U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
March 2013
Table HM-64
1 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE | ||||||||||
NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 0 | 329 | 130 | 28 | 23 | 10 | 6 | 5 | 6 | 537 |
Alaska | 1 | 102 | 303 | 209 | 169 | 109 | 58 | 33 | 21 | 1,005 |
Arizona | 18 | 451 | 376 | 86 | 26 | 14 | 5 | 1 | 3 | 962 |
Arkansas | 0 | 203 | 138 | 45 | 22 | 13 | 7 | 7 | 6 | 441 |
California | 166 | 207 | 391 | 213 | 138 | 66 | 36 | 23 | 38 | 1,112 |
Colorado | - | 104 | 288 | 170 | 50 | 50 | 16 | 4 | 1 | 685 |
Connecticut | - | 0 | 30 | 11 | - | 1 | - | - | - | 43 |
Delaware | - | - | - | - | - | - | - | - | - | - |
Dist. of Columbia | - | - | - | - | - | - | - | - | - | - |
Florida | 3 | 459 | 251 | 23 | 8 | 3 | 1 | 0 | 0 | 745 |
Georgia | 3 | 300 | 291 | 76 | 36 | 7 | 2 | - | 1 | 713 |
Hawaii | - | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 6 |
Idaho | - | 434 | 68 | 14 | 4 | 2 | 0 | 0 | - | 522 |
Illinois | - | 538 | 587 | 138 | 20 | 72 | - | - | 0 | 1,356 |
Indiana | 93 | 291 | 182 | 56 | 34 | 24 | 10 | 9 | 13 | 619 |
Iowa | 21 | 166 | 309 | 102 | 27 | 2 | - | - | - | 608 |
Kansas | - | 310 | 243 | 71 | 20 | 11 | - | - | - | 656 |
Kentucky | 71 | 302 | 162 | 32 | 13 | 7 | 4 | 3 | 2 | 525 |
Louisiana | - | 133 | 156 | 134 | 62 | 48 | 0 | 1 | - | 533 |
Maine | - | 143 | 105 | 32 | 16 | 3 | - | 0 | - | 299 |
Maryland | 1 | 78 | 83 | 11 | 5 | 3 | 1 | 1 | 1 | 183 |
Massachusetts | 1 | 29 | 44 | 9 | 4 | 2 | 1 | 1 | 1 | 90 |
Michigan | - | 212 | 250 | 66 | 35 | 25 | 11 | 6 | 4 | 609 |
Minnesota | - | 133 | 289 | 107 | 52 | 26 | 11 | 8 | 3 | 630 |
Mississippi | - | 176 | 226 | 62 | 15 | 13 | 10 | - | - | 502 |
Missouri | 0 | 370 | 305 | 31 | 8 | 4 | 3 | 1 | 1 | 724 |
Montana | - | 328 | 597 | 113 | 56 | 20 | 6 | 3 | 5 | 1,129 |
Nebraska | - | 190 | 185 | 30 | 13 | - | - | - | - | 418 |
Nevada | 415 | 0 | 26 | 8 | - | - | - | - | - | 34 |
New Hampshire | - | 108 | 23 | 8 | 5 | 2 | 4 | - | - | 149 |
New Jersey | - | 26 | 30 | 5 | 1 | 1 | 1 | 1 | 1 | 65 |
New Mexico | - | 437 | 348 | 36 | 15 | 11 | 0 | 1 | - | 848 |
New York | - | 226 | 475 | 71 | 35 | 17 | 6 | 9 | 9 | 847 |
North Carolina | 19 | 275 | 176 | 36 | 18 | 9 | 4 | 2 | 2 | 522 |
North Dakota | - | 222 | 275 | 22 | - | - | - | - | - | 519 |
Ohio | - | 226 | 387 | 81 | 21 | 6 | 1 | 1 | 0 | 723 |
