U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000

Skip to content
Facebook iconYouTube iconTwitter iconFlickr iconLinkedInInstagram

Policy and Governmental Affairs
Office of Highway Policy Information

FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2022 / Table HM-47A - Highway Statistics 2022

Highway Statistics Series

Highway Statistics 2022


Download Excel Version [146 KB]
Printable PDF Version [222 KB]

NATIONAL HIGHWAY SYSTEM LENGTH - 2022
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - RURAL

January 29, 2024

(THOUSANDS)

INTERNATIONAL ROUGHNESS INDEX (IRI) (1)

Table HM-47A (Sheet 1 of 4)
STATE INTERSTATE SYSTEM OTHER
NOT REPORTED (2) < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED NOT REPORTED (2) < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED
Alabama 7 15,473 1,460 723 450 211 132 45 77 18,570 25 9,280 4,587 892 396 187 72 46 37 15,497
Alaska - 871 857 264 144 75 34 18 23 2,287 43 201 379 102 53 36 24 16 27 838
Arizona 193 13,231 4,370 1,450 911 535 235 178 184 21,094 68 3,032 3,679 1,860 1,024 550 258 142 131 10,677
Arkansas - 7,682 2,917 810 524 314 160 75 148 12,630 - 3,287 4,963 1,557 721 394 176 95 129 11,324
California 15 17,621 15,368 6,494 3,820 2,186 1,171 776 750 48,187 313 11,295 20,276 7,949 4,231 2,235 1,033 609 685 48,312
Colorado - 2,093 6,302 2,699 1,327 660 430 203 283 13,998 - 2,788 5,646 2,384 1,391 768 300 170 178 13,626
Connecticut - 908 311 39 37 9 3 - 1 1,306 - 433 808 321 176 76 40 24 15 1,893
Delaware - - - - - - - - - - - 687 1,597 494 164 93 74 23 39 3,171
District of Columbia - - - - - - - - - - - - - - - - - - - -
Florida 101 28,484 3,821 547 249 57 27 22 11 33,219 - 17,953 10,663 2,286 870 349 140 57 72 32,390
Georgia - 16,256 5,794 851 449 243 66 31 30 23,721 - 8,809 7,915 2,229 940 321 109 57 50 20,431
Hawaii - - - - - - - - - - 11 43 400 220 89 52 33 16 23 876
Idaho 70 5,328 2,090 399 172 60 33 11 23 8,116 178 3,107 2,841 700 300 145 67 35 37 7,230
Illinois - 17,264 6,691 1,582 535 330 161 66 106 26,735 1 2,716 3,667 1,655 993 597 300 190 212 10,331
Indiana 9 25,924 11,686 3,849 1,906 902 376 299 320 45,263 53 8,317 5,346 1,742 844 312 120 47 25 16,755
Iowa - 5,784 5,667 1,733 669 264 96 56 60 14,329 75 3,685 6,196 3,485 1,893 901 419 229 230 17,040
Kansas 7 6,777 2,551 689 367 96 37 21 10 10,549 6 6,805 4,021 783 326 175 81 57 55 12,303
Kentucky 54 17,658 3,849 1,059 557 297 183 76 62 23,741 32 7,708 4,246 883 364 152 56 43 24 13,475
Louisiana 21 8,302 4,825 3,484 1,978 1,332 473 176 96 20,666 10 1,073 2,866 1,537 997 608 354 221 267 7,923
Maine - 5,001 763 89 19 18 - 7 2 5,900 2 2,342 1,501 466 262 176 96 72 120 5,035
Maryland - 2,717 2,219 444 197 96 19 22 38 5,750 8 3,510 2,581 405 145 92 59 30 63 6,887
Massachusetts - 1,377 471 125 78 43 22 33 16 2,165 - 581 752 273 154 79 40 29 33 1,941
Michigan 44 7,392 4,494 1,034 869 507 248 180 116 14,840 46 11,061 5,631 1,330 554 334 205 111 113 19,339
Minnesota - 5,856 3,787 505 152 39 22 1 4 10,366 - 8,307 6,908 2,219 1,027 457 181 91 72 19,262
