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Highway Statistics 2015


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NATIONAL HIGHWAY SYSTEM LENGTH - 2015
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - RURAL

December 2016
Table HM-47A
Sheet 1 of 4

(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 4 10,248 4,066 1,117 622 221 97 37 59 16,467 19 6,852 5,699 1,047 484 230 125 66 65 14,568
Alaska - 571 1,040 304 182 85 54 23 29 2,288 53 186 388 111 66 50 31 22 46 900
Arizona 9 9,606 5,565 1,304 562 195 85 42 59 17,419 182 3,430 3,208 1,061 594 284 111 49 33 8,770
Arkansas 14 5,314 3,234 1,006 469 227 142 79 91 10,563 6 1,659 4,751 1,896 1,149 686 322 164 157 10,785
California - 20,398 12,771 4,577 2,276 1,216 426 278 423 42,365 - 12,476 16,442 5,847 3,017 1,624 592 371 473 40,842
Colorado - 2,720 5,053 2,330 1,003 499 298 134 138 12,176 - 2,173 4,970 2,488 1,143 478 241 106 103 11,701
Connecticut - 598 497 111 39 17 14 0 8 1,284 - 260 668 330 256 200 115 48 87 1,964
Delaware - - - - - - - - - - 88 984 2,289 607 92 18 13 2 2 4,008
Dist. of Columbia - - - - - - - - - - - - - - - - - - - -
Florida 3,819 13,299 7,989 719 321 83 25 15 2 22,453 685 10,397 11,794 1,896 615 249 62 34 24 25,071
Georgia 50 9,684 6,974 1,556 619 287 119 69 68 19,378 213 6,017 8,998 2,230 854 349 139 62 96 18,744
Hawaii - - - - - - - - - - - 17 266 176 117 142 81 52 40 890
Idaho - 3,535 2,282 589 214 85 41 31 29 6,806 98 1,847 2,805 754 292 124 65 34 46 5,968
Illinois - 13,026 8,142 2,190 606 - - - - 23,965 - 1,544 4,627 1,813 1,129 523 216 33 28 9,913
Indiana 3,148 10,228 3,657 1,176 720 506 303 197 229 17,017 540 5,828 4,167 1,272 668 334 158 82 128 12,637
Iowa 98 5,334 5,367 1,859 625 176 66 39 40 13,506 138 3,556 5,491 3,336 1,928 1,029 472 318 288 16,419
Kansas - 6,307 2,587 504 188 76 30 11 9 9,711 35 6,555 4,083 744 302 138 63 35 36 11,956
Kentucky 13 15,993 3,671 1,056 596 324 108 29 33 21,810 1,192 6,951 4,585 894 420 213 82 39 39 13,224
Louisiana 58 6,279 3,789 2,388 1,700 825 330 103 92 15,506 16 1,148 3,338 1,416 1,098 658 420 230 363 8,671
Maine - 4,914 988 274 66 28 9 2 3 6,283 - 911 2,565 769 397 284 126 67 112 5,231
Maryland 5 1,981 2,920 383 177 82 50 12 41 5,648 25 2,948 2,324 381 208 159 81 33 68 6,201
Massachusetts - 857 999 214 48 28 10 8 43 2,208 - 148 303 228 130 53 33 19 15 929
Michigan 36 3,990 6,071 1,823 960 421 274 138 67 13,745 4 7,527 6,418 1,884 768 477 259 133 185 17,651
Minnesota - 3,932 4,609 990 457 269 155 91 44 10,548 73 6,362 6,501 2,752 1,401 782 424 216 231 18,669
Mississippi 43 6,962 2,776 791 463 310 149 89 78 11,617 - 4,267 5,994 1,694 950 631 277 133 123 14,069
Missouri - 10,700 6,191 1,051 386 217 78 51 8 18,682 1 8,959 9,012 2,206 783 305 151 61 42 21,519