Oklahoma | - | 239 | 312 | 91 | 17 | 17 | 6 | 1 | 0 | 684 |
Oregon | - | 125 | 267 | 150 | 8 | 4 | 0 | - | - | 553 |
Pennsylvania | 14 | 412 | 492 | 137 | 53 | 9 | 1 | 1 | 2 | 1,106 |
Rhode Island | - | 13 | 9 | - | - | - | - | - | - | 21 |
South Carolina | - | 185 | 320 | 59 | 15 | 2 | - | - | 0 | 581 |
South Dakota | 68 | 87 | 354 | 73 | 9 | 11 | - | 0 | 0 | 535 |
Tennessee | 1 | 591 | 70 | 14 | 6 | 3 | 2 | 0 | 0 | 686 |
Texas | 10 | 612 | 1,071 | 269 | 59 | 19 | 6 | 2 | 2 | 2,039 |
Utah | - | 222 | 344 | 93 | 40 | 20 | 4 | - | 1 | 724 |
Vermont | 1 | 174 | 86 | 11 | 4 | 2 | 1 | 0 | 0 | 279 |
Virginia | 0 | 142 | 424 | 58 | 29 | 4 | 0 | - | - | 656 |
Washington | - | 142 | 182 | 67 | 29 | 15 | 13 | 11 | 8 | 467 |
West Virginia | - | 55 | 250 | 25 | 20 | 10 | - | 7 | 1 | 368 |
Wisconsin | - | 105 | 196 | 86 | 56 | 26 | 6 | 2 | 1 | 478 |
Wyoming | 0 | 259 | 391 | 123 | 34 | 6 | - | - | - | 812 |
U.S. Total | 907 | 10,871 | 12,498 | 3,399 | 1,329 | 728 | 244 | 143 | 137 | 29,349 |
Puerto Rico 4/ | - | - | 1 | 10 | 4 | 11 | 5 | 4 | 7 | 42 |
Grand Total | 907 | 10,871 | 12,499 | 3,409 | 1,333 | 739 | 249 | 147 | 144 | 29,391 |
March 2013
Table HM-64
2 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OTHER FREEWAYS & EXPRESSWAYS | OTHER PRINCIPAL ARTERIAL | MINOR ARTERIAL 3/ | ||||||||||||||||||||||||||||
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 | NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | - | 45 | 19 | 5 | 3 | 1 | 0 | - | 0 | 74 | 6 | 1,049 | 813 | 140 | 60 | 26 | 12 | 5 | 6 | 2,110 | 14 | 1,024 | 1,996 | 647 | 194 | 76 | 28 | 21 | 6 | 3,991 |
Alaska | - | - | - | - | - | - | - | - | - | - | 283 | 25 | 113 | 80 | 73 | 67 | 46 | 29 | 102 | 534 | 4 | 4 | 101 | 39 | 62 | 61 | 44 | 24 | 35 | 369 |
Arizona | 21 | 3 | 2 | - | - | - | - | - | - | 5 | 130 | 459 | 420 | 127 | 65 | 31 | 13 | 19 | 2 | 1,137 | 118 | 290 | 487 | 196 | 130 | 58 | 35 | 6 | 8 | 1,210 |
Arkansas | 1 | 11 | 60 | 26 | 17 | 10 | 4 | 3 | 2 | 133 | 29 | 314 | 865 | 405 | 239 | 122 | 51 | 23 | 17 | 2,037 | 40 | 175 | 879 | 663 | 546 | 311 | 184 | 121 | 75 | 2,954 |
California | - | - | - | - | - | - | - | - | - | - | 575 | 329 | 1,390 | 559 | 331 | 185 | 77 | 55 | 27 | 2,953 | 677 | 44 | 2,314 | 1,045 | 1,006 | 566 | 410 | 232 | 300 | 5,917 |
Colorado | - | 9 | 21 | 8 | 2 | - | - | - | - | 41 | - | 318 | 1,042 | 536 | 241 | 103 | 35 | 23 | 12 | 2,311 | 230 | 92 | 1,035 | 853 | 690 | 461 | 248 | 91 | 21 | 3,491 |
