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Highway Statistics Series

Highway Statistics 2019


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Functional System Length - 2019 (1)
   Miles by Type of Surface - Rural

September 30, 2020

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 462 10 79 551 - - - - 2,012 - - 2,012 3,925 - - 3,925
Alaska 991 - - 991 - - - - 484 1 - 484 332 - - 332
Arizona 903 12 2 916 19 - - 19 1,255 7 1 1,263 2,180 5 - 2,186
Arkansas 260 93 85 438 - 63 - 63 1,570 25 282 1,877 2,903 9 155 3,067
California 926 287 - 1,213 291 125 - 416 3,232 111 - 3,342 6,064 9 - 6,073
Colorado 357 291 - 648 21 7 - 28 2,313 255 - 2,568 3,101 89 - 3,190
Connecticut 12 - 17 29 22 - 14 36 66 - 56 122 195 - 23 218
Delaware - - - - 3 23 3 29 18 - 81 99 13 6 70 89
District of Columbia - - - - - - - - - - - - - - - -
Florida 717 - - 717 177 - - 177 2,616 - - 2,616 2,192 - - 2,192
Georgia 40 281 216 537 - - - - 2,357 70 - 2,428 4,710 10 - 4,720
Hawaii - - - - - - - - 78 - - 78 255 - - 255
Idaho 433 84 2 519 106 2 4 112 1,645 - - 1,645 1,463 - - 1,463
Illinois 79 158 1,007 1,243 - 29 - 29 190 75 2,096 2,360 261 - 4,457 4,717
Indiana 679 106 - 785 122 31 - 154 1,893 65 - 1,957 2,096 7 - 2,104
Iowa - 242 299 541 - - - - 28 1,419 1,968 3,415 872 699 2,340 3,910
Kansas 388 209 43 640 93 192 119 403 2,041 136 451 2,629 3,966 15 252 4,233
Kentucky 655 - - 655 316 82 - 398 1,230 3 - 1,233 2,312 22 - 2,334
Louisiana 38 207 282 527 3 18 - 21 331 32 597 961 933 4 850 1,787
Maine 279 - - 279 3 - - 3 792 - - 792 941 - - 941
Maryland 103 - 39 142 60 1 9 69 193 1 127 321 464 - 243 707
Massachusetts - - 63 63 - - - - - - 99 99 - - 302 302
Michigan 119 315 128 562 166 93 85 343 1,183 15 932 2,130 3,644 133 1,071 4,848
Minnesota 74 310 203 588 7 14 13 34 1,676 482 1,296 3,454 4,996 81 1,588 6,665
Mississippi 491 34 54 579 - - - - 1,201 126 456 1,783 3,320 - 434 3,754
Missouri 10 154 678 841 37 389 697 1,123 821 172 886 1,880 3,593 118 305 4,016
Montana 1,073 22 - 1,095 - - - - 2,770 4 - 2,774 2,851 - - 2,851
Nebraska - 94 320 415 43 193 95 332 1,586 166 587 2,339 3,550 179 379 4,108
Nevada 425 26 - 450 - - - - 1,519 - - 1,519 726 - - 726
New Hampshire 142 - - 142 9 - - 9 303 - 20 323 625 - - 625
New Jersey 26 - 19 45 35 - - 35 46 - 114 160 135 - 172 307
New Mexico 837 7 - 843 - - - - 1,887 29 - 1,916 2,263 7 - 2,270
New York 594 - - 594 175 7 - 182 2,097 1 - 2,098 2,838 4 - 2,841
North Carolina 454 80 30 564 408 - 6 415 1,578 1 - 1,579 3,058 - 27 3,085
North Dakota 20 284 206 510 - - - - 2,767 161 15 2,943 2,524 2 - 2,526
Ohio 559 83 - 643 190 71 74 334 1,358 54 111 1,523 2,647 - 15 2,662
Oklahoma 394 248 4 646 - - - - 1,777 468 2 2,247 2,569 103 - 2,672
Oregon 298 150 48 495 - - - - 2,630 4 10 2,644 2,167 - 41 2,208
Pennsylvania 199 154 713 1,066 64 180 116 360 445 63 1,071 1,580 2,675 38 1,725 4,438
Rhode Island - - 18 18 11 - - 11 79 - 19 97 72 - - 72
South Carolina 160 101 285 546 43 5 - 47 1,544 2 - 1,546 2,984 4 - 2,988
South Dakota 30 371 190 591 111 105 75 291 1,810 568 215 2,593 2,887 39 35 2,961
Tennessee 644 1 - 645 14 - - 14 1,778 - - 1,779 31 - - 31
Texas 1,370 525 99 1,993 76 42 10 128 7,884 280 218 8,382 9,861 31 588 10,480
Utah 622 62 - 685 - 9 - 9 1,154 8 - 1,163 1,320 - - 1,320
Vermont 256 - - 256 2 - - 2 278 - 52 330 692 - 43 734
Virginia 479 7 112 598 85 7 - 92 1,456 4 163 1,623 3,478 - 111 3,589
Washington 225 136 68 429 554 53 6 612 1,248 9 56 1,313 1,985 9 67 2,061
West Virginia 289 30 - 319 - - - - 949 71 - 1,020 1,338 1 - 1,339
Wisconsin 88 136 288 512 34 80 90 203 1,797 584 489 2,870 4,047 130 587 4,764
Wyoming 582 212 13 807 - - - - 1,956 7 - 1,963 1,189 2 - 1,191
U.S. Total 17,782 5,521 5,608 28,911 3,300 1,820 1,414 6,533 71,922 5,480 12,469 89,870 113,240 1,754 15,881 130,875
Puerto Rico 20 27 - 47 - - - - 45 1 - 46 75 - - 75
Grand Total 17,802 5,548 5,608 28,958 3,300 1,820 1,414 6,533 71,966 5,481 12,469 89,916 113,315 1,754 15,881 130,951