Montana - 2,853 3,185 473 143 74 26 9 13 6,776 - 2,218 3,105 730 277 134 72 39 61 6,636
Nebraska 167 4,799 2,040 491 210 51 17 12 9 7,629 1,018 3,132 2,904 1,040 539 306 149 94 105 8,269
Nevada 0 5,110 430 106 78 55 18 5 1 5,802 96 2,740 940 188 51 32 30 32 48 4,061
New Hampshire - 2,488 333 31 7 2 - - - 2,861 3 1,823 1,174 318 132 87 71 41 72 3,719
New Jersey - 1,523 1,322 200 72 58 39 5 13 3,232 1 595 1,090 498 323 229 127 85 148 3,095
New Mexico 16 8,587 2,484 503 247 103 58 25 11 12,018 60 3,703 3,002 759 374 246 88 59 57 8,288
New York 384 5,200 7,268 1,520 575 265 166 127 158 15,279 102 1,528 5,865 2,257 1,125 622 335 148 186 12,067
North Carolina 297 8,764 4,793 994 566 354 70 37 24 15,602 456 6,324 11,128 2,681 1,153 428 188 106 188 22,197
North Dakota - 1,818 1,954 295 58 25 4 0 0 4,155 19 3,290 2,384 707 280 155 48 33 43 6,940
Ohio 17 11,785 7,616 1,840 855 413 184 94 68 22,854 24 5,680 6,876 2,092 836 399 165 85 104 16,237
Oklahoma - 6,185 5,030 1,275 646 414 239 151 97 14,037 47 2,729 5,785 2,188 1,198 813 465 285 306 13,769
Oregon 1 4,588 4,310 984 222 92 52 28 18 10,294 3 3,153 5,155 1,588 566 265 123 73 66 10,989
Pennsylvania 7 11,264 13,598 3,059 1,256 762 256 141 138 30,475 14 4,437 7,212 2,400 1,235 752 417 257 327 17,039
Rhode Island - 651 145 19 6 - 10 2 4 836 - 67 99 140 125 122 73 54 108 789
South Carolina - 4,413 11,084 3,173 2,288 109 55 5 33 21,161 - 532 5,656 2,959 1,762 524 233 93 127 11,885
South Dakota - 1,947 2,767 370 141 67 27 6 3 5,329 - 814 2,137 1,110 577 299 154 96 75 5,262
Tennessee 313 17,437 1,973 359 177 102 19 11 10 20,088 32 6,636 4,575 997 469 264 101 50 45 13,137
Texas - 18,140 21,084 4,810 1,518 701 229 150 71 46,702 63 14,942 23,708 8,823 3,958 1,821 745 389 346 54,732
Utah 12 5,133 2,760 389 91 39 10 6 5 8,433 1,005 1,029 2,514 906 395 201 91 53 53 5,242
Vermont 1 2,548 683 63 30 11 1 2 - 3,338 5 363 888 303 158 73 43 38 42 1,908
Virginia 9 6,014 9,133 1,715 579 169 56 9 15 17,690 183 2,265 8,426 2,657 916 361 131 74 37 14,868
Washington - 5,255 3,784 1,401 869 547 308 247 215 12,626 - 2,600 5,142 1,876 670 314 142 89 99 10,932
West Virginia 197 2,194 2,860 381 168 105 65 11 19 5,804 30 969 2,610 1,190 643 332 161 92 97 6,093
Wisconsin 3 5,743 5,059 2,252 1,120 835 544 177 123 15,854 - 3,910 6,749 4,426 2,939 1,391 699 431 587 21,133
Wyoming - 3,106 2,678 575 310 124 50 28 25 6,896 92 1,067 2,079 697 307 123 49 25 29 4,376
U.S. Total 8,719 314,022 219,610 55,590 25,532 11,657 5,367 2,767 2,669 637,214 6,620 179,546 242,886 81,364 39,872 20,315 9,559 5,229 6,190 584,963
Puerto Rico (3) - - 52 362 107 368 149 93 205 1,337 - - 29 26 118 3 - - - 177
Grand Total 8,719 314,022 219,662 55,952 25,639 12,025 5,516 2,860 2,874 638,551 6,620 179,546 242,916 81,390 39,990 20,318 9,559 5,229 6,190 585,139