Mississippi - 8,395 3,097 840 444 284 134 65 46 13,304 2 4,608 5,697 1,849 1,111 747 391 198 168 14,769
Missouri - 16,981 3,667 868 346 193 97 52 18 22,222 - 12,297 8,384 1,910 810 398 140 75 55 24,070
Montana - 4,174 2,682 453 213 88 26 13 3 7,651 - 2,824 3,130 841 347 136 69 30 39 7,415
Nebraska - 4,249 3,025 892 315 109 43 11 9 8,654 43 2,481 3,478 1,348 749 363 170 117 143 8,849
Nevada - 6,116 500 109 59 29 9 4 2 6,830 - 3,445 1,294 237 131 53 25 19 12 5,217
New Hampshire - 2,748 238 65 18 13 2 - - 3,084 - 2,189 1,120 271 114 63 39 18 18 3,831
New Jersey - 1,333 1,470 312 101 72 9 5 - 3,302 - 1,361 1,106 294 127 85 30 27 24 3,054
New Mexico - 8,346 2,795 914 520 331 145 121 99 13,271 - 3,310 3,418 1,015 492 311 161 75 133 8,914
New York 84 6,876 5,183 1,551 915 527 225 129 148 15,555 71 1,798 6,088 2,240 1,088 578 271 159 140 12,362
North Carolina 3 14,021 3,751 504 304 117 74 48 52 18,870 244 9,223 10,830 3,333 1,279 507 224 124 108 25,627
North Dakota - 2,725 1,172 245 67 18 6 5 5 4,243 - 2,665 2,030 415 152 60 22 13 22 5,381
Ohio 1 15,766 5,659 1,361 672 367 136 78 93 24,131 5 7,740 6,399 2,160 932 430 175 88 60 17,985
Oklahoma 279 7,616 5,847 1,069 541 261 167 81 58 15,639 282 3,444 6,266 2,498 1,356 764 366 252 304 15,250
Oregon - 7,203 3,131 574 150 75 43 14 14 11,205 7 4,723 5,462 1,355 538 230 100 63 55 12,526
Pennsylvania - 13,431 8,068 2,006 1,190 689 362 215 306 26,268 5 4,566 7,938 2,735 1,313 588 408 195 282 18,024
Rhode Island - 574 128 62 17 - - - - 781 12 150 164 99 117 106 75 44 36 791
South Carolina 978 14,958 4,935 1,468 885 559 278 85 38 23,207 56 4,086 5,988 1,812 885 411 174 84 72 13,511
South Dakota - 3,503 2,614 221 74 34 17 7 3 6,475 1 2,016 2,079 711 335 144 71 39 30 5,425
Tennessee 4 20,679 2,776 735 394 243 103 47 73 25,049 4 6,226 4,962 1,174 575 316 141 99 62 13,555
Texas 166 24,167 22,444 5,695 1,997 906 352 159 75 55,795 273 26,536 26,403 9,105 3,913 1,783 744 353 269 69,106
Utah - 6,458 3,472 777 202 64 19 9 13 11,014 - 1,670 2,648 991 463 232 72 27 28 6,131
Vermont 1 2,218 676 111 50 34 17 18 6 3,131 2 669 733 206 106 59 25 17 75 1,890
Virginia - 12,437 10,690 1,854 504 166 59 26 20 25,756 - 3,907 10,475 3,191 1,213 425 136 59 32 19,438
Washington - 6,971 4,084 1,159 575 301 182 168 196 13,636 3 2,793 5,308 2,116 791 350 116 91 81 11,646
West Virginia 9 2,738 1,325 269 150 98 49 27 38 4,695 46 1,059 1,857 847 458 239 128 83 75 4,747
Wisconsin - 8,680 4,817 1,978 789 343 167 59 44 16,877 71 6,892 6,108 3,806 2,543 1,310 543 284 251 21,738
Wyoming - 4,718 1,635 535 220 104 42 15 11 7,281 138 1,522 1,910 531 208 84 29 17 22 4,322
U.S. Total 2,048 440,078 200,174 55,499 27,124 14,297 6,692 3,760 3,732 751,357 2,137 241,219 248,744 82,866 40,062 19,860 9,083 5,062 5,235 652,129
Puerto Rico - 113 459 289 172 126 95 99 314 1,668 1 - 59 137 147 144 84 76 155 802
Grand Total 2,048 440,191 200,633 55,788 27,296 14,423 6,788 3,860 4,046 753,025 2,138 241,219 248,803 83,002 40,209 20,004 9,167 5,138 5,389 652,931

