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Highway Statistics 2009

National Highway System Travel - 2009 Daily Travel by Measured Pavement Roughness - Rural

March 2012
Sheet 1 OF 4
Table HM-47A

Excel Version (71 kb)
PDF Version (36 kb)

(Thousands)

STATE INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
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 3/ 112 11,745 2,974 257 166 - 164 - - 15,307 277 7,724 6,530 531 149 7 4 1 - 14,947
Alaska - 243 1,261 488 300 37 26 - - 2,355 51 75 410 127 170 60 37 15 22 917
Arizona 3/ - 11,078 7,328 541 41 46 - - - 19,033 5 3,406 2,195 670 406 130 25 3 12 6,848
Arkansas 3/ 27 7,296 3,592 505 257 247 285 64 48 12,295 34 843 5,396 2,617 1,222 619 166 49 77 10,988
California - 7,413 17,370 8,302 4,489 4,088 3,716 1,197 1,483 48,058 - 2,108 19,912 9,015 5,738 2,448 2,941 531 46 42,740
Colorado 3/ - 1,303 5,717 2,652 1,563 442 370 - - 12,046 - 470 5,294 2,565 826 344 167 44 50 9,759
Connecticut - 276 1,488 94 5 104 - - - 1,967 - 81 866 689 270 209 33 5 5 2,157
Delaware - - - - - - - - - - - 420 2,474 575 47 46 5 - 0 3,567
Dist. of Columbia - - - - - - - - - - - - - - - - - - - -
Florida 3/ - 17,111 9,093 - - - - - - 26,204 0 7,442 9,401 1,122 194 236 1 65 - 18,461
Georgia 884 16,983 6,764 1,808 37 - - 20 - 25,612 49 11,216 6,136 296 46 40 - 3 4 17,741
Hawaii - - - - 308 - - - - 308 - 21 180 200 477 186 79 86 38 1,266
Idaho - 1,518 3,472 597 227 108 - 75 11 6,007 - 843 3,514 767 185 117 101 14 40 5,581
Illinois - 7,723 11,300 3,996 1,094 116 - - 1 24,231 - 609 3,315 2,307 916 439 119 35 28 7,768
Indiana - 2,219 10,994 4,837 978 190 - - - 19,217 - 2,915 5,615 1,077 680 153 27 38 12 10,518
Iowa 5 3,051 5,548 2,644 932 433 86 65 55 12,814 41 1,354 4,048 2,665 1,567 749 271 151 113 10,918
Kansas 3/ - 1,300 6,023 1,187 346 - - - - 8,857 - 1,060 6,703 2,389 361 58 29 6 11 10,617
Kentucky - 10,912 6,426 502 220 - - - - 18,061 - 5,787 8,557 696 517 61 22 6 - 15,647
Louisiana - 3,043 5,527 2,557 1,246 2,408 22 35 - 14,838 - 379 2,935 1,827 644 679 303 505 135 7,407
Maine - 1,980 2,939 899 116 10 3 - - 5,947 - 893 2,380 806 490 258 135 120 170 5,252
Maryland - 3,621 5,769 519 71 5 1 - 16 10,002 - 4,308 4,060 754 215 215 203 93 13 9,861
Massachusetts - 911 2,354 321 176 - - - - 3,762 - 332 677 720 256 58 109 0 - 2,153
Michigan - 3,059 6,371 2,472 735 1,123 264 249 181 14,454 - 6,115 7,687 1,433 887 284 177 75 46 16,703
Minnesota 3/ 1 1,605 4,672 1,460 2,088 1,226 17 210 59 11,337 70 3,094 6,447 3,604 1,452 758 392 54 31 15,833
Mississippi - 2,181 6,295 959 786 211 54 28 - 10,514 - 2,592 6,799 1,588 1,422 562 352 221 17 13,552
Missouri - 7,881 8,349 41 14 20 - - - 16,305 - 5,431 10,236 2,378 1,034 289 91 13 21 19,493