 

Miles by Type of Surface - Rural

September 30, 2020

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 - 12,136 - - 12,137 12,137 6 5,906 5,912 16,843 29,722 46,565
Alaska 399 972 - - 972 1,370 896 531 1,427 8,900 649 9,549
Arizona 111 3,220 7 4 3,231 3,342 653 2,309 2,962 21,087 8,616 29,703
Arkansas 418 10,970 - 430 11,400 11,818 3,650 3,112 6,762 48,064 13,222 61,286
California - 9,277 36 - 9,313 9,313 - 7,487 7,487 2,040 38,757 40,797
Colorado 982 4,466 1 - 4,467 5,449 6,424 2,404 8,828 41,952 5,224 47,176
Connecticut - 832 - 24 856 856 9 410 419 592 3,418 4,010
Delaware - 205 9 173 388 388 - 255 255 65 1,926 1,991
District of Columbia - - - - - - - - - - - -
Florida - 4,023 - - 4,023 4,023 58 3,147 3,205 14,595 8,870 23,465
Georgia - 11,576 18 - 11,594 11,594 - 6,736 6,736 25,348 24,842 50,190
Hawaii - 220 - - 220 220 - 80 80 163 861 1,024
Idaho 824 5,107 - - 5,107 5,931 - 5 5 14,154 21,366 35,520
Illinois 2,666 5,479 151 3,346 8,977 11,643 358 4,355 4,713 23,018 48,402 71,420
Indiana - 9,881 46 - 9,927 9,927 - 8,613 8,613 - 43,014 43,014
Iowa 1,190 3,777 5,903 3,397 13,077 14,267 11,899 4,084 15,983 57,933 5,878 63,811
Kansas 1,113 4,725 36 216 4,977 6,090 8,333 1,061 9,394 80,693 5,757 86,450
Kentucky - 5,841 7 - 5,848 5,848 7 9,335 9,342 9,459 35,686 45,145
Louisiana - 3,516 57 1,360 4,934 4,934 6 3,357 3,363 23 28,245 28,268
Maine - 3,272 - - 3,272 3,272 15 2,087 2,102 4,239 7,973 12,212
Maryland - 878 - 417 1,295 1,295 15 1,688 1,703 661 8,684 9,345
Massachusetts - 11 304 541 856 856 32 586 618 1,988 2,225 4,213
Michigan 2,692 13,354 12 313 13,679 16,371 - 4,240 4,240 - 55,627 55,627
Minnesota 944 14,567 118 4 14,688 15,633 3,875 8,151 12,026 68,572 11,137 79,709
Mississippi 225 10,550 - 1,176 11,726 11,950 302 2,010 2,312 15,496 28,544 44,040
Missouri - 16,143 41 53 16,237 16,237 - 6,265 6,265 61,647 15,616 77,263
Montana 1,999 4,870 - - 4,870 6,869 7,364 1,452 8,816 42,640 4,328 46,968
Nebraska - 2,202 17 159 2,379 2,379 7,819 943 8,762 55,519 4,342 59,861
Nevada 133 2,126 - - 2,126 2,259 1,797 699 2,496 21,513 8,366 29,879
New Hampshire - 986 - 55 1,041 1,041 13 1,052 1,065 3,227 4,678 7,905
New Jersey - 723 - 51 775 775 1 337 338 200 3,587 3,787
New Mexico 162 4,333 19 - 4,351 4,514 557 2,562 3,119 43,231 4,644 47,875
New York - 5,631 8 - 5,639 5,639 59 9,235 9,294 9,576 33,702 43,278
North Carolina 47 7,446 - - 7,446 7,493 23 6,004 6,027 5,773 40,984 46,757
North Dakota 4,867 7,038 92 5 7,135 12,003 - - - 65,000 2,297 67,297
Ohio - 11,010 - - 11,010 11,010 114 6,188 6,302 15,455 37,558 53,013
Oklahoma 1,927 19,043 70 - 19,112 21,039 1,940 1,059 2,999 48,654 17,452 66,106
Oregon 935 7,239 - - 7,239 8,174 3,129 4,818 7,947 34,533 7,845 42,378
Pennsylvania - 5,333 15 1,816 7,163 7,163 15 6,938 6,953 1,013 49,781 50,794
Rhode Island - 161 7 4 172 172 - 152 152 43 800 843
South Carolina - 10,011 3 - 10,014 10,014 37 1,993 2,030 10,346 27,276 37,622
South Dakota 5,031 7,261 19 103 7,384 12,415 5,456 785 6,241 12,380 41,197 53,577
Tennessee - - - - - - 203 9,443 9,646 6,454 37,831 44,285
Texas - 34,216 67 825 35,108 35,108 76 14,753 14,829 80,956 53,863 134,819
Utah 175 3,068 - - 3,068 3,244 2,141 1,335 3,476 21,472 4,952 26,424
Vermont 53 1,850 - 69 1,919 1,972 285 619 904 6,692 1,862 8,554
Virginia - 7,418 2 - 7,420 7,420 71 4,852 4,923 7,040 23,262 30,302
Washington 81 7,898 12 93 8,004 8,085 1,274 4,957 6,231 26,346 11,263 37,609
West Virginia 44 5,474 5 - 5,480 5,524 73 2,081 2,154 9,604 12,229 21,833
Wisconsin - 11,225 141 687 12,053 12,053 635 7,721 8,356 22,104 40,757 62,861
Wyoming - 2,594 4 - 2,598 2,598 6,747 1,950 8,697 9,484 2,332 11,816
U.S. Total 27,019 324,155 7,231 15,322 346,709 373,728 76,367 180,142 256,509 1,076,787 931,449 2,008,236
Puerto Rico - 55 1 - 56 56 1 240 241 360 2,044 2,404
Grand Total 27,019 324,211 7,232 15,322 346,765 373,784 76,368 180,382 256,750 1,077,147 933,493 2,010,640

 