NATIONAL HIGHWAY SYSTEM LENGTH - 2015
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - RURAL

December 2016
Table HM-47A
Sheet 2 of 4

(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 23 17,100 9,765 2,165 1,107 451 221 103 125 31,035
Alaska 53 757 1,427 415 248 135 85 45 76 3,188
Arizona 191 13,036 8,773 2,365 1,156 479 196 92 92 26,189
Arkansas 19 6,972 7,986 2,902 1,618 914 464 243 249 21,348
California - 32,874 29,213 10,424 5,294 2,840 1,018 649 896 83,207
Colorado - 4,893 10,023 4,818 2,146 978 539 240 241 23,877
Connecticut - 857 1,165 441 295 217 129 48 96 3,249
Delaware 88 984 2,289 607 92 18 13 2 2 4,008
Dist. of Columbia - - - - - - - - - -
Florida 4,504 23,696 19,783 2,615 936 333 86 49 26 47,524
Georgia 263 15,701 15,971 3,787 1,473 636 258 131 164 38,122
Hawaii - 17 266 176 117 142 81 52 40 890
Idaho 98 5,382 5,086 1,343 506 209 106 65 76 12,774
Illinois - 14,570 12,769 4,003 1,735 523 216 33 28 33,878
Indiana 3,688 16,056 7,824 2,448 1,388 839 461 280 357 29,654
Iowa 236 8,890 10,857 5,195 2,553 1,205 539 357 328 29,925
Kansas 35 12,862 6,670 1,247 490 214 93 46 46 21,667
Kentucky 1,204 22,945 8,256 1,951 1,016 537 191 68 72 35,034
Louisiana 74 7,427 7,127 3,805 2,798 1,482 750 333 455 24,177
Maine - 5,826 3,553 1,043 463 312 134 68 114 11,514
Maryland 30 4,929 5,244 764 385 240 131 45 110 11,849
Massachusetts - 1,005 1,302 442 179 81 43 27 58 3,137
Michigan 40 11,518 12,489 3,707 1,728 898 533 271 252 31,396
Minnesota 73 10,294 11,110 3,742 1,859 1,051 579 307 275 29,217
Mississippi 43 11,228 8,771 2,485 1,413 940 426 222 201 25,686
Missouri 1 19,658 15,204 3,257 1,169 522 229 112 50 40,201
Montana - 5,071 6,290 1,203 420 208 98 48 74 13,412
Nebraska 1,185 7,930 4,944 1,531 749 357 166 106 114 15,898
Nevada 96 7,850 1,370 294 129 86 49 38 48 9,864
New Hampshire 3 4,311 1,507 349 139 90 71 41 72 6,580
New Jersey 1 2,118 2,412 697 395 287 166 90 161 6,327
New Mexico 75 12,290 5,485 1,262 621 349 146 85 68 20,306
New York 486 6,728 13,133 3,777 1,700 887 501 275 344 27,345
North Carolina 753 15,088 15,920 3,676 1,719 783 258 143 212 37,798
North Dakota 19 5,108 4,337 1,002 338 181 52 33 44 11,095
Ohio 41 17,465 14,492 3,932 1,690 812 349 179 172 39,091
Oklahoma 47 8,914 10,815 3,463 1,844 1,227 704 436 403 27,807
Oregon 4 7,742 9,464 2,572 788 357 175 101 84 21,283
Pennsylvania 22 15,701 20,810 5,460 2,491 1,515 674 398 465 47,514
Rhode Island - 717 244 159 132 122 83 56 112 1,625
South Carolina - 4,944 16,740 6,131 4,050 633 288 98 160 33,046
South Dakota - 2,761 4,904 1,480 719 366 182 101 78 10,591
Tennessee 345 24,073 6,548 1,356 646 366 119 61 55 33,225
Texas 63 33,082 44,792 13,633 5,476 2,522 974 538 416 101,434
Utah 1,017 6,162 5,273 1,295 487 240 101 59 58 13,675
Vermont 7 2,912 1,571 366 188 84 44 40 42 5,246
Virginia 192 8,279 17,559 4,372 1,495 530 186 83 52 32,558
Washington - 7,855 8,926 3,277 1,538 861 451 337 314 23,558
West Virginia 227 3,163 5,470 1,571 811 437 226 103 117 11,898
Wisconsin 3 9,653 11,808 6,678 4,059 2,226 1,244 609 710 36,987
Wyoming 92 4,173 4,757 1,272 616 247 99 52 55 11,271
U.S. Total 15,339 493,569 462,496 136,954 65,404 31,972 14,926 7,996 8,859 1,222,177
Puerto Rico (3) - - 82 388 225 371 149 93 205 1,513
Grand Total 15,339 493,569 462,578 137,342 65,629 32,343 15,076 8,089 9,064 1,223,690