Montana - 2,187 3,983 112 236 52 51 25 1 6,648 - 1,200 3,654 793 380 107 17 8 3 6,162
Nebraska - 3,325 2,986 744 - - - - - 7,054 - 1,364 3,624 1,239 575 501 166 143 96 7,708
Nevada - 4,119 866 131 228 20 1 1 - 5,366 - 3,063 765 24 5 0 22 8 5 3,892
New Hampshire 3/ - 2,017 956 360 41 - - - - 3,375 1 1,294 1,824 552 263 151 127 30 14 4,255
New Jersey - 688 2,107 1,116 372 51 - 20 - 4,353 - 323 1,913 1,223 852 337 187 166 30 5,033
New Mexico - 7,011 3,825 1,046 76 48 - - - 12,007 - 4,417 2,075 899 338 58 18 6 5 7,816
New York 5 2,471 10,432 2,101 724 386 318 186 56 16,674 94 724 5,463 2,385 920 337 107 57 111 10,104
North Carolina 3/ - 3,829 7,610 1,817 1,531 1,265 203 12 8 16,275 - 3,643 13,089 3,316 1,046 340 92 33 16 21,574
North Dakota - 1,669 2,060 286 - - - - - 4,014 - 1,173 1,996 604 390 101 20 12 4 4,300
Ohio 3/ - 9,812 12,172 1,940 383 315 25 9 40 24,696 43 3,228 8,494 2,181 1,124 448 124 33 38 15,671
Oklahoma 3/ - 3,209 7,302 1,802 705 291 305 126 - 13,739 1 1,305 5,551 2,863 1,181 720 376 276 211 12,483
Oregon - 539 7,987 2,597 490 - - - - 11,614 - 1,802 5,235 2,656 1,036 572 88 49 11 11,450
Pennsylvania 3/ 23 12,085 11,957 4,235 873 383 67 36 25 29,661 12 2,595 7,333 3,481 1,788 1,012 238 110 59 16,616
Rhode Island - 23 1,080 5 - - - - - 1,108 - - 14 89 63 69 53 34 25 345
South Carolina - 6,261 10,212 2,469 398 599 287 8 70 20,304 - 389 5,071 1,825 858 190 25 7 10 8,375
South Dakota 3/ - 769 2,968 1,104 384 71 - - - 5,295 3 699 1,851 611 449 151 75 65 44 3,946
Tennessee - 21,346 1,975 233 240 2 - 90 40 23,925 - 5,968 5,595 995 326 112 21 21 39 13,076
Texas 3/ - 9,510 26,016 4,750 1,055 678 59 - - 42,067 162 5,871 25,625 10,660 3,536 587 159 63 24 46,526
Utah - 1,906 4,566 1,053 1,009 123 20 - - 8,677 - 274 2,049 775 460 317 109 8 15 4,007
Vermont - 1,269 1,635 266 65 20 1 3 35 3,293 - 84 1,271 202 153 133 21 25 34 1,922
Virginia - 3,403 19,572 1,263 386 103 7 - 2 24,736 1 603 10,542 3,381 779 152 88 27 8 15,581
Washington - 2,655 4,311 2,129 2,256 1,016 - - - 12,367 - 1,641 7,513 1,398 533 127 71 22 9 11,316
West Virginia - 1,036 5,526 607 320 93 217 - 56 7,855 - 242 3,937 1,568 653 227 74 32 44 6,778
Wisconsin 3/ - 2,645 6,147 3,152 1,454 448 205 148 - 14,199 - 3,719 6,570 4,603 2,513 661 279 91 42 18,477
Wyoming - 1,670 3,756 1,096 233 3 10 0 - 6,768 1 401 2,526 1,156 342 75 43 7 15 4,566
U.S. Total 1,058 229,906 303,633 74,054 29,654 16,780 6,784 2,606 2,186 665,603 844 115,544 265,347 90,894 40,735 16,490 8,388 3,468 1,803 542,670
Puerto Rico - - 52 362 107 368 149 93 205 1,337 - - 29 26 118 3 - - - 177
Grand Total 1,058 229,906 303,686 74,416 29,761 17,148 6,933 2,698 2,391 666,940 844 115,544 265,376 90,920 40,853 16,493 8,388 3,468 1,803 542,847