Connecticut | - | 7 | 19 | 8 | 4 | 0 | - | 0 | 0 | 39 | - | - | 40 | 42 | 20 | 16 | 2 | 5 | 1 | 127 | - | - | 38 | 30 | 85 | 32 | 41 | 31 | - | 257 |
Delaware | - | - | - | - | - | - | - | - | - | - | 3 | 15 | 101 | 32 | 6 | 1 | 1 | 0 | 1 | 158 | - | 2 | 87 | 13 | 9 | 3 | 1 | - | - | 114 |
Dist. of Columbia | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Florida | 1 | 88 | 80 | 6 | 2 | 1 | 1 | 0 | 0 | 179 | 157 | 1,019 | 1,172 | 193 | 72 | 32 | 13 | 6 | 10 | 2,517 | 16 | 705 | 1,457 | 171 | 39 | 3 | 7 | 2 | 6 | 2,392 |
Georgia | - | - | - | - | - | - | - | - | - | - | 283 | 901 | 1,331 | 113 | 39 | 4 | 1 | 1 | 0 | 2,391 | 3,311 | 563 | 1,115 | 130 | 29 | 8 | - | - | - | 1,845 |
Hawaii | - | - | - | - | - | - | - | - | - | - | 2 | 4 | 23 | 20 | 17 | 13 | 8 | 6 | 14 | 106 | 0 | 33 | 63 | 55 | 45 | 33 | 19 | 14 | 32 | 293 |
Idaho | - | - | - | - | - | - | - | - | - | - | 14 | 1,037 | 555 | 87 | 28 | 11 | 5 | 3 | 2 | 1,728 | 207 | 726 | 356 | 70 | 21 | 8 | 4 | 1 | 0 | 1,186 |
Illinois | - | - | - | - | - | - | - | - | - | - | 8 | 288 | 1,067 | 467 | 264 | 158 | 50 | 29 | 23 | 2,345 | - | 347 | 2,261 | 1,035 | 515 | 31 | 165 | - | 316 | 4,671 |
Indiana | - | - | - | - | - | - | - | - | - | - | 1 | 640 | 634 | 164 | 60 | 30 | 17 | 13 | 29 | 1,587 | - | 711 | 871 | 204 | 129 | 49 | 33 | 16 | 32 | 2,044 |
Iowa | - | - | - | - | - | - | - | - | - | - | 187 | 448 | 999 | 687 | 458 | 353 | 215 | 91 | 19 | 3,270 | 3,911 | - | - | - | - | - | - | - | - | - |
Kansas | - | - | - | - | - | - | - | - | - | - | 37 | 871 | 1,695 | 349 | 85 | 29 | 7 | 3 | - | 3,039 | - | 506 | 2,573 | 894 | 242 | 39 | 17 | 10 | - | 4,281 |
Kentucky | 23 | 314 | 171 | 37 | 22 | 12 | 5 | 2 | 2 | 564 | 128 | 504 | 750 | 281 | 118 | 46 | 19 | 9 | 10 | 1,737 | 232 | 107 | 646 | 425 | 239 | 114 | 49 | 17 | 20 | 1,616 |
Louisiana | - | - | - | - | - | - | - | - | - | - | 2 | 36 | 538 | 206 | 112 | 65 | 28 | 26 | 5 | 1,017 | - | 115 | 820 | 436 | 187 | 62 | 58 | 28 | 44 | 1,751 |
Maine | - | - | - | - | - | - | - | - | - | - | 0 | 43 | 379 | 209 | 74 | 58 | 17 | 7 | 1 | 788 | - | 40 | 302 | 233 | 169 | 156 | 52 | 6 | 59 | 1,017 |
Maryland | - | - | - | - | - | - | - | - | - | - | 4 | 188 | 176 | 40 | 17 | 9 | 5 | 3 | 4 | 441 | 33 | 122 | 453 | 148 | 39 | 23 | 12 | 8 | 2 | 807 |