NATIONAL HIGHWAY SYSTEM LENGTH - 2015
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - URBAN

December 2016
Table HM-47A
Sheet 3 of 4

(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 55 11,254 5,570 2,057 1,815 1,082 802 664 634 23,878 2,256 8,582 8,704 2,730 1,452 911 553 304 488 23,726
Alaska - 590 1,004 225 100 76 28 14 21 2,056 - 223 804 464 340 263 196 116 253 2,660
Arizona 4 11,430 6,561 1,727 518 161 38 16 3 20,455 3,717 8,932 13,396 4,080 2,482 1,545 899 505 1,158 32,996
Arkansas 7 4,007 4,522 2,008 1,207 969 541 336 297 13,888 404 759 3,750 2,115 1,509 1,042 762 497 909 11,343
California 4 48,285 71,268 25,173 19,409 14,225 8,906 5,098 6,609 198,973 - 34,712 71,368 40,615 33,888 29,088 21,635 18,483 59,093 308,881
Colorado - 3,691 9,862 5,709 3,104 1,192 512 347 323 24,739 6 1,803 9,872 6,722 6,317 5,114 3,028 2,236 3,789 38,880
Connecticut - 10,570 9,108 3,455 1,798 1,081 525 343 312 27,194 - 2,400 6,172 3,277 2,369 1,757 1,175 968 3,551 21,669
Delaware 443 254 2,102 644 148 72 16 5 19 3,260 235 1,251 3,441 1,167 652 322 156 106 198 7,292
Dist. of Columbia - - - - 484 262 7 87 413 1,253 - - - 166 238 274 116 306 2,640 3,739
Florida 10,932 26,533 29,638 6,082 2,712 1,218 524 174 150 67,030 9,397 36,157 63,821 20,732 11,003 5,720 2,758 1,739 2,224 144,152
Georgia 178 34,456 18,465 5,362 2,662 1,412 804 523 513 64,198 7,707 14,225 19,172 6,314 3,495 2,050 1,144 777 1,932 49,108
Hawaii - 137 1,165 730 823 714 489 415 671 5,142 - 349 1,177 1,198 1,121 1,109 672 524 988 7,138
Idaho - 1,388 1,658 560 230 150 54 19 16 4,076 263 1,104 1,898 905 481 444 313 211 414 5,771
Illinois - 7,956 34,336 11,649 8,325 2,190 422 109 315 65,302 - 3,340 11,775 11,145 10,918 7,640 4,052 4,013 5,951 58,834
Indiana 3,446 8,379 7,224 4,571 2,589 1,395 999 574 618 26,349 11,027 4,987 6,208 3,122 2,193 1,539 957 717 1,097 20,818
Iowa 169 2,607 3,446 1,121 574 332 130 85 40 8,338 919 839 2,162 2,130 1,647 1,139 722 579 1,262 10,480
Kansas 250 4,277 3,340 1,474 812 476 247 106 105 10,837 181 2,761 2,880 1,102 853 557 325 259 263 9,001
Kentucky - 8,745 5,499 1,604 999 545 338 184 178 18,093 2,181 3,355 4,107 2,007 1,433 933 451 343 405 13,034
Louisiana 72 6,193 5,575 3,428 2,981 3,316 1,574 1,298 1,186 25,551 1,706 1,966 4,666 3,158 2,830 2,685 2,050 1,623 3,780 22,757
Maine - 1,324 611 154 112 37 17 20 22 2,299 - 189 815 359 333 191 158 93 283 2,421
Maryland 133 15,799 15,097 3,597 2,279 1,477 832 728 1,034 40,843 242 8,789 16,367 6,398 4,612 3,243 2,208 1,495 5,165 48,277
Massachusetts 70 26,638 12,328 1,933 1,022 772 408 634 1,369 45,104 651 6,564 8,661 5,761 5,330 5,315 3,915 3,504 9,123 48,175
Michigan 28 11,502 18,289 6,517 3,820 2,918 1,763 1,219 925 46,951 487 5,785 17,692 10,911 7,687 5,896 4,201 3,469 7,957 63,597
Minnesota 482 4,013 9,974 4,596 2,066 1,329 852 348 470 23,648 565 4,947 8,998 3,888 2,011 1,339 735 600 1,110 23,628
Mississippi - 5,635 2,740 987 670 532 270 171 144 11,148 126 2,305 4,480 2,458 1,648 1,175 782 593 1,848 15,290
Missouri 26 17,880 12,555 3,293 1,893 1,218 592 374 230 38,036 563 6,264 11,303 4,417 2,675 2,008 1,111 675 1,093 29,544