National Highway System Travel - 2009 Daily Travel by Measured Pavement Roughness - Rural

March 2012
Sheet 2 OF 4
Table HM-47A

(Thousands)

STATE INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
TOTAL RURAL NHS
NOT REPORTED 2/ < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED
Alabama 3/ 389 19,469 9,504 788 315 7 169 1 - 30,253
Alaska 51 318 1,671 615 470 97 62 15 22 3,272
Arizona 3/ 5 14,484 9,523 1,212 447 176 25 3 12 25,881
Arkansas 3/ 60 8,139 8,988 3,123 1,479 866 451 113 125 23,283
California - 9,521 37,281 17,317 10,227 6,536 6,657 1,728 1,529 90,797
Colorado 3/ - 1,773 11,011 5,217 2,389 785 537 44 50 21,806
Connecticut - 357 2,354 783 275 313 33 5 5 4,124
Delaware - 420 2,474 575 47 46 5 - 0 3,567
Dist. of Columbia - - - - - - - - - -
Florida 3/ 0 24,553 18,494 1,122 194 236 1 65 - 44,665
Georgia 933 28,200 12,900 2,105 83 40 - 23 4 43,354
Hawaii - 21 180 200 785 186 79 86 38 1,574
Idaho - 2,361 6,986 1,364 412 225 101 88 51 11,588
Illinois - 8,333 14,615 6,303 2,010 555 119 35 30 32,000
Indiana - 5,134 16,609 5,914 1,659 343 27 38 12 29,735
Iowa 46 4,404 9,596 5,309 2,499 1,182 357 216 168 23,732
Kansas 3/ - 2,360 12,726 3,577 707 58 29 6 11 19,473
Kentucky - 16,699 14,983 1,198 738 61 22 6 - 33,708
Louisiana - 3,422 8,462 4,384 1,889 3,087 325 540 135 22,245
Maine - 2,873 5,320 1,705 605 267 138 120 170 11,198
Maryland - 7,929 9,829 1,273 286 220 204 93 28 19,863
Massachusetts - 1,244 3,031 1,041 432 58 109 0 - 5,914
Michigan - 9,174 14,058 3,905 1,622 1,407 442 324 227 31,157
Minnesota 3/ 71 4,699 11,119 5,064 3,540 1,984 410 264 90 27,170
Mississippi - 4,773 13,094 2,547 2,208 772 406 249 17 24,066
Missouri - 13,311 18,585 2,419 1,048 310 91 13 21 35,798
Montana - 3,387 7,637 905 616 159 68 34 4 12,810
Nebraska - 4,689 6,609 1,982 575 501 166 143 96 14,762
Nevada - 7,183 1,631 155 233 20 22 9 5 9,259
New Hampshire 3/ 1 3,311 2,781 912 305 151 127 30 14 7,630
New Jersey - 1,011 4,020 2,339 1,224 388 187 186 30 9,386
New Mexico - 11,428 5,900 1,945 414 106 18 6 5 19,823
New York 99 3,194 15,895 4,486 1,644 723 425 243 167 26,778
North Carolina 3/ - 7,472 20,699 5,133 2,577 1,605 294 44 24 37,849
North Dakota - 2,841 4,056 890 390 101 20 12 4 8,315
Ohio 3/ 43 13,041 20,666 4,121 1,507 763 149 42 78 40,366
Oklahoma 3/ 1 4,514 12,853 4,664 1,886 1,011 681 402 211 26,222
Oregon - 2,342 13,223 5,253 1,527 572 88 49 11 23,064
Pennsylvania 3/ 36 14,680 19,290 7,716 2,662 1,394 305 147 84 46,277
Rhode Island - 23 1,094 93 63 69 53 34 25 1,453
South Carolina - 6,650 15,283 4,294 1,256 789 312 14 80 28,679
South Dakota 3/ 3 1,469 4,819 1,715 832 221 75 65 44 9,241
Tennessee - 27,314 7,570 1,228 566 114 21 110 79 37,001
Texas 3/ 162 15,381 51,640 15,409 4,591 1,265 219 63 24 88,594
Utah - 2,180 6,615 1,828 1,470 439 129 8 15 12,685
Vermont - 1,353 2,906 468 218 153 22 27 68 5,215
Virginia 1 4,006 30,114 4,644 1,165 255 95 27 10 40,318
Washington - 4,296 11,825 3,527 2,789 1,143 71 22 9 23,682
West Virginia - 1,278 9,462 2,175 973 321 291 32 100 14,633
Wisconsin 3/ - 6,364 12,717 7,754 3,967 1,109 483 240 42 32,676
Wyoming 1 2,070 6,282 2,252 574 78 54 8 15 11,334
U.S. Total 1,902 345,450 568,980 164,948 70,389 33,270 15,172 6,074 3,990 1,208,273
Puerto Rico - - 82 388 225 371 149 93 205 1,513
Grand Total 1,902 345,450 569,062 165,336 70,615 33,641 15,321 6,166 4,195 1,209,786