Massachusetts | 3 | 9 | 7 | 1 | 0 | 0 | 0 | - | 0 | 17 | 20 | 9 | 32 | 39 | 28 | 11 | 4 | 1 | 2 | 126 | 96 | 24 | 59 | 35 | 70 | 47 | 26 | 7 | 11 | 277 |
Michigan | - | 213 | 95 | 36 | 16 | 11 | 3 | 2 | 1 | 376 | - | 1,042 | 753 | 195 | 95 | 51 | 23 | 14 | 23 | 2,196 | 150 | 1,675 | 1,700 | 545 | 394 | 153 | 110 | 38 | 248 | 4,861 |
Minnesota | - | 0 | 2 | 0 | 1 | 1 | 1 | 2 | 0 | 8 | 16 | 737 | 1,319 | 626 | 381 | 233 | 129 | 73 | 71 | 3,570 | 442 | 994 | 1,476 | 1,309 | 1,348 | 581 | 42 | 35 | 380 | 6,164 |
Mississippi | - | 1 | - | - | - | - | - | - | - | 1 | 59 | 349 | 1,081 | 224 | 107 | 69 | 13 | 22 | 2 | 1,866 | 147 | 428 | 1,270 | 930 | 753 | 131 | 10 | - | - | 3,521 |
Missouri | 0 | 429 | 466 | 49 | 15 | 4 | 2 | 1 | 1 | 967 | 2 | 657 | 931 | 310 | 147 | 67 | 26 | 11 | 8 | 2,157 | 15 | 243 | 1,154 | 1,115 | 687 | 477 | 173 | 77 | 53 | 3,979 |
Montana | - | - | - | - | - | - | - | - | - | - | - | 604 | 1,370 | 332 | 156 | 80 | 34 | 20 | 27 | 2,623 | - | 406 | 1,456 | 556 | 292 | 141 | 63 | 37 | 26 | 2,977 |
Nebraska | - | 25 | 197 | 91 | 20 | 6 | 2 | 8 | 1 | 351 | 1 | 807 | 815 | 344 | 169 | 113 | 50 | 48 | 15 | 2,361 | - | 952 | 1,322 | 678 | 598 | 356 | 110 | 128 | 9 | 4,153 |
Nevada | 0 | - | - | - | - | - | - | - | - | - | 1,071 | 156 | 271 | 14 | 3 | - | - | - | - | 444 | 365 | 115 | 201 | 68 | - | 11 | - | - | - | 394 |
New Hampshire | - | 18 | 4 | - | - | - | - | - | - | 21 | - | 54 | 177 | 55 | 31 | 12 | 1 | 5 | 0 | 336 | 0 | 62 | 159 | 102 | 21 | 25 | 44 | 25 | 24 | 462 |
New Jersey | - | - | - | - | - | - | - | - | - | - | 0 | 21 | 72 | 54 | 45 | 27 | 16 | 10 | 9 | 254 | 21 | 15 | 79 | 67 | 49 | 43 | 14 | 6 | 21 | 292 |
New Mexico | - | - | - | - | - | - | - | - | - | - | 9 | 687 | 839 | 162 | 114 | 31 | 11 | 4 | 1 | 1,849 | 69 | 341 | 623 | 316 | 254 | 87 | 84 | 28 | 140 | 1,874 |
New York | 1 | 15 | 65 | 27 | 13 | 4 | 2 | 0 | 1 | 128 | 1 | 99 | 751 | 336 | 135 | 50 | 17 | 10 | 10 | 1,409 | - | 18 | 1,791 | 945 | 397 | 344 | 204 | 6 | 40 | 3,746 |
North Carolina | 0 | 1 | 1 | 0 | 0 | 0 | 0 | - | 0 | 3 | 59 | 355 | 951 | 275 | 119 | 53 | 24 | 13 | 16 | 1,805 | 291 | 87 | 1,029 | 546 | 307 | 151 | 77 | 50 | 116 | 2,363 |
North Dakota | - | - | - | - | - | - | - | - | - | - | - | 717 | 1,562 | 395 | 120 | 76 | 20 | 8 | 37 | 2,935 | - | 678 | 1,055 | 309 | 257 | 74 | 5 | 120 | 17 | 2,515 |