NATIONAL HIGHWAY SYSTEM LENGTH - 2022
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - RURAL

January 29, 2024

(THOUSANDS)

INTERNATIONAL ROUGHNESS INDEX (IRI) (1)

Table HM-47A (Sheet 2 of 4)
STATE TOTAL RURAL NHS
NOT REPORTED (2) < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED
Alabama 32 24,753 6,047 1,616 846 398 204 91 113 34,068
Alaska 43 1,072 1,236 367 197 111 58 34 51 3,125
Arizona 261 16,263 8,048 3,309 1,935 1,085 494 320 315 31,770
Arkansas - 10,969 7,880 2,367 1,245 708 337 169 277 23,953
California 329 28,916 35,644 14,442 8,051 4,421 2,205 1,385 1,436 96,500
Colorado - 4,881 11,948 5,084 2,718 1,428 730 373 462 27,623
Connecticut - 1,341 1,119 359 212 84 43 24 16 3,199
Delaware - 687 1,597 494 164 93 74 23 39 3,171
District of Columbia - - - - - - - - - -
Florida 101 46,437 14,484 2,834 1,119 406 167 80 84 65,609
Georgia - 25,065 13,710 3,079 1,389 565 175 89 81 44,152
Hawaii 11 43 400 220 89 52 33 16 23 876
Idaho 249 8,435 4,931 1,098 472 204 100 46 60 15,346
Illinois 1 19,980 10,358 3,237 1,528 927 461 256 318 37,066
Indiana 62 34,241 17,032 5,592 2,750 1,215 496 346 345 62,017
Iowa 75 9,469 11,864 5,219 2,562 1,165 515 285 290 31,368
Kansas 13 13,582 6,571 1,472 693 271 118 79 66 22,852
Kentucky 85 25,366 8,094 1,942 921 448 239 119 86 37,216
Louisiana 31 9,375 7,691 5,021 2,975 1,940 827 397 363 28,589
Maine 2 7,344 2,264 555 281 194 96 79 122 10,935
Maryland 8 6,227 4,800 849 342 188 78 52 101 12,637
Massachusetts - 1,958 1,223 398 232 121 62 62 48 4,105
Michigan 90 18,454 10,124 2,365 1,423 841 453 291 229 34,180
Minnesota - 14,163 10,695 2,725 1,179 496 202 92 75 29,628
Mississippi 2 13,002 8,794 2,689 1,555 1,030 525 263 213 28,073
Missouri - 29,279 12,051 2,778 1,156 591 237 127 74 46,292
Montana - 6,998 5,812 1,294 559 224 95 42 42 15,066
Nebraska 43 6,730 6,503 2,240 1,064 472 214 128 153 17,503
Nevada - 9,561 1,795 346 190 83 34 24 14 12,047
New Hampshire - 4,936 1,358 336 133 76 40 18 18 6,915
New Jersey - 2,693 2,576 606 228 156 39 32 24 6,356
New Mexico - 11,656 6,213 1,928 1,012 642 306 196 231 22,185
New York 155 8,674 11,271 3,791 2,003 1,105 496 288 288 27,916
North Carolina 247 23,244 14,581 3,837 1,582 625 298 172 159 44,498
North Dakota - 5,390 3,202 661 220 78 28 18 27 9,624
Ohio 6 23,507 12,058 3,521 1,604 796 311 166 153 42,116
Oklahoma 560 11,060 12,113 3,567 1,897 1,025 533 333 362 30,889
Oregon 7 11,925 8,594 1,929 688 306 144 77 69 23,731
Pennsylvania 5 17,997 16,006 4,741 2,504 1,277 770 410 589 44,292
Rhode Island 12 724 292 161 134 106 75 44 36 1,572
South Carolina 1,034 19,043 10,923 3,280 1,770 970 452 169 110 36,717
South Dakota 1 5,519 4,693 932 409 179 88 47 33 11,899
Tennessee 8 26,905 7,737 1,909 969 558 244 146 135 38,604
Texas 439 50,703 48,848 14,799 5,910 2,689 1,096 512 344 124,901
Utah - 8,127 6,121 1,768 666 295 91 36 41 17,144
Vermont 3 2,886 1,409 317 156 93 43 35 81 5,021
Virginia - 16,343 21,165 5,046 1,717 590 195 86 53 45,195
Washington 3 9,764 9,392 3,275 1,366 651 298 259 277 25,282
West Virginia 55 3,797 3,182 1,117 608 337 178 110 113 9,442
Wisconsin 71 15,572 10,926 5,784 3,332 1,653 710 344 295 38,616
Wyoming 138 6,240 3,545 1,066 428 188 71 32 33 11,604
U.S. Total 4,185 681,297 448,918 138,364 67,186 34,157 15,775 8,822 8,967 1,403,486
Puerto Rico 1 113 518 426 319 270 180 175 469 2,470
Grand Total 4,186 681,409 449,436 138,790 67,505 34,427 15,955 8,998 9,436 1,405,956