National Highway System Travel - 2009 Daily Travel by Measured Pavement Roughness - Urban

March 2012
Sheet 3 OF 4
Table HM-47A

(Thousands)

STATE INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
INTERSTATE SYSTEM OTHER
NOT REPORTED 1/ < 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 3/ 664 9,123 6,068 1,699 672 1,278 308 76 77 19,300 489 6,790 6,466 1,027 413 171 70 5 33 14,975
Alaska - 235 1,165 289 81 24 10 - 13 1,817 - 87 179 305 360 227 39 75 35 1,307
Arizona 3/ - 7,909 6,488 1,572 205 - - - - 16,174 531 13,793 7,705 1,691 2,165 1,329 674 242 127 27,725
Arkansas 3/ 1 1,974 4,665 1,586 1,100 865 193 107 137 10,627 42 273 1,250 932 507 774 422 340 212 4,709
California - 1,946 54,014 43,101 32,039 22,319 11,487 13,908 8,011 186,826 - 1,098 39,020 35,886 28,310 21,068 8,397 7,006 3,571 144,356
Colorado 3/ - 1,406 7,747 6,075 2,133 1,281 1,151 63 123 19,978 - 617 6,701 5,152 5,715 2,366 1,231 604 975 23,361
Connecticut - 2,932 11,432 5,649 3,421 1,424 628 311 402 26,198 - 828 4,868 4,515 2,027 1,090 486 337 354 14,505
Delaware - 136 1,805 679 214 213 240 62 23 3,371 - 537 2,238 734 294 200 27 18 39 4,088
Dist. of Columbia - - - - 393 128 142 232 285 1,180 - - - - 371 94 94 332 1,666 2,557
Florida 3/ 116 28,807 36,626 1,036 507 225 - - - 67,201 445 14,652 34,850 3,810 1,594 481 171 254 123 55,936
Georgia 703 35,071 12,657 3,690 488 - - - - 51,907 260 9,519 11,753 1,623 392 222 42 1 55 23,606
Hawaii - - 997 513 1,026 825 792 499 241 4,894 - 234 697 894 740 883 615 126 178 4,367
Idaho - 935 1,881 381 93 55 - 40 152 3,537 18 195 540 360 184 167 20 27 75 1,566
Illinois - 3,336 22,081 15,398 12,784 5,135 1,790 1,443 144 62,110 - 672 5,184 10,464 6,471 5,912 4,345 2,918 7,775 43,741
Indiana - 1,519 13,151 6,701 3,014 993 341 354 537 26,609 - 630 3,582 2,056 1,902 1,307 626 338 430 10,872
Iowa 87 1,167 3,017 1,259 625 284 207 174 108 6,840 280 239 1,260 1,352 789 477 370 269 540 5,296
Kansas 3/ - 657 3,878 2,274 3,148 86 30 - 8 10,082 - 366 2,668 2,231 372 99 62 25 52 5,876
Kentucky - 2,891 5,751 4,175 1,925 1,478 85 - - 16,305 - 1,319 3,770 2,461 749 538 120 34 90 9,082
Louisiana - 999 5,614 3,869 2,874 3,349 2,126 301 560 19,691 12 45 2,571 2,614 2,012 1,650 2,302 1,453 1,388 14,034
Maine - 379 1,050 469 231 48 14 13 - 2,205 - 230 421 391 329 212 150 142 121 1,997
Maryland - 9,398 18,904 4,461 2,183 904 929 386 805 37,970 0 3,324 9,801 3,795 2,223 1,720 564 437 1,257 23,122
Massachusetts 549 14,957 20,436 3,757 957 495 215 - - 40,817 52 2,758 9,558 4,265 3,787 4,524 3,516 2,556 2,310 33,273
Michigan - 6,058 19,774 9,782 3,134 1,951 796 370 297 42,163 1 1,787 10,073 10,314 5,217 3,260 3,068 2,151 3,557 39,429
Minnesota 3/ - 722 10,075 5,253 4,962 1,933 65 3 210 23,223 913 900 7,560 4,446 1,924 1,734 366 117 121 17,168
Mississippi - 889 4,167 2,031 1,159 572 428 10 21 9,277 - 777 3,500 1,809 819 589 318 368 144 8,323
Missouri - 5,755 20,021 4,759 1,893 270 159 302 62 33,221 116 2,577 10,379 4,088 2,103 632 423 190 124 20,515