Ohio | - | - | - | - | - | - | - | - | - | - | 3 | 383 | 1,012 | 370 | 131 | 44 | 20 | 5 | 5 | 1,970 | - | 182 | 1,306 | 711 | 342 | 52 | 32 | 21 | 11 | 2,657 |
Oklahoma | - | - | - | - | - | - | - | - | - | - | - | 284 | 981 | 539 | 279 | 112 | 59 | 46 | 28 | 2,328 | - | 252 | 998 | 572 | 575 | 219 | 34 | 52 | - | 2,703 |
Oregon | - | - | - | - | - | - | - | - | - | - | 1 | 388 | 1,554 | 480 | 234 | 109 | 13 | 8 | 6 | 2,793 | 1,445 | 203 | 1,057 | 534 | 396 | 140 | 24 | 9 | 1 | 2,365 |
Pennsylvania | 5 | 99 | 150 | 40 | 15 | 13 | 5 | 2 | 1 | 323 | 42 | 248 | 728 | 312 | 156 | 58 | 19 | 8 | 10 | 1,538 | - | 369 | 1,029 | 973 | 214 | 259 | 176 | - | 76 | 3,096 |
Rhode Island | - | - | - | - | - | - | - | - | - | - | 0 | - | - | 4 | 10 | 9 | 3 | 8 | 14 | 48 | - | - | 4 | 8 | 16 | 12 | 6 | 6 | 15 | 66 |
South Carolina | - | - | - | - | - | - | - | - | - | - | - | 149 | 698 | 266 | 129 | 39 | 4 | 2 | 3 | 1,289 | 258 | 146 | 1,476 | 1,098 | 431 | 71 | 19 | - | 15 | 3,256 |
South Dakota | - | - | - | - | - | - | - | - | - | - | 117 | 474 | 1,406 | 304 | 165 | 43 | 18 | 5 | 0 | 2,415 | 5 | 656 | 1,040 | 466 | 424 | 267 | 157 | 73 | 1 | 3,084 |
Tennessee | - | - | - | - | - | - | - | - | - | - | 17 | 852 | 754 | 159 | 63 | 27 | 12 | 7 | 4 | 1,878 | 238 | 948 | 1,403 | 465 | 211 | 60 | 53 | 14 | 27 | 3,182 |
Texas | - | - | - | - | - | - | - | - | - | - | 106 | 1,074 | 3,253 | 1,826 | 792 | 265 | 80 | 21 | 19 | 7,330 | 26 | 949 | 3,868 | 2,778 | 1,351 | 657 | 205 | 55 | 57 | 9,920 |
Utah | - | - | - | - | - | - | - | - | - | - | - | 43 | 439 | 308 | 130 | 68 | 28 | 11 | 4 | 1,032 | 0 | 73 | 389 | 293 | 185 | 297 | 148 | 17 | 1 | 1,404 |
Vermont | - | - | - | - | - | - | - | - | - | - | 0 | 46 | 162 | 49 | 25 | 15 | 8 | 6 | 10 | 319 | - | 57 | 175 | 130 | 97 | 77 | 43 | 47 | 104 | 728 |
Virginia | 2 | - | - | - | - | - | - | - | - | - | 3 | 128 | 901 | 266 | 91 | 9 | 10 | 1 | 0 | 1,406 | 3 | 145 | 1,569 | 1,513 | 152 | 7 | 15 | 4 | 3 | 3,408 |
Washington | - | 135 | 320 | 146 | 54 | 20 | 24 | 20 | 3 | 723 | 0 | 135 | 724 | 262 | 73 | 40 | 11 | 6 | 7 | 1,257 | - | 142 | 626 | 460 | 355 | 242 | 56 | 18 | 9 | 1,909 |
West Virginia | - | - | - | - | - | - | - | - | - | - | 16 | 51 | 535 | 223 | 166 | 51 | 21 | 9 | 12 | 1,068 | - | - | 550 | 219 | 158 | 196 | 74 | 99 | 10 | 1,305 |
Wisconsin | - | 34 | 74 | 37 | 48 | 21 | - | - | - | 214 | 1 | 563 | 1,059 | 640 | 372 | 179 | 87 | 29 | 32 | 2,961 | 59 | 899 | 1,738 | 648 | 466 | 606 | 228 | 145 | 89 | 4,819 |