Miles by Type of Surface - Urban

September 30, 2020

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 317 6 82 404 28 1 1 30 1,275 - - 1,275 - 2,192 4 - 2,196 2,196
Alaska 79 - - 79 - - - - 140 - - 140 2 197 - - 197 198
Arizona 190 7 55 252 51 36 165 252 831 18 5 854 2 2,501 33 6 2,540 2,543
Arkansas 130 100 64 294 33 60 - 93 445 19 159 623 1 1,644 49 136 1,830 1,830
California 528 680 - 1,209 804 562 - 1,367 6,053 181 - 6,234 - 2,411 8 - 2,419 2,419
Colorado 198 106 - 304 258 66 - 324 798 270 - 1,068 3 1,671 110 25 1,806 1,810
Connecticut 125 2 191 318 68 1 175 244 328 - 383 712 - 1,355 - 317 1,672 1,672
Delaware 6 18 17 41 7 26 7 39 56 24 134 213 - 51 17 153 221 221
District of Columbia - 3 9 12 2 3 10 15 2 5 99 107 - 1 13 148 161 161
Florida 686 92 - 778 563 23 - 587 3,941 30 - 3,971 - 4,221 9 - 4,230 4,230
Georgia 86 278 345 710 78 98 - 176 2,304 51 - 2,356 - 4,729 75 - 4,805 4,805
Hawaii 27 28 - 55 32 2 - 34 250 18 - 269 - 192 1 - 192 192
Idaho 66 25 - 92 26 2 1 29 409 15 - 424 1 669 - - 670 670
Illinois 36 234 642 911 14 30 66 109 32 369 2,461 2,862 8 525 362 3,268 4,156 4,164
Indiana 321 172 - 493 112 50 - 161 1,614 159 - 1,773 - 3,025 69 - 3,094 3,094
Iowa 30 74 35 139 - - - - 55 342 435 832 4 178 792 695 1,665 1,669
Kansas 58 83 93 234 37 67 88 193 115 87 102 304 7 947 238 140 1,325 1,332
Kentucky 16 62 - 78 36 28 - 64 604 43 - 647 - 1,314 43 - 1,357 1,357
Louisiana 60 211 72 342 - 31 11 42 165 269 252 685 - 409 386 504 1,298 1,298
Maine 87 - - 87 16 - - 16 130 - - 130 - 247 - - 247 247
Maryland 169 10 160 338 222 4 85 311 687 9 328 1,024 - 1,246 3 323 1,572 1,572
Massachusetts - - 498 498 - - 303 303 - - 1,842 1,842 - 36 756 3,189 3,981 3,981
Michigan 66 333 277 675 94 151 109 354 940 612 810 2,362 116 4,043 419 365 4,828 4,943
Minnesota 38 239 48 325 53 111 57 220 361 124 134 618 4 2,010 197 359 2,566 2,569
Mississippi 198 34 21 253 55 5 4 64 581 92 279 952 - 882 36 174 1,092 1,092
Missouri 17 121 399 537 10 140 344 494 184 155 524 863 1 1,662 166 324 2,151 2,152
Montana 92 6 - 98 - - - - 234 23 - 257 - 285 6 - 291 292
