - 222 737
Massachusetts - - 53 53 - - 1 1 - - 97 97 - - 296 297
Michigan 178 258 108 544 168 90 78 336 1,202 10 884 2,096 4,165 78 541 4,784
Minnesota 85 343 141 569 7 22 10 40 1,715 402 1,222 3,339 5,156 67 1,334 6,557
Mississippi 242 24 301 567 - - - - 1,306 141 352 1,799 3,371 - 426 3,797
Missouri 8 167 666 841 34 411 654 1,098 715 114 1,030 1,859 3,405 44 550 3,998
Montana 1,087 18 - 1,105 - - - - 2,778 5 - 2,783 2,872 - - 2,872
Nebraska - 132 278 410 45 190 97 331 1,583 143 561 2,287 3,469 127 553 4,149
Nevada 431 23 2 456 - - - - 1,519 - - 1,519 721 - - 721
New Hampshire 129 - - 129 20 - - 20 290 - 20 309 609 - 6 615
New Jersey 20 - 25 45 28 - - 28 65 - 145 210 205 - 188 393
New Mexico 823 2 - 825 - - - - 1,833 23 - 1,856 2,197 1 - 2,198
New York 776 43 - 819 170 8 - 178 2,272 4 - 2,276 2,896 5 - 2,901
North Carolina 641 149 17 808 486 24 10 520 1,921 15 2 1,938 3,575 28 20 3,622
North Dakota - 317 188 505 - - - - 2,767 171 3 2,942 2,542 1 - 2,543
Ohio 225 91 308 624 131 87 107 324 954 54 520 1,528 2,308 20 296 2,624
Oklahoma 389 275 - 664 - - - - 1,744 503 - 2,247 2,515 117 17 2,649
Oregon 296 163 50 509 14 - - 14 2,652 5 4 2,661 2,274 2 30 2,307
Pennsylvania 242 163 750 1,156 64 181 150 394 613 91 1,259 1,963 2,644 24 2,092 4,760
Rhode Island - - 15 15 9 - - 9 71 - 16 86 58 - - 58
South Carolina 236 39 187 463 24 2 - 27 1,411 1 - 1,412 2,844 1 - 2,845
South Dakota 30 373 188 591 110 111 70 291 1,757 600 234 2,591 2,857 61 43 2,961
Tennessee 668 12 - 680 39 1 - 40 2,036 12 - 2,048 1,178 1 - 1,178
Texas 1,365 502 99 1,967 53 84 11 149 8,463 253 189 8,905 9,430 22 414 9,866
Utah 597 83 - 680 - 8 - 8 1,179 8 - 1,186 1,226 - - 1,226
Vermont 268 - - 268 1 - - 1 266 - 33 299 - - - -
Virginia 428 7 67 502 55 6 - 61 1,452 9 104 1,565 3,409 - 109 3,518
Washington 199 156 52 407 523 82 6 610 1,251 9 41 1,301 1,910 8 82 2,000
West Virginia 341 30 - 371 1 1 - 1 1,039 79 - 1,118 1,463 3 - 1,467
Wisconsin 91 167 266 524 50 67 94 211 1,858 548 654 3,061 4,138 109 663 4,910
Wyoming 616 144 43 803 - - - - 1,949 5 - 1,954 1,168 4 - 1,171
U.S. Total 18,180 5,638 5,599 29,417 3,275 1,777 1,500 6,552 73,029 5,187 13,227 91,443 112,721 1,594 15,978 130,293
Puerto Rico 37 20 - 57 - - - - 72 - - 72 278 - - 278
Grand Total 18,217 5,658 5,599 29,474 3,275 1,777 1,500 6,552 73,101 5,187 13,227 91,515 113,000 1,594 15,978 130,571

 