Wyoming | - | - | - | - | - | - | - | - | - | - | 58 | 151 | 1,025 | 523 | 158 | 55 | 7 | 3 | 12 | 1,934 | - | 99 | 377 | 304 | 305 | 52 | 57 | - | - | 1,194 |
U.S. Total | 57 | 1,459 | 1,751 | 518 | 232 | 106 | 48 | 40 | 12 | 4,167 | 3,450 | 19,751 | 40,258 | 14,629 | 7,004 | 3,355 | 1,391 | 770 | 672 | 87,830 | 12,422 | 16,086 | 48,294 | 26,730 | 15,579 | 8,105 | 3,932 | 1,679 | 2,458 | 122,863 |
Puerto Rico 4/ | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 3 | 23 | 6 | 2 | - | 7 | 42 | 13 | - | - | - | - | 18 | 30 | 38 | 132 | 218 |
Grand Total | 57 | 1,459 | 1,751 | 518 | 232 | 106 | 48 | 40 | 12 | 4,167 | 3,451 | 19,751 | 40,259 | 14,632 | 7,027 | 3,361 | 1,393 | 770 | 679 | 87,872 | 12,435 | 16,086 | 48,294 | 26,730 | 15,579 | 8,123 | 3,962 | 1,717 | 2,590 | 123,081 |
March 2013
Table HM-64
3 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE | ||||||||||
NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 1 | 157 | 101 | 37 | 30 | 17 | 10 | 8 | 7 | 368 |
Alaska | - | 21 | 30 | 15 | 8 | 2 | 1 | - | 1 | 79 |
Arizona | 72 | 51 | 48 | 10 | 3 | 1 | 1 | 1 | 1 | 116 |
Arkansas | 0 | 52 | 64 | 32 | 23 | 18 | 11 | 8 | 6 | 214 |
California | 198 | 57 | 312 | 198 | 132 | 103 | 74 | 51 | 50 | 976 |
Colorado | - | 40 | 121 | 52 | 36 | 11 | 7 | 1 | - | 268 |
Connecticut | - | 40 | 164 | 48 | 29 | 13 | 3 | 3 | 3 | 303 |
Delaware | - | 2 | 18 | 12 | 4 | 3 | 1 | 2 | 0 | 41 |
Dist. of Columbia | 5 | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 8 |
Florida | 29 | 321 | 294 | 54 | 25 | 12 | 6 | 3 | 3 | 718 |
Georgia | 104 | 199 | 167 | 44 | 17 | 2 | - | - | - | 427 |
Hawaii | 0 | 4 | 10 | 6 | 6 | 6 | 5 | 4 | 7 | 48 |
Idaho | - | 68 | 19 | 3 | 0 | 0 | 0 | - | - | 90 |
Illinois | - | 136 | 289 | 101 | 47 | 236 | 7 | - | 9 | 826 |
Indiana | 64 | 126 | 132 | 53 | 29 | 24 | 13 | 10 | 9 | 396 |
Iowa | 5 | 13 | 73 | 27 | 19 | 12 | 3 | 3 | - | 149 |
Kansas | - | 49 | 72 | 52 | 35 | 9 | 1 | - | - | 218 |
Kentucky | 32 | 70 | 68 | 17 | 6 | 5 | 2 | 1 | 2 | 172 |
Louisiana | - | 34 | 88 | 107 | 46 | 59 | 22 | 8 | 2 | 365 |
Maine | - | 18 | 33 | 17 | 1 | - | 0 | 0 | - | 69 |
Maryland | 2 | 96 | 117 | 28 | 16 | 11 | 9 | 6 | 12 | 295 |
Massachusetts | 15 | 205 | 172 | 35 | 16 | 11 | 9 | 7 | 13 | 468 |
Michigan | - | 142 | 263 | 100 | 55 | 33 | 21 | 12 | 10 | 635 |