NATIONAL HIGHWAY SYSTEM LENGTH - 2022
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - URBAN

January 29, 2024

(THOUSANDS)

INTERNATIONAL ROUGHNESS INDEX (IRI) (1)

Table HM-47A (Sheet 3 of 4)
STATE INTERSTATE SYSTEM OTHER
NOT REPORTED (2) < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED NOT REPORTED (2) < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED
Alabama 23 17,221 3,706 1,702 1,040 656 393 383 517 25,618 2,003 9,398 9,720 2,587 1,372 810 400 211 244 24,743
Alaska - 925 764 255 82 37 11 - 2 2,075 75 361 675 424 310 190 133 101 172 2,366
Arizona 1,085 10,168 6,674 2,626 1,913 660 199 48 51 22,337 838 13,364 12,018 5,117 4,078 2,888 1,858 1,232 1,532 42,089
Arkansas - 6,554 4,201 2,211 1,494 1,005 504 391 392 16,752 1 1,614 4,164 1,930 1,176 861 571 459 1,172 11,947
California 1,777 31,360 61,404 35,632 26,168 16,687 9,606 5,248 4,952 191,057 7,380 26,123 59,081 42,295 39,027 32,209 22,554 18,264 45,030 284,583
Colorado - 4,536 8,907 4,511 3,953 2,787 1,217 524 574 27,008 9 3,297 11,805 7,344 5,672 3,697 2,506 1,629 3,343 39,292
Connecticut - 10,944 9,705 2,770 1,292 780 245 195 161 26,093 19 3,464 7,911 3,409 2,201 1,430 862 497 897 20,671
Delaware 175 1,281 1,078 563 285 200 128 65 127 3,727 11 1,175 3,399 1,444 787 404 200 137 315 7,860
District of Columbia 142 - 223 224 229 129 232 56 92 1,184 160 51 78 110 210 342 330 379 1,876 3,374
Florida 3,073 50,775 24,116 5,320 2,662 1,377 783 235 80 85,347 180 51,345 66,226 22,939 11,980 7,029 3,742 2,145 3,146 168,553
Georgia - 44,527 15,779 4,974 2,557 1,326 627 202 142 70,134 - 18,692 22,060 8,203 4,185 2,426 1,196 759 1,122 58,643
Hawaii 1 105 1,056 1,062 943 968 505 214 171 5,023 34 680 1,522 1,111 915 921 573 409 864 6,994
Idaho 11 2,548 1,929 216 161 81 14 8 8 4,967 558 911 1,459 541 336 252 125 100 156 3,880
Illinois 10 19,742 27,186 8,591 5,124 3,541 1,950 1,255 1,185 68,576 13 4,666 12,172 9,803 8,167 5,957 4,011 3,085 7,118 54,978
Indiana - 12,015 6,997 3,479 1,939 1,267 398 197 254 26,546 33 2,652 2,392 889 547 305 122 91 87 7,085
Iowa 17 2,389 3,371 1,335 625 373 109 68 47 8,318 57 1,282 2,582 2,101 1,557 1,026 670 471 966 10,656
Kansas 47 5,211 2,729 1,145 711 303 232 67 49 10,447 379 2,624 2,518 1,263 732 601 345 189 296 8,570
Kentucky 6 8,463 5,106 1,988 1,203 903 427 232 217 18,539 652 2,997 5,221 2,041 1,337 890 554 408 488 13,937
Louisiana 258 8,241 5,712 3,384 3,572 3,647 2,109 1,257 1,336 29,258 963 1,794 4,804 3,430 3,142 2,726 2,011 1,738 4,013 23,657
Maine - 2,551 561 162 63 35 13 2 12 3,399 8 517 654 319 262 211 108 83 166 2,320
Maryland 10 15,745 15,040 3,760 2,016 1,059 682 546 1,250 40,099 170 10,451 14,192 5,434 3,519 2,614 1,916 1,526 4,664 44,316
Massachusetts 50 29,519 7,275 2,104 1,495 1,094 625 404 538 43,055 451 9,887 8,277 4,306 4,135 3,860 2,886 2,436 7,828 43,616
Michigan 10 14,943 16,534 4,575 2,854 1,657 1,038 641 807 43,049 5,839 8,577 16,082 9,457 6,506 4,682 3,199 2,495 4,360 55,357
Minnesota 27 8,485 10,286 2,328 1,253 656 166 125 72 23,372 2 7,519 9,181 3,651 1,649 785 349 201 218 23,552
Mississippi - 6,395 2,610 771 623 520 217 172 135 11,443 16 2,937 4,360 2,362 1,590 1,171 684 496 1,052 14,653