Miles by Type of Surface - Rural

October 17, 2025

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 - 11,966 - 259 12,224 12,224 108 4,635 4,742 3,478 39,555 43,033
Alaska 363 983 - - 983 1,347 894 536 1,430 8,740 548 9,287
Arizona 132 3,214 7 87 3,308 3,440 816 2,222 3,039 17,355 17,414 34,769
Arkansas 599 10,602 - 454 11,056 11,655 3,612 3,141 6,753 44,914 13,010 57,924
California - 5,825 - - 5,825 5,825 123 7,260 7,383 3,541 42,156 45,697
Colorado 956 4,396 4 - 4,400 5,357 6,366 2,389 8,755 41,662 4,700 46,362
Connecticut - 819 - 30 850 850 9 363 371 521 3,367 3,889
Delaware - 234 2 144 380 380 - 250 250 50 2,011 2,061
District of Columbia - - - - - - - - - - - -
Florida - 3,847 - - 3,847 3,847 1 3,207 3,208 9,026 20,442 29,468
Georgia - 11,984 22 346 12,352 12,352 915 6,108 7,023 25,798 26,637 52,435
Hawaii - 221 - - 221 221 - 79 79 - 1,025 1,025
Idaho 728 5,120 - - 5,120 5,848 2,107 1,656 3,763 7,215 31,164 38,379
Illinois 2,669 5,266 135 3,401 8,802 11,472 340 4,417 4,757 23,622 49,243 72,866
Indiana - 9,472 523 - 9,995 9,995 652 7,570 8,222 7,090 34,923 42,013
Iowa 1,465 4,546 5,339 2,838 12,723 14,187 11,875 4,039 15,913 57,711 5,822 63,533
Kansas - 12,065 82 151 12,299 12,299 8,327 1,049 9,376 79,598 5,714 85,312
Kentucky - 5,806 8 - 5,814 5,814 6 9,236 9,242 9,344 35,455 44,799
Louisiana 8 4,468 76 375 4,920 4,928 36 3,339 3,375 10,860 20,581 31,441
Maine - 3,220 - - 3,220 3,220 11 2,082 2,093 4,187 7,852 12,039
Maryland - 1,007 - 330 1,337 1,337 - 1,717 1,717 - 9,707 9,707
Massachusetts - 286 10 531 827 827 29 567 595 1,853 2,120 3,974
Michigan 2,923 13,115 63 76 13,254 16,177 1,101 3,135 4,236 41,552 13,860 55,412
Minnesota 816 14,307 401 81 14,789 15,605 3,722 8,142 11,864 67,756 11,760 79,516
Mississippi 274 10,817 - 755 11,572 11,846 297 2,001 2,298 15,518 28,966 44,484
Missouri - 15,741 66 411 16,219 16,219 4 6,246 6,250 2,975 73,013 75,988
Montana 1,808 5,084 - - 5,084 6,892 7,300 1,534 8,834 42,841 4,694 47,535
Nebraska 4,812 5,112 110 139 5,361 10,173 7,826 917 8,743 55,591 3,984 59,575
Nevada 128 2,127 - - 2,127 2,255 1,656 866 2,522 17,998 3,736 21,734
New Hampshire - 1,017 - 57 1,074 1,074 13 1,029 1,041 3,203 4,765 7,968
New Jersey - 849 - 32 881 881 1 337 338 200 3,499 3,699
New Mexico 37 4,330 17 - 4,347 4,383 721 2,390 3,111 43,321 4,651 47,972
New York - 5,699 4 - 5,702 5,702 53 9,238 9,291 9,275 34,517 43,792
North Carolina 39 8,067 1 - 8,067 8,107 23 6,179 6,202 5,756 42,423 48,179
North Dakota 4,717 7,336 82 4 7,422 12,139 - - - 65,080 2,347 67,427
Ohio - 10,889 3 117 11,010 11,010 131 6,091 6,222 13,240 38,152 51,391
Oklahoma 2,477 18,239 164 - 18,403 20,880 1,931 1,082 3,012 48,536 18,061 66,596
Oregon 1,109 7,152 - - 7,152 8,262 2,805 5,174 7,978 35,308 6,931 42,239
Pennsylvania - 6,050 25 1,866 7,941 7,941 18 6,960 6,978 140 51,690 51,831
Rhode Island - 131 8 4 142 142 - 136 136 50 918 968
South Carolina - 9,296 - - 9,296 9,296 - - - - - -
South Dakota 5,052 7,292 10 106 7,408 12,460 5,437 745 6,182 50,704 2,676 53,381
Tennessee - 2,043 3 - 2,045 2,045 205 9,530 9,735 6,552 38,373 44,925
Texas 306 34,195 93 244 34,532 34,838 100 14,612 14,713 78,315 59,079 137,394
Utah 4 2,391 1 - 2,392 2,397 1,745 1,734 3,479 21,688 4,766 26,454
Vermont - - - - - - 276 612 887 6,529 1,909 8,438
Virginia - 7,247 - - 7,247 7,247 - - - - - -
Washington - 7,558 8 52 7,618 7,618 1,470 4,716 6,186 24,878 9,655 34,533
West Virginia - 5,673 8 - 5,681 5,681 1,747 399 2,146 16,882 4,712 21,594
Wisconsin - 11,872 161 98 12,131 12,131 644 7,243 7,887 22,018 41,347 63,364
Wyoming - 2,144 15 - 2,159 2,159 - - - - - -
U.S. Total 31,422 331,122 7,449 12,990 351,560 382,982 75,450 166,906 242,357 1,052,472 883,931 1,936,403
Puerto Rico - 404 - - 404 404 2 189 191 360 3,425 3,785
Grand Total 31,422 331,526 7,449 12,990 351,964 383,387 75,452 167,095 242,547 1,052,832 887,356 1,940,188