Montana - 252 665 3 - 16 30 22 - 988 - 45 317 283 259 154 39 30 56 1,184
Nebraska - 240 2,351 562 256 167 130 30 - 3,737 11 251 507 492 894 1,433 789 617 839 5,823
Nevada - 1,729 4,155 1,459 1,484 365 76 63 2 9,333 30 2,176 2,157 716 304 41 155 15 201 5,766
New Hampshire 3/ 1 2,038 1,909 118 29 42 79 - 37 4,253 72 1,937 1,850 371 90 157 23 36 26 4,489
New Jersey - 4,061 10,121 10,022 3,441 3,520 2,929 1,359 1,551 37,003 200 2,164 17,124 14,746 12,082 6,066 4,236 2,437 3,510 62,365
New Mexico - 1,635 4,128 1,088 370 121 2 4 - 7,348 0 438 1,866 448 449 245 118 73 226 3,863
New York 1,258 3,758 21,419 9,230 4,655 4,873 3,218 2,442 5,148 54,743 1,443 658 12,432 18,245 12,263 9,421 6,400 2,870 8,471 70,759
North Carolina 3/ - 7,075 17,240 6,708 4,482 1,934 675 29 41 38,182 - 1,612 12,165 4,778 2,550 1,090 363 132 259 22,947
North Dakota - 202 660 195 24 - - - - 1,082 - 35 105 197 278 55 37 69 59 834
Ohio 3/ - 12,271 31,415 9,853 4,795 1,744 780 251 178 61,287 232 1,584 11,920 5,446 2,943 1,943 971 636 653 26,095
Oklahoma 3/ - 1,224 3,964 2,714 1,631 891 738 540 1,003 12,705 - 761 3,971 2,024 721 514 504 378 346 9,218
Oregon - 219 5,615 4,709 1,031 487 43 - 83 12,185 - 779 3,051 3,089 1,248 809 439 272 214 9,900
Pennsylvania 3/ 344 9,549 17,160 6,768 3,574 1,933 888 123 106 40,101 353 3,907 13,152 10,825 8,306 5,158 2,395 1,242 933 45,918
Rhode Island - 640 2,376 1,576 112 14 55 - - 4,773 - - 1,333 1,467 636 383 234 204 278 4,536
South Carolina - 5,019 7,409 2,421 956 347 105 120 30 16,407 - 226 4,786 4,692 2,546 1,279 404 403 237 14,574
South Dakota 3/ - 116 617 636 140 32 114 8 - 1,662 6 - 127 100 170 143 122 11 32 705
Tennessee - 16,675 10,327 2,739 893 808 217 268 208 32,134 - 4,364 7,017 2,909 1,676 928 432 380 549 18,256
Texas 3/ - 3,639 39,775 33,457 19,049 9,210 1,923 816 34 107,903 1,202 2,867 37,594 37,376 29,682 16,269 5,216 3,771 4,519 137,293
Utah - 3,497 6,312 3,854 2,416 296 9 33 - 16,418 - 624 2,659 1,514 986 582 185 126 123 6,799
Vermont - 526 442 33 0 - - - - 1,001 - 1 167 112 53 88 79 51 100 653
Virginia - 1,151 18,779 9,963 7,341 2,733 690 181 155 40,993 1,016 1,333 10,661 9,608 4,202 3,417 1,646 834 891 32,593
Washington - 2,364 14,193 6,045 2,640 3,011 879 438 1 29,570 - 1,113 9,279 3,241 1,648 1,192 433 470 1,154 18,529
West Virginia - 1,188 4,874 740 291 273 221 43 12 7,642 - 210 1,720 824 381 218 202 109 69 3,732
Wisconsin 3/ - 1,506 5,735 4,257 1,198 515 770 70 36 14,088 18 1,019 4,330 5,529 3,802 2,589 1,713 1,302 1,219 21,504
Wyoming - 97 384 413 245 63 65 7 20 1,294 0 25 306 154 120 27 22 7 51 712
U.S. Total 3,721 219,872 525,488 250,024 142,313 79,529 36,772 25,497 20,859 1,300,354 7,740 92,377 347,189 236,400 160,058 105,930 55,674 36,841 50,365 1,084,834
Puerto Rico 30 - 1,595 4,260 3,103 2,933 1,660 346 294 14,191 41 - 15 267 780 1,462 1,050 531 869 4,974
Grand Total 3,751 219,872 527,083 254,283 145,416 82,462 38,432 25,844 21,153 1,314,545 7,782 92,377 347,203 236,667 160,838 107,392 56,724 37,372 51,234 1,089,808