Missouri - 20,305 10,576 3,045 1,990 1,365 628 522 207 38,638 - 8,017 9,630 4,207 2,720 2,083 1,344 830 1,334 30,165
Montana - 1,048 539 110 64 29 - 1 - 1,792 - 543 954 460 321 275 169 127 227 3,075
Nebraska - 1,132 1,792 1,024 288 197 61 18 14 4,524 1,390 359 1,384 1,001 916 887 664 624 2,008 7,843
Nevada - 4,693 3,417 1,741 1,444 657 356 165 45 12,518 - 4,247 3,983 2,102 1,515 954 496 309 409 14,015
New Hampshire - 4,854 471 84 8 21 - - - 5,438 - 4,369 1,494 579 352 189 119 71 136 7,309
New Jersey - 18,879 13,038 3,097 2,136 1,453 998 804 1,029 41,435 3 21,288 23,532 9,197 6,719 5,198 3,662 2,815 5,992 78,405
New Mexico - 4,345 1,615 657 352 310 187 144 123 7,733 2 1,348 1,822 909 753 544 299 191 504 6,369
New York 1,057 8,517 18,947 9,198 5,551 3,616 2,305 1,604 3,198 52,936 3,270 2,801 20,235 15,413 12,106 9,944 7,461 6,473 17,257 91,690
North Carolina 1 29,523 18,316 4,515 1,560 788 604 331 352 55,989 125 9,830 17,846 9,957 6,245 3,832 2,044 1,166 1,421 52,341
North Dakota - 397 696 229 94 19 7 4 - 1,445 - 250 544 379 373 254 150 105 200 2,256
Ohio 71 32,233 19,112 5,973 3,690 2,057 1,037 807 704 65,613 149 8,554 12,508 5,979 4,489 3,447 2,152 1,640 3,114 41,883
Oklahoma 197 3,720 6,079 2,302 1,218 852 424 253 283 15,129 362 2,529 5,455 2,377 1,680 1,130 615 426 576 14,787
Oregon - 8,141 4,422 989 742 362 306 108 134 15,203 518 3,992 5,330 2,930 2,153 1,427 913 651 1,254 18,649
Pennsylvania - 15,648 13,801 4,234 2,929 1,662 936 689 1,225 41,124 4 7,761 17,562 11,467 9,262 6,800 4,512 3,123 6,782 67,268
Rhode Island 16 3,255 918 245 198 126 - 12 28 4,782 292 1,171 1,294 751 861 898 659 568 1,318 7,520
South Carolina 1,095 13,361 5,034 1,240 760 439 125 44 35 21,039 242 3,406 10,208 5,535 3,613 2,179 1,039 682 672 27,335
South Dakota - 568 1,294 287 118 73 27 4 - 2,370 30 99 370 295 277 206 145 125 110 1,627
Tennessee 48 29,065 8,634 2,979 1,266 742 346 184 294 43,510 109 13,150 13,767 5,742 3,695 2,500 1,322 1,010 1,869 43,055
Texas 240 32,530 54,404 27,275 17,916 10,132 4,517 2,035 1,041 149,849 2,564 26,315 60,907 37,262 26,282 17,801 9,987 6,753 13,482 198,790
Utah - 4,412 10,682 4,212 2,099 1,364 554 166 52 23,542 - 2,955 6,427 3,360 1,868 1,080 618 311 485 17,104
Vermont - 987 485 52 58 7 5 2 1 1,598 27 165 268 148 130 101 80 54 88 1,035
Virginia - 12,017 20,124 6,807 3,558 1,718 979 503 270 45,976 - 4,085 15,666 9,030 6,950 5,226 3,052 1,920 2,059 47,988
Washington - 12,151 11,041 3,907 2,125 1,392 670 579 390 32,256 174 6,222 11,574 6,184 4,905 3,559 2,312 1,882 4,009 40,645
West Virginia 1 3,354 1,840 655 458 247 134 84 49 6,819 17 781 1,802 909 526 369 175 121 210 4,892
Wisconsin - 4,991 7,989 3,961 2,813 1,441 697 253 218 22,363 363 2,646 5,656 5,100 4,443 4,024 2,695 1,975 4,415 30,953
Wyoming - 578 488 197 111 59 47 31 31 1,543 49 344 418 267 174 134 81 94 124 1,636
U.S. Total 9,451 585,346 478,703 184,703 117,804 72,873 38,384 21,883 22,893 1,522,588 29,540 323,606 533,186 284,047 208,721 153,327 98,668 73,591 161,179 1,836,326
Puerto Rico 10 246 2,042 1,850 1,967 1,629 1,047 860 2,155 11,794 156 85 800 924 1,169 1,335 1,241 1,116 3,220 9,890
Grand Total 9,461 585,592 480,744 186,552 119,771 74,502 39,430 22,743 25,048 1,534,382 29,696 323,691 533,986 284,971 209,890 154,662 99,909 74,707 164,399 1,846,216