Minnesota | 3 | 32 | 118 | 49 | 36 | 27 | 14 | 3 | 3 | 281 |
Mississippi | - | 33 | 100 | 40 | 17 | 11 | 1 | - | - | 201 |
Missouri | 0 | 207 | 196 | 37 | 17 | 11 | 5 | 5 | 6 | 482 |
Montana | - | 21 | 34 | 2 | 4 | 1 | 0 | 0 | 0 | 63 |
Nebraska | - | 6 | 31 | 15 | 8 | 3 | 0 | - | - | 64 |
Nevada | 100 | 7 | 12 | 1 | - | 0 | - | - | - | 21 |
New Hampshire | - | 41 | 31 | 4 | 0 | - | - | - | - | 76 |
New Jersey | 9 | 106 | 113 | 49 | 30 | 18 | 13 | 11 | 18 | 357 |
New Mexico | - | 62 | 64 | 13 | 10 | 2 | - | 1 | 0 | 152 |
New York | 2 | 80 | 436 | 142 | 59 | 49 | 22 | 26 | 41 | 855 |
North Carolina | 18 | 241 | 243 | 69 | 33 | 16 | 8 | 2 | 2 | 614 |
North Dakota | - | 18 | 33 | 1 | - | - | - | - | - | 52 |
Ohio | - | 178 | 426 | 141 | 59 | 26 | 9 | 9 | 3 | 850 |
Oklahoma | - | 47 | 105 | 40 | 25 | 8 | 8 | 5 | 10 | 249 |
Oregon | - | 13 | 120 | 30 | 4 | 8 | 1 | - | 0 | 176 |
Pennsylvania | 19 | 161 | 317 | 144 | 54 | 24 | 11 | 4 | 1 | 716 |
Rhode Island | - | 7 | 31 | 9 | 1 | 2 | 0 | 0 | - | 50 |
South Carolina | - | 94 | 113 | 30 | 21 | 7 | 4 | 1 | 1 | 270 |
South Dakota | 7 | - | 42 | 13 | 5 | 6 | 1 | 1 | - | 69 |
Tennessee | 1 | 273 | 91 | 24 | 11 | 6 | 3 | 2 | 6 | 416 |
Texas | 20 | 154 | 484 | 261 | 144 | 76 | 29 | 13 | 6 | 1,167 |
Utah | - | 65 | 74 | 42 | 23 | 6 | 2 | 0 | - | 213 |
Vermont | - | 28 | 9 | 1 | 0 | 1 | 0 | 0 | 1 | 40 |
Virginia | 2 | 43 | 219 | 118 | 42 | 27 | 3 | 6 | 2 | 460 |
Washington | 0 | 49 | 149 | 44 | 21 | 14 | 11 | 4 | 4 | 297 |
West Virginia | - | 29 | 125 | 19 | 6 | 4 | 3 | - | 0 | 187 |
Wisconsin | - | 37 | 94 | 78 | 34 | 12 | 6 | 3 | - | 265 |
Wyoming | 1 | 11 | 50 | 28 | 6 | 2 | 4 | 0 | - | 100 |
U.S. Total | 711 | 3,947 | 6,515 | 2,492 | 1,254 | 952 | 366 | 228 | 239 | 15,994 |
Puerto Rico 4/ | 2 | - | 30 | 74 | 47 | 44 | 28 | 7 | 6 | 236 |
Grand Total | 713 | 3,947 | 6,545 | 2,566 | 1,301 | 996 | 394 | 235 | 245 | 16,230 |
March 2013
Table HM-64
4 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OTHER FREEWAYS & EXPRESSWAYS | OTHER PRINCIPAL ARTERIAL | |||||||||||||||||||
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 | 2 | 18 | 18 | 8 | 5 | 3 | 1 | 0 | 0 | 53 | 25 | 357 | 399 | 128 | 66 | 39 | 18 | 14 | 17 | 1,038 |
Alaska | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 19 | 22 | 35 | 16 | 11 | 7 | 11 | 122 |
Arizona | 171 | 1 | 1 | 0 | 1 | 2 | 1 | - | 1 | 7 | 958 | 48 | 127 | 62 | 54 | 57 | 56 | 31 | 41 | 477 |