 

Miles by Type of Surface - Urban

October 17, 2025

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 323 18 67 408 37 1 1 40 1,176 - 79 1,255 - 0 2,271 2 65 2,338 2,338
Alaska 82 - - 82 - - - - 143 - - 143 - 207 - - 207 207
Arizona 136 33 66 235 19 97 135 251 818 18 15 851 3 2,436 40 26 2,502 2,505
Arkansas 160 81 83 323 26 55 - 81 501 17 157 675 6 1,693 55 106 1,853 1,860
California 334 800 - 1,134 678 629 - 1,307 5,751 383 - 6,133 - 1,473 21 - 1,495 1,495
Colorado 199 134 - 333 226 96 - 322 863 256 - 1,118 3 1,752 80 17 1,849 1,853
Connecticut 126 2 189 317 65 2 179 246 351 - 361 712 - 1,349 - 326 1,676 1,676
Delaware 6 19 16 41 2 28 8 39 36 11 168 215 - 57 18 144 220 220
District of Columbia - 1 - 1 - 5 10 14 - 5 101 106 - 1 12 145 158 158
Florida 717 107 - 825 640 24 - 665 4,194 37 - 4,231 - 4,192 7 - 4,198 4,198
Georgia 375 223 - 598 105 68 1 175 1,885 74 28 1,987 - 4,038 59 179 4,276 4,276
Hawaii 28 21 - 49 32 2 - 34 257 21 - 278 - 201 1 - 201 201
Idaho 64 31 - 95 30 5 5 39 412 15 - 428 6 711 1 - 712 718
Illinois 38 246 646 929 16 20 69 104 204 479 2,140 2,823 8 461 363 3,233 4,057 4,065
Indiana 323 162 - 485 104 49 - 153 1,486 182 - 1,668 - 2,906 92 - 2,998 2,998
Iowa 18 110 60 188 - - - - 39 425 516 980 7 132 869 679 1,680 1,687
Kansas 61 80 110 251 41 57 114 213 129 78 101 308 - 891 217 200 1,308 1,308
Kentucky 172 82 - 255 42 16 - 58 645 45 - 690 - 1,325 38 - 1,363 1,363
Louisiana 158 195 64 417 22 81 10 113 323 327 332 982 - 982 475 360 1,818 1,818
Maine 110 - - 110 17 - - 17 131 - - 131 - 287 - - 287 287
Maryland 217 9 131 358 225 6 46 278 662 20 261 943 - 1,233 4 320 1,557 1,557
Massachusetts - - 513 513 - - 323 323 - - 1,957 1,957 - 735 12 3,271 4,019 4,019
Michigan 108 395 193 695 107 152 103 362 1,116 595 674 2,384 34 4,286 420 246 4,952 4,986
Minnesota 27 284 34 344 63 117 53 233 391 137 155 682 - 2,056 130 406 2,592 2,592
Mississippi 93 24 148 264 59 6 - 66 634 75 234 944 - 963 24 77 1,064 1,064
Missouri 14 109 415 538 8 124 380 511 153 142 596 892 1 1,692 169 298 2,159 2,159
Montana 87 - - 87 - - - - 218 28 - 246 - 268 5 - 273 273