NATIONAL HIGHWAY SYSTEM LENGTH - 2022
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - URBAN

January 29, 2024

(THOUSANDS)

INTERNATIONAL ROUGHNESS INDEX (IRI) (1)

Table HM-47A (Sheet 4 of 4)
STATE TOTAL URBAN NHS
NOT REPORTED (2) < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED
Alabama 2,027 26,619 13,426 4,289 2,412 1,467 793 594 761 50,361
Alaska 75 1,286 1,438 679 392 227 145 101 174 4,441
Arizona 1,923 23,532 18,692 7,743 5,991 3,549 2,056 1,280 1,583 64,426
Arkansas 1 8,168 8,365 4,141 2,671 1,865 1,075 851 1,564 28,699
California 9,157 57,484 120,485 77,927 65,195 48,896 32,159 23,512 49,982 475,640
Colorado 9 7,833 20,712 11,855 9,625 6,484 3,723 2,153 3,916 66,301
Connecticut 19 14,407 17,616 6,179 3,493 2,210 1,107 692 1,058 46,764
Delaware 186 2,455 4,477 2,007 1,072 604 328 202 441 11,587
District of Columbia 302 51 301 333 438 471 562 435 1,967 4,558
Florida 3,253 102,120 90,342 28,258 14,642 8,406 4,525 2,380 3,226 253,900
Georgia - 63,219 37,839 13,177 6,742 3,751 1,823 961 1,263 128,776
Hawaii 34 785 2,577 2,172 1,858 1,889 1,077 624 1,035 12,017
Idaho 569 3,459 3,388 757 497 334 139 108 165 8,847
Illinois 23 24,408 39,358 18,394 13,291 9,498 5,961 4,340 8,303 123,554
Indiana 33 14,667 9,389 4,367 2,486 1,572 521 288 341 33,631
Iowa 75 3,671 5,953 3,437 2,183 1,398 779 539 1,013 18,973
Kansas 426 7,835 5,247 2,408 1,443 904 577 256 345 19,017
Kentucky 658 11,460 10,327 4,029 2,540 1,793 980 640 705 32,475
Louisiana 1,221 10,034 10,516 6,814 6,715 6,372 4,120 2,995 5,350 52,916
Maine 8 3,068 1,215 481 326 246 121 85 178 5,720
Maryland 180 26,197 29,232 9,195 5,534 3,673 2,598 2,072 5,914 84,415
Massachusetts 500 39,406 15,552 6,411 5,630 4,954 3,512 2,840 8,366 86,671
Michigan 5,849 23,520 32,616 14,032 9,359 6,339 4,236 3,136 5,167 98,406
Minnesota 29 16,004 19,468 5,979 2,903 1,441 515 326 290 46,925
Mississippi 16 9,332 6,971 3,132 2,214 1,691 901 668 1,187 26,096
Missouri - 28,322 20,206 7,252 4,710 3,448 1,972 1,353 1,541 68,803
Montana - 1,592 1,494 569 384 304 169 128 227 4,867
Nebraska 1,390 1,491 3,176 2,025 1,204 1,083 725 642 2,022 12,367
Nevada - 8,940 7,400 3,843 2,959 1,611 852 475 454 26,533
New Hampshire - 9,223 1,965 663 360 210 119 71 136 12,746
New Jersey 3 40,167 36,570 12,294 8,855 6,652 4,660 3,619 7,021 119,839