Montana - 625 797 107 53 30 9 8 6 1,635 72 343 716 539 359 275 175 126 262 2,795
Nebraska 474 1,136 1,506 504 218 218 96 51 - 3,729 2,246 633 1,500 828 731 685 534 485 1,233 6,628
Nevada 4 4,689 2,610 1,767 1,209 752 240 120 22 11,408 63 4,994 3,733 1,885 1,234 562 278 169 264 13,119
New Hampshire - 4,087 854 179 55 37 14 14 - 5,241 11 3,556 1,876 679 416 271 191 131 394 7,513
New Jersey 176 12,057 13,833 4,621 2,757 1,864 1,259 1,308 1,974 39,674 78 13,137 22,443 9,980 7,876 6,358 4,562 3,691 10,953 79,000
New Mexico 4 4,304 1,322 587 578 249 89 30 39 7,198 731 1,245 1,954 1,356 1,280 1,107 725 573 1,330 9,569
New York 678 9,995 21,441 7,928 4,876 3,289 2,405 1,595 4,383 55,911 875 2,992 21,297 15,931 12,663 10,877 7,792 6,340 20,533 98,425
North Carolina 2,315 17,761 19,467 6,070 2,478 1,103 413 249 171 47,712 2,444 6,825 20,539 10,342 6,147 3,428 1,778 1,113 2,888 53,060
North Dakota - 354 634 223 43 30 4 - 4 1,293 - 176 528 402 396 306 160 112 256 2,334
Ohio 29 22,914 24,554 6,533 4,262 2,504 1,120 654 566 63,108 214 7,836 15,473 7,827 6,213 4,811 3,351 2,472 6,014 53,997
Oklahoma 6 3,103 6,072 2,258 1,217 833 675 396 548 15,101 281 2,206 5,401 3,056 2,346 2,101 1,520 1,234 2,091 19,955
Oregon - 5,029 6,610 1,552 686 505 387 231 169 15,170 51 3,414 5,583 2,985 1,891 1,341 969 725 1,778 18,686
Pennsylvania 631 12,074 15,561 4,575 3,344 2,235 1,080 830 741 40,442 335 4,862 16,308 11,238 8,717 6,896 4,427 3,245 6,382 62,074
Rhode Island - 1,487 2,296 563 285 110 164 93 93 5,091 19 336 1,679 1,038 1,069 941 740 690 1,789 8,282
South Carolina - 2,756 8,853 4,182 2,617 1,136 364 104 15 20,026 - 1,027 6,931 6,515 4,918 2,435 866 470 324 23,485
South Dakota - 239 1,087 311 173 105 35 7 3 1,959 1 45 304 217 178 158 172 113 314 1,501
Tennessee 348 25,204 8,333 2,414 1,321 563 342 205 331 38,712 912 11,468 13,213 5,280 3,095 2,109 1,267 1,050 1,814 39,296
Texas 35 22,185 50,173 25,156 15,520 9,597 4,365 2,548 1,890 131,434 1,654 17,021 57,127 35,619 26,558 19,562 11,169 7,427 16,035 190,518
Utah 11 4,612 8,277 3,863 2,073 1,126 326 79 31 20,387 2,763 2,435 4,676 2,298 1,316 952 445 332 346 12,799
Vermont 33 825 476 94 25 22 2 - - 1,444 48 128 468 282 190 135 83 56 124 1,466
Virginia 1,227 10,511 23,587 8,826 3,960 1,823 879 384 234 50,203 975 4,568 16,395 10,378 7,241 5,340 3,159 2,117 2,843 52,042
Washington - 9,728 11,370 4,041 2,139 1,791 1,112 1,088 1,148 32,417 14 5,047 11,152 6,729 4,560 3,503 2,376 2,012 6,297 41,678
West Virginia 56 3,962 3,630 850 541 325 147 50 54 9,559 70 471 2,658 1,404 881 552 346 263 331 6,906
Wisconsin - 5,674 6,063 4,743 2,004 1,306 756 287 345 21,180 41 1,792 5,254 4,977 4,713 3,713 2,412 1,771 4,924 29,555
Wyoming - 298 608 296 112 60 41 26 31 1,473 171 178 559 349 256 181 123 123 262 2,032
U.S. Total 22,326 459,150 531,950 190,905 115,701 70,765 38,015 24,247 29,416 1,460,150 56,700 259,323 541,455 289,473 214,759 161,895 104,693 81,575 206,753 1,859,926
Puerto Rico (3) 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 22,355 459,150 533,545 195,165 118,804 73,698 39,675 24,594 29,711 1,474,341 56,741 259,323 541,469 289,741 215,539 163,357 105,743 82,105 207,623 1,864,899