Nebraska 5 46 23 73 2 97 46 144 53 173 98 324 7 335 332 13 680 687
Nevada 125 34 20 178 36 3 - 39 375 2 - 377 1 892 2 - 894 895
New Hampshire 96 - - 96 60 - - 60 239 - 5 243 - 466 - 28 494 494
New Jersey 295 12 79 386 347 22 92 460 672 14 1,063 1,749 - 3,178 22 339 3,539 3,539
New Mexico 169 4 - 173 12 - - 12 723 34 - 757 30 766 8 - 774 804
New York 824 117 - 941 665 152 - 817 3,115 70 - 3,185 - 5,383 54 - 5,437 5,437
North Carolina 384 179 60 624 249 55 26 330 1,674 16 3 1,693 - 2,792 13 11 2,817 2,817
North Dakota - 40 26 66 - - - - 111 93 13 216 6 153 127 3 283 290
Ohio 267 117 570 955 228 38 334 599 1,351 57 1,062 2,470 - 3,351 42 600 3,993 3,993
Oklahoma 139 167 3 309 66 119 - 185 801 340 - 1,141 13 1,798 325 - 2,124 2,137
Oregon 79 45 96 220 69 7 1 77 818 17 30 865 - 1,167 24 38 1,230 1,230
Pennsylvania 154 145 409 708 53 185 290 529 1,021 67 1,578 2,666 14 2,263 104 1,246 3,613 3,627
Rhode Island 26 - 28 54 45 - 27 72 272 - 79 351 - 335 2 15 351 351
South Carolina 164 123 81 369 93 8 - 102 1,191 7 - 1,198 - 1,886 2 - 1,888 1,888
South Dakota - 74 13 88 2 19 1 23 24 97 12 133 7 261 173 6 440 447
Tennessee 501 20 - 522 146 14 - 160 1,666 25 - 1,691 - 500 5 - 505 505
Texas 750 676 80 1,505 462 948 56 1,467 4,092 1,405 223 5,720 9 5,632 2,613 146 8,391 8,401
Utah 129 133 - 262 48 13 - 61 577 101 - 679 - 556 26 - 583 583
Vermont 52 - - 52 5 - - 5 65 - 23 88 - 5 - - 5 5
Virginia 312 51 254 616 360 14 21 394 1,281 42 109 1,431 - 2,361 30 28 2,419 2,419
Washington 152 156 48 355 367 47 16 430 1,097 71 287 1,455 - 2,503 45 200 2,748 2,748
West Virginia 170 12 - 182 4 9 - 13 286 46 - 332 - 584 14 - 598 598
Wisconsin 56 155 140 351 28 199 82 308 656 686 426 1,768 - 1,834 560 83 2,476 2,476
Wyoming 46 41 14 101 - - - - 156 42 - 198 - 43 10 - 54 54
U.S. Total 8,870 5,512 4,677 19,060 5,913 3,587 2,428 11,929 44,831 6,775 12,889 64,494 157 77,640 7,652 12,854 98,146 98,302
Puerto Rico 101 8 - 110 32 4 - 36 342 2 - 344 - 814 1 - 815 815
Grand Total 8,972 5,521 4,677 19,169 5,945 3,592 2,428 11,965 45,173 6,777 12,889 64,838 157 78,454 7,653 12,854 98,961 99,118