New Mexico 2 5,692 3,436 1,566 1,105 854 486 336 626 14,102
New York 4,326 11,318 39,181 24,611 17,658 13,560 9,766 8,077 20,454 144,625
North Carolina 125 39,353 36,162 14,472 7,805 4,620 2,648 1,497 1,773 108,330
North Dakota - 646 1,240 607 468 273 157 109 200 3,701
Ohio 220 40,787 31,620 11,952 8,179 5,504 3,189 2,447 3,818 107,496
Oklahoma 559 6,249 11,533 4,679 2,898 1,982 1,038 679 859 29,916
Oregon 518 12,133 9,752 3,919 2,894 1,789 1,219 759 1,388 33,852
Pennsylvania 4 23,409 31,362 15,701 12,191 8,462 5,448 3,813 8,007 108,392
Rhode Island 308 4,427 2,212 996 1,059 1,024 659 580 1,346 12,303
South Carolina 1,337 16,768 15,242 6,775 4,373 2,619 1,164 726 707 48,373
South Dakota 30 667 1,663 582 395 279 172 129 110 3,997
Tennessee 157 42,215 22,401 8,721 4,962 3,241 1,668 1,194 2,163 86,566
Texas 2,804 58,845 115,311 64,537 44,198 27,932 14,504 8,788 14,522 348,639
Utah - 7,367 17,108 7,572 3,967 2,444 1,172 477 538 40,645
Vermont 27 1,152 753 201 189 108 85 56 89 2,632
Virginia - 16,102 35,790 15,837 10,507 6,944 4,031 2,423 2,329 93,964
Washington 174 18,373 22,614 10,090 7,030 4,951 2,983 2,460 4,399 72,901
West Virginia 18 4,134 3,642 1,564 983 616 309 206 258 11,712
Wisconsin 363 7,636 13,645 9,061 7,256 5,465 3,392 2,227 4,634 53,317
Wyoming 49 922 907 464 286 193 128 125 155 3,179
U.S. Total 38,991 908,952 1,011,889 468,750 326,525 226,200 137,052 95,474 184,072 3,358,913
Puerto Rico 166 331 2,842 2,773 3,136 2,964 2,288 1,976 5,375 21,685
Grand Total 39,157 909,283 1,014,731 471,524 329,661 229,164 139,340 97,449 189,447 3,380,598

(1) Data are reported as the International Roughness Index (IRI) in inches per mile. Reference: World Bank Technical Paper Number 46, 1986. Lower IRI represents smoother riding roadways. To obtain a comprehensive assessment of pavement condition, additional measures of pavement distress are needed. Travel is in thousands.

(2) May include sections entirely on structures and unpaved miles.

 

Return to top

Page last modified on February 2, 2024
Privacy Policy | Freedom of Information Act (FOIA) | Accessibility | Web Policies & Notices | No Fear Act | Report Waste, Fraud and Abuse | U.S. DOT Home | USA.gov | WhiteHouse.gov

Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000