NATIONAL HIGHWAY SYSTEM LENGTH - 2015
  DAILY TRAVEL BY MEASURED PAVEMENT ROUGHNESS - URBAN

December 2016
Table HM-47A
Sheet 4 of 4

(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 2,310 19,836 14,274 4,787 3,268 1,993 1,355 968 1,123 47,604
Alaska - 812 1,808 689 440 339 224 130 274 4,715
Arizona 3,721 20,362 19,957 5,807 3,000 1,706 937 521 1,161 53,452
Arkansas 411 4,765 8,273 4,124 2,716 2,011 1,303 834 1,206 25,231
California 4 82,996 142,636 65,788 53,297 43,313 30,541 23,581 65,702 507,855
Colorado 6 5,494 19,733 12,431 9,421 6,305 3,540 2,583 4,112 63,619
Connecticut - 12,970 15,279 6,732 4,167 2,838 1,700 1,311 3,864 48,863
Delaware 677 1,504 5,542 1,812 799 393 172 112 217 10,552
Dist. of Columbia - - - 166 722 536 123 393 3,052 4,992
Florida 20,329 62,689 93,459 26,814 13,715 6,937 3,282 1,913 2,374 211,183
Georgia 7,885 48,681 37,637 11,676 6,157 3,462 1,948 1,300 2,446 113,306
Hawaii - 486 2,342 1,927 1,944 1,824 1,160 939 1,659 12,280
Idaho 263 2,492 3,556 1,465 712 595 368 230 430 9,846
Illinois - 11,296 46,111 22,794 19,243 9,830 4,474 4,122 6,265 124,136
Indiana 14,473 13,366 13,431 7,693 4,782 2,934 1,956 1,291 1,715 47,167
Iowa 1,088 3,447 5,608 3,252 2,222 1,471 852 664 1,302 18,818
Kansas 431 7,038 6,220 2,576 1,665 1,033 572 366 368 19,838
Kentucky 2,181 12,101 9,605 3,612 2,432 1,477 789 527 584 31,126
Louisiana 1,778 8,159 10,241 6,586 5,811 6,001 3,624 2,921 4,966 48,308
Maine - 1,513 1,426 513 446 229 176 113 305 4,720
Maryland 375 24,589 31,464 9,995 6,891 4,720 3,040 2,223 6,198 89,120
Massachusetts 720 33,203 20,989 7,694 6,352 6,087 4,323 4,138 10,492 93,279
Michigan 515 17,287 35,981 17,427 11,507 8,814 5,964 4,688 8,882 110,549
Minnesota 1,047 8,959 18,972 8,484 4,077 2,668 1,587 948 1,580 47,276
Mississippi 126 7,940 7,220 3,445 2,318 1,707 1,052 764 1,992 26,438
Missouri 589 24,143 23,858 7,710 4,568 3,226 1,703 1,049 1,322 67,580
Montana 72 968 1,513 646 412 305 184 134 268 4,430