 

Miles by Type of Surface - Urban

October 17, 2025

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 - 3,619 2 21 3,642 3,642 - 229 - - 229 229 432 20,347 20,779
Alaska - 276 - - 276 276 8 233 - - 233 241 881 1,536 2,417
Arizona 9 2,484 18 213 2,714 2,723 48 2,260 14 210 2,483 2,531 1,217 21,102 22,319
Arkansas 66 2,145 40 44 2,229 2,295 46 238 4 3 245 291 1,395 10,522 11,917
California - 688 6 - 694 694 - - - - - - 36 70,045 70,081
Colorado 89 1,783 78 2 1,863 1,951 22 108 - 2 110 132 1,227 15,929 17,156
Connecticut - 1,728 2 106 1,836 1,836 - 367 - - 367 367 89 10,719 10,808
Delaware - 205 24 166 395 395 - 60 - 5 66 66 1 2,763 2,764
District of Columbia - - 7 147 155 155 - - - - - - 3 1,064 1,067
Florida 3 7,067 6 - 7,072 7,076 5 2,370 7 - 2,377 2,382 4,513 58,563 63,076
Georgia - 2,819 12 209 3,040 3,040 - 418 9 1 428 428 1,270 33,772 35,042
Hawaii - 256 5 - 261 261 - 188 1 - 189 189 - 1,858 1,858
Idaho 8 899 - - 899 907 - 28 - - 28 28 11 5,353 5,363
Illinois 252 1,193 308 2,971 4,471 4,723 249 362 124 825 1,310 1,559 571 35,094 35,665
Indiana - 3,112 40 - 3,152 3,152 - 753 10 - 763 763 69 18,348 18,418
Iowa 62 149 635 616 1,401 1,463 12 4 12 3 18 30 849 8,440 9,289
Kansas - 1,481 203 96 1,780 1,780 - 454 63 35 551 551 182 9,296 9,478
Kentucky - 1,420 13 - 1,434 1,434 - 496 1 - 497 497 156 11,092 11,248
Louisiana - 1,719 351 209 2,279 2,280 - 858 107 53 1,019 1,019 536 15,731 16,267
Maine - 511 - - 511 511 - 119 - - 119 119 139 2,253 2,393
Maryland - 1,631 10 165 1,805 1,805 - 510 1 8 519 519 1 14,127 14,128
Massachusetts - 1,491 14 1,535 3,040 3,040 - - - - - - 2,071 18,180 20,251
Michigan 203 3,584 200 92 3,876 4,078 25 129 1 1 131 156 11,822 13,868 25,689
Minnesota 36 2,448 54 - 2,502 2,538 34 1,773 28 - 1,801 1,835 1,638 15,131 16,769
Mississippi - 1,605 31 63 1,699 1,699 - 39 - 6 45 45 276 9,249 9,525
Missouri - 2,015 264 93 2,372 2,372 - 270 24 66 360 360 28 18,735 18,763
Montana 3 389 - - 389 392 2 36 - - 36 38 841 2,795 3,636
Nebraska 33 217 203 1 421 454 2 29 31 - 61 63 427 5,718 6,145
Nevada 1 20 - - 20 21 36 1,143 - - 1,143 1,179 1,178 6,795 7,973
New Hampshire - 575 - 6 581 581 - - - - - - 116 3,521 3,637
New Jersey - 2,756 2 57 2,815 2,815 - 394 - 1 395 395 12 23,818 23,830
New Mexico 5 842 16 - 858 863 4 319 2 - 321 325 2,532 6,306 8,838
New York - 5,387 36 - 5,424 5,424 - 239 1 - 240 240 399 33,541 33,940
North Carolina - 2,719 6 2 2,727 2,727 - 289 - - 289 289 351 30,549 30,900
North Dakota 6 328 107 7 442 448 - - - - - - 307 1,676 1,983
Ohio - 5,141 22 232 5,395 5,395 - 651 - - 651 651 3,847 30,191 34,038
Oklahoma 30 1,300 149 - 1,450 1,479 11 108 20 - 128 138 775 12,893 13,668
Oregon 2 1,893 40 8 1,941 1,943 10 625 - - 625 635 757 9,326 10,083
Pennsylvania 20 4,524 68 382 4,973 4,993 - - - - - - - 34,268 34,268
Rhode Island - 561 - 2 563 563 - 39 - - 39 39 16 3,547 3,563
South Carolina - 3,474 - - 3,474 3,474 - 125 - - 125 125 - - -
South Dakota 14 269 59 - 328 341 - - - - - - 205 2,129 2,334
Tennessee - 167 - - 167 167 - 4 - - 4 4 169 21,974 22,143
Texas 116 11,523 3,967 357 15,847 15,963 9 1,017 128 3 1,148 1,157 1,370 81,938 83,308
Utah - 893 14 - 908 908 - 412 - - 413 413 382 9,365 9,747
Vermont - 6 - - 6 6 - - - - - - 67 753 820
Virginia 4 2,868 20 - 2,888 2,892 9 934 2 - 936 945 - - -
Washington 5 2,549 90 173 2,812 2,816 6 268 - 1 269 275 356 17,216 17,572
West Virginia - 691 12 - 703 703 - 33 - - 33 33 1,191 339 1,529
Wisconsin - 2,257 415 - 2,672 2,672 - - - - - - 263 14,770 15,034
Wyoming - 22 - - 23 23 - 1 - - 1 1 - - -
U.S. Total 966 97,701 7,551 7,973 113,225 114,191 536 18,932 592 1,220 20,744 21,280 44,971 796,546 841,517
Puerto Rico - 908 5 - 912 912 - 13 - - 13 13 567 12,032 12,599
Grand Total 966 98,609 7,556 7,973 114,137 115,103 536 18,945 592 1,220 20,757 21,293 45,538 808,577 854,116

(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 Other Principal Arterial-- 289 miles-- Alaska, rural Minor Arterial-- 104 miles-- Alaska, 338 miles-- Colorado, 44 miles-- Michigan, 4 miles-- Nebraska, 3 miles-- North Carolina; urban Other Principal Arterial-- 1 mile-- Michigan, 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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