National Highway System Travel - 2009 Daily Travel by Measured Pavement Roughness - Urban

March 2012
Sheet 4 OF 4
Table HM-47A

(Thousands)

STATE INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
TOTAL URBAN NHS
NOT REPORTED 2/ < 60 60-94 95-119 120-144 145-170 171-194 195-220 > 220 TOTAL REPORTED
Alabama 3/ 1,153 15,913 12,535 2,727 1,085 1,449 377 82 109 34,275
Alaska - 322 1,344 594 441 251 49 75 48 3,123
Arizona 3/ 531 21,703 14,192 3,263 2,369 1,329 674 242 127 43,900
Arkansas 3/ 43 2,247 5,915 2,518 1,607 1,639 615 447 349 15,337
California - 3,045 93,035 78,987 60,349 43,388 19,884 20,914 11,581 331,182
Colorado 3/ - 2,023 14,448 11,227 7,847 3,647 2,382 667 1,098 43,339
Connecticut - 3,759 16,300 10,164 5,448 2,514 1,113 647 756 40,703
Delaware - 672 4,043 1,413 507 413 267 80 62 7,459
Dist. of Columbia - - - - 764 222 236 564 1,951 3,737
Florida 3/ 561 43,460 71,477 4,846 2,101 705 171 254 123 123,137
Georgia 963 44,590 24,410 5,313 881 222 42 1 55 75,513
Hawaii - 234 1,694 1,408 1,766 1,709 1,407 624 419 9,261
Idaho 18 1,130 2,421 741 277 222 20 67 227 5,103
Illinois - 4,008 27,264 25,862 19,255 11,047 6,135 4,361 7,918 105,851
Indiana - 2,150 16,733 8,757 4,916 2,300 967 691 967 37,481
Iowa 367 1,406 4,277 2,611 1,414 760 578 443 648 12,137
Kansas 3/ - 1,023 6,546 4,506 3,520 185 93 25 60 15,958
Kentucky - 4,210 9,521 6,636 2,674 2,016 205 34 90 25,387
Louisiana 12 1,044 8,185 6,483 4,886 4,998 4,427 1,754 1,948 33,725
Maine - 610 1,471 859 560 260 164 155 121 4,202
Maryland 0 12,722 28,705 8,256 4,406 2,624 1,493 823 2,062 61,092
Massachusetts 600 17,715 29,994 8,023 4,744 5,018 3,731 2,556 2,310 74,090
Michigan 1 7,845 29,847 20,096 8,351 5,211 3,864 2,521 3,855 81,592
Minnesota 3/ 913 1,622 17,634 9,698 6,886 3,668 431 120 331 40,391
Mississippi - 1,666 7,667 3,840 1,978 1,160 746 378 165 17,600
Missouri 116 8,332 30,400 8,847 3,995 902 582 492 186 53,736
Montana - 297 982 286 259 171 69 52 56 2,171
Nebraska 11 491 2,858 1,055 1,151 1,600 919 647 839 9,560