Nebraska 2,720 1,769 3,006 1,332 949 902 630 536 1,233 10,356
Nevada 66 9,683 6,344 3,651 2,442 1,313 518 289 286 24,527
New Hampshire 11 7,643 2,730 858 471 308 205 145 394 12,754
New Jersey 253 25,194 36,276 14,601 10,632 8,222 5,822 4,999 12,928 118,674
New Mexico 735 5,549 3,276 1,943 1,857 1,356 814 603 1,369 16,767
New York 1,553 12,988 42,738 23,859 17,539 14,166 10,197 7,935 24,916 154,336
North Carolina 4,759 24,586 40,006 16,413 8,625 4,531 2,190 1,362 3,059 100,772
North Dakota - 530 1,161 625 439 335 164 112 260 3,627
Ohio 243 30,750 40,027 14,360 10,475 7,315 4,471 3,127 6,580 117,105
Oklahoma 287 5,309 11,472 5,314 3,563 2,933 2,196 1,629 2,639 35,056
Oregon 51 8,444 12,193 4,538 2,577 1,846 1,356 956 1,947 33,857
Pennsylvania 966 16,936 31,869 15,813 12,061 9,131 5,507 4,076 7,123 102,516
Rhode Island 19 1,823 3,975 1,601 1,354 1,051 905 783 1,882 13,374
South Carolina - 3,783 15,785 10,697 7,535 3,570 1,230 573 339 43,512
South Dakota 1 284 1,391 528 352 262 207 120 316 3,460
Tennessee 1,261 36,672 21,546 7,694 4,416 2,673 1,608 1,254 2,145 78,008
Texas 1,689 39,206 107,300 60,775 42,078 29,159 15,534 9,975 17,924 321,952
Utah 2,775 7,046 12,953 6,160 3,389 2,078 771 411 377 33,185
Vermont 81 953 944 376 215 157 85 56 124 2,910
Virginia 2,203 15,079 39,981 19,204 11,202 7,163 4,037 2,501 3,077 102,245
Washington 14 14,775 22,522 10,771 6,700 5,294 3,487 3,100 7,445 74,095
West Virginia 126 4,433 6,288 2,254 1,422 877 493 312 385 16,465
Wisconsin 41 7,466 11,318 9,721 6,717 5,019 3,169 2,057 5,269 50,735
Wyoming 171 476 1,168 645 368 241 164 149 293 3,505
U.S. Total 79,025 718,473 1,073,405 480,379 330,460 232,660 142,707 105,822 236,169 3,320,075
Puerto Rico (3) 71 - 1,609 4,527 3,883 4,395 2,710 877 1,164 19,165
Grand Total 79,096 718,473 1,075,014 484,905 334,343 237,055 145,418 106,699 237,333 3,339,240

(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.

(3) 2009 data.

 

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