Nebraska 1 47 21 69 - 87 43 130 38 156 119 313 - 8 31 12 51 51
Nevada 103 42 18 163 50 5 - 55 378 1 - 379 1 890 2 - 892 893
New Hampshire 83 - - 83 74 - - 74 218 - 5 223 - 467 - 24 491 491
New Jersey 287 14 86 387 343 23 87 453 763 12 1,022 1,798 - 3,151 19 461 3,630 3,630
New Mexico 148 8 - 156 11 - - 12 656 46 - 702 32 700 10 - 710 743
New York 425 154 - 579 633 149 - 782 3,059 102 - 3,161 - 5,387 85 - 5,472 5,472
North Carolina 468 204 114 787 375 47 28 451 1,985 12 2 1,999 2 3,384 35 12 3,431 3,434
North Dakota - 38 23 61 - - - - 103 96 8 207 23 178 110 4 292 315
Ohio 805 122 5 931 446 48 87 580 2,236 79 129 2,444 - 3,803 128 31 3,963 3,963
Oklahoma 141 132 9 282 39 149 - 188 869 297 9 1,175 16 1,863 365 13 2,240 2,257
Oregon 85 49 101 234 54 7 1 62 805 17 28 851 - 1,250 31 6 1,286 1,286
Pennsylvania 185 153 459 797 44 223 288 554 1,030 121 1,721 2,871 16 2,310 68 1,675 4,053 4,068
Rhode Island 28 - 24 52 48 - 17 65 270 - 73 343 - 322 3 16 340 340
South Carolina 95 77 132 304 77 8 - 85 1,052 12 - 1,064 - 1,774 1 - 1,775 1,775
South Dakota - 75 12 88 2 15 1 18 26 95 16 136 14 255 171 6 432 447
Tennessee 539 17 - 557 164 9 - 173 1,833 11 - 1,845 - 82 4 - 86 86
Texas 803 604 52 1,458 446 915 40 1,402 4,550 1,470 219 6,239 11 5,389 2,555 101 8,045 8,057
Utah 113 140 - 253 37 11 - 48 550 110 - 660 - 637 34 - 671 671
Vermont 64 - - 64 16 - - 16 98 - 29 127 - 105 - 44 148 148
Virginia 212 57 243 512 310 11 16 337 1,235 35 65 1,335 - 2,204 27 25 2,256 2,256
Washington 135 166 34 335 359 50 11 420 1,134 47 263 1,443 - 2,522 35 171 2,727 2,727
West Virginia 210 23 - 233 5 9 - 14 352 53 - 405 - 672 24 - 697 697
Wisconsin 66 133 157 356 34 180 82 297 766 703 468 1,937 - 1,654 597 358 2,608 2,608
Wyoming 45 56 5 106 3 - - 3 176 55 - 231 - 81 30 - 111 111
U.S. Total 8,665 5,233 4,502 18,400 6,171 3,446 2,127 11,743 46,716 6,443 12,123 65,282 263 77,730 8,157 13,084 98,970 99,233
Puerto Rico 149 101 - 250 44 11 - 55 379 16 - 395 - 550 10 - 560 560
Grand Total 8,814 5,334 4,502 18,650 6,215 3,457 2,127 11,798 47,096 6,459 12,123 65,677 263 78,280 8,166 13,084 99,530 99,794