Nevada 30 3,905 6,312 2,175 1,789 407 231 78 203 15,099
New Hampshire 3/ 73 3,975 3,759 490 118 200 102 36 63 8,742
New Jersey 200 6,224 27,246 24,768 15,523 9,586 7,165 3,796 5,061 99,369
New Mexico 0 2,072 5,994 1,536 820 366 120 77 226 11,211
New York 2,701 4,415 33,852 27,475 16,918 14,294 9,618 5,311 13,618 125,502
North Carolina 3/ - 8,687 29,404 11,486 7,032 3,024 1,037 160 300 61,129
North Dakota - 237 766 392 303 55 37 69 59 1,915
Ohio 3/ 232 13,855 43,335 15,298 7,737 3,687 1,751 887 831 87,382
Oklahoma 3/ - 1,984 7,934 4,738 2,353 1,405 1,242 918 1,349 21,923
Oregon - 998 8,665 7,798 2,278 1,295 482 272 296 22,085
Pennsylvania 3/ 696 13,456 30,312 17,593 11,879 7,091 3,284 1,365 1,040 86,020
Rhode Island - 640 3,710 3,043 748 397 289 204 278 9,309
South Carolina - 5,245 12,195 7,113 3,502 1,626 509 523 267 30,982
South Dakota 3/ 6 116 743 736 310 175 236 19 32 2,367
Tennessee - 21,039 17,344 5,648 2,570 1,736 648 648 757 50,390
Texas 3/ 1,202 6,506 77,369 70,833 48,732 25,479 7,139 4,587 4,553 245,196
Utah - 4,121 8,971 5,368 3,403 879 194 160 123 23,218
Vermont - 528 609 145 53 88 79 51 100 1,654
Virginia 1,016 2,483 29,440 19,572 11,543 6,150 2,337 1,015 1,046 73,586
Washington - 3,477 23,472 9,285 4,288 4,203 1,312 908 1,155 48,099
West Virginia - 1,398 6,593 1,565 672 491 423 151 81 11,374
Wisconsin 3/ 18 2,525 10,065 9,786 5,000 3,105 2,484 1,372 1,255 35,592
Wyoming 0 122 690 567 365 90 87 15 71 2,006
U.S. Total 11,462 312,249 872,677 486,424 302,371 185,459 92,446 62,339 71,224 2,385,188
Puerto Rico 71 - 1,609 4,527 3,883 4,395 2,710 877 1,164 19,165
Grand Total 11,532 312,249 874,286 490,951 306,254 189,854 95,156 63,216 72,388 2,404,353

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.

2/ May include sections entirely on structures and unpaved miles.

3/ 2008 data used due to FHWA process status.

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Updated: 05/02/2012

FHWA
United States Department of Transportation - Federal Highway Administration