 

Miles by Type of Surface - Urban

September 30, 2020

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 - 3,412 2 - 3,414 3,414 - 181 - - 181 181 18 21,413 21,431
Alaska - 251 - - 251 251 9 226 - - 226 235 746 1,504 2,250
Arizona 7 2,744 10 52 2,807 2,814 77 2,576 5 8 2,589 2,665 958 16,171 17,129
Arkansas 104 1,999 50 16 2,065 2,169 46 187 2 5 194 239 1,488 10,522 12,010
California - 8,532 2 - 8,533 8,533 - 282 1 - 283 283 1,100 69,758 70,858
Colorado 35 1,737 78 2 1,817 1,852 10 54 - 1 55 66 1,033 14,440 15,473
Connecticut - 1,693 4 122 1,819 1,819 - 316 - - 316 316 90 10,718 10,808
Delaware - 220 34 152 406 406 - 51 1 13 65 65 5 2,641 2,646
District of Columbia - 2 5 148 155 155 - - - - - - 3 1,059 1,062
Florida 6 6,419 38 - 6,457 6,464 4 1,858 17 - 1,875 1,880 1,376 67,418 68,794
Georgia - 3,689 21 - 3,710 3,710 - 728 2 - 731 731 2,218 37,552 39,770
Hawaii - 258 5 - 263 263 - 188 1 - 189 190 11 1,828 1,839
Idaho 5 760 - - 760 765 - 11 - - 11 11 196 5,132 5,328
Illinois 233 1,223 301 3,033 4,556 4,789 245 376 121 752 1,249 1,493 466 34,796 35,262
Indiana - 3,399 10 - 3,409 3,409 - 844 - - 844 844 - 20,555 20,555
Iowa 81 120 577 550 1,247 1,327 - - - - - - 847 7,832 8,679
Kansas 68 1,291 206 110 1,607 1,675 46 294 54 31 379 425 430 9,408 9,838
Kentucky - 1,385 3 - 1,388 1,388 - 404 - - 404 404 162 10,689 10,851
Louisiana 27 1,247 316 196 1,759 1,787 - 616 147 128 891 891 5 17,352 17,357
Maine - 509 - - 509 509 - 71 - - 71 71 122 2,034 2,156
Maryland - 1,687 12 153 1,852 1,852 - 506 1 36 542 542 102 13,036 13,138
Massachusetts - 28 1,500 1,486 3,014 3,014 - - - - - - 2,751 17,932 20,683
Michigan 298 3,291 158 172 3,621 3,919 58 65 - 3 68 126 - 25,638 25,638
Minnesota 11 2,136 62 - 2,198 2,209 14 780 9 - 788 802 1,325 15,175 16,500
Mississippi - 1,426 37 117 1,581 1,581 - 10 - - 10 10 252 8,865 9,117
Missouri 2 1,948 238 128 2,314 2,316 - 220 38 38 296 296 357 17,508 17,865
Montana 3 400 - - 400 403 4 50 - - 50 54 513 2,657 3,170
Nebraska - 1 5 - 6 6 - - - - - - 394 5,528 5,922
Nevada 1 49 - - 49 49 50 1,147 - - 1,147 1,197 5,514 2,144 7,658
New Hampshire - 533 - 8 541 541 - - - - - - 97 3,565 3,662
New Jersey - 2,645 - 278 2,923 2,923 - 399 - 3 402 402 12 23,898 23,910
New Mexico 2 838 16 - 855 857 7 301 1 - 302 309 2,404 6,107 8,511
New York - 5,443 43 - 5,486 5,486 - 250 - - 250 250 446 33,157 33,603
North Carolina 2 3,353 8 2 3,364 3,366 2 452 - - 452 454 494 30,695 31,189
North Dakota 27 237 63 4 304 331 - - - - - - 297 1,675 1,972
Ohio - 5,151 127 94 5,372 5,372 - 612 1 - 613 613 1,510 32,121 33,631
Oklahoma 47 1,268 215 - 1,483 1,530 11 108 12 - 120 131 825 12,484 13,309
Oregon 3 2,057 40 25 2,122 2,125 1 504 - - 504 505 869 9,266 10,135
Pennsylvania 20 5,152 29 611 5,792 5,812 - - - - - - 19 34,182 34,201
Rhode Island - 540 - 2 542 542 - 35 - - 35 35 26 3,235 3,261
South Carolina - 2,816 1 - 2,817 2,817 - 76 - - 76 76 1,261 17,057 18,318
South Dakota 21 268 53 - 321 342 - - - - - - 244 2,025 2,269
Tennessee - 6 - - 6 6 - - - - - - 173 22,878 23,051
Texas 33 11,605 4,071 149 15,826 15,859 1 999 125 - 1,124 1,124 2,168 73,381 75,549
Utah - 1,088 5 - 1,094 1,094 1 501 - - 501 503 449 8,513 8,962
Vermont 2 232 - 12 244 246 1 31 - - 31 32 99 770 869
Virginia 3 2,498 5 - 2,503 2,506 8 754 2 - 755 763 163 18,769 18,932
Washington 2 2,422 100 199 2,721 2,722 4 214 - - 214 218 445 15,996 16,441
West Virginia - 837 9 - 846 847 - 57 - - 57 57 269 4,070 4,339
Wisconsin 7 2,286 380 157 2,823 2,830 - - - - - - 306 15,326 15,632
Wyoming - 175 - - 175 175 - 2 1 - 3 3 248 1,362 1,610
U.S. Total 1,052 103,308 8,838 7,978 120,123 121,176 601 17,336 540 1,017 18,894 19,494 35,306 841,837 877,143
Puerto Rico - 506 3 - 509 509 - - - - - - 565 11,750 12,315
Grand Total 1,052 103,814 8,841 7,978 120,632 121,684 601 17,336 540 1,017 18,894 19,494 35,871 853,587 889,458

(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-- 315 miles-- Alaska, 15 miles-- Indiana; rural Minor Arterial-- 99 miles-- Alaska, 284 miles-- Colorado, 4 miles-- Idaho, 39 miles-- Michigan, 7 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 pavement; 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).

Page last modified on November 23, 2020
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