Arkansas | 2 | 9 | 25 | 12 | 9 | 11 | 9 | 6 | 5 | 85 | 65 | 31 | 177 | 138 | 94 | 71 | 39 | 29 | 44 | 624 |
California | 243 | 56 | 410 | 304 | 218 | 134 | 81 | 44 | 49 | 1,296 | 1,278 | 30 | 253 | 450 | 716 | 1,000 | 819 | 773 | 1,231 | 5,272 |
Colorado | - | 22 | 131 | 68 | 54 | 23 | 7 | 7 | 1 | 312 | 3 | 25 | 157 | 166 | 235 | 191 | 142 | 88 | 176 | 1,180 |
Connecticut | - | 21 | 106 | 49 | 30 | 15 | 9 | 5 | 4 | 240 | - | 1 | 41 | 115 | 142 | 136 | 83 | 64 | 100 | 681 |
Delaware | 0 | 4 | 15 | 8 | 2 | 1 | 1 | - | 0 | 30 | 4 | 6 | 58 | 34 | 20 | 18 | 8 | 9 | 19 | 172 |
Dist. of Columbia | - | - | - | 3 | 2 | 1 | 2 | 4 | 5 | 17 | 3 | 0 | - | - | - | 3 | 6 | 3 | 88 | 101 |
Florida | 13 | 153 | 277 | 58 | 29 | 19 | 8 | 6 | 4 | 553 | 276 | 736 | 1,486 | 487 | 245 | 138 | 76 | 48 | 122 | 3,339 |
Georgia | 34 | 36 | 51 | 20 | 3 | 1 | - | - | 1 | 113 | 705 | 316 | 596 | 190 | 69 | 29 | 9 | 6 | 4 | 1,219 |
Hawaii | 0 | 2 | 8 | 6 | 5 | 3 | 2 | 2 | 5 | 33 | 7 | 35 | 49 | 35 | 29 | 22 | 15 | 11 | 30 | 226 |
Idaho | - | - | - | - | - | - | - | - | - | - | 104 | 87 | 110 | 51 | 35 | 24 | 14 | 11 | 21 | 352 |
Illinois | - | 12 | 31 | 24 | 8 | 17 | 7 | 0 | 0 | 99 | 163 | 81 | 606 | 602 | 517 | 436 | 262 | 184 | 290 | 2,978 |
Indiana | 6 | 58 | 36 | 26 | 15 | 10 | 8 | 4 | 5 | 164 | 21 | 268 | 481 | 239 | 191 | 178 | 152 | 111 | 219 | 1,840 |
Iowa | - | - | - | - | - | - | - | - | - | - | 86 | 17 | 129 | 183 | 154 | 77 | 70 | 38 | 73 | 739 |
Kansas | 2 | 19 | 119 | 33 | 8 | 4 | 3 | - | - | 185 | 4 | 30 | 198 | 113 | 137 | 160 | 84 | 44 | 33 | 797 |
Kentucky | 13 | 23 | 22 | 4 | 2 | 1 | 0 | 0 | 0 | 53 | 111 | 93 | 225 | 137 | 93 | 65 | 40 | 31 | 53 | 736 |
Louisiana | - | 3 | - | 18 | 7 | 10 | 8 | 5 | - | 52 | 85 | 17 | 186 | 177 | 163 | 119 | 113 | 100 | 125 | 1,000 |
Maine | - | - | 9 | 4 | 4 | 0 | 0 | 0 | 1 | 19 | - | 5 | 27 | 25 | 32 | 17 | 15 | 11 | 10 | 143 |
Maryland | 48 | 70 | 101 | 33 | 21 | 14 | 9 | 4 | 6 | 258 | 176 | 80 | 256 | 156 | 122 | 91 | 61 | 42 | 104 | 911 |
Massachusetts | 31 | 81 | 115 | 40 | 22 | 14 | 8 | 5 | 10 | 294 | 354 | 12 | 124 | 196 | 234 | 232 | 181 | 151 | 360 | 1,491 |
Michigan | - | 79 | 133 | 63 | 29 | 10 | 7 | 4 | 4 | 329 | 6 | 122 | 325 | 277 | 315 | 308 | 184 | 252 | 516 | 2,299 |
Minnesota | 6 | 9 | 58 | 41 | 23 | 9 | 7 | 3 | 0 | 152 | 72 | 63 | 224 | 101 | 78 | 57 | 27 | 21 | 26 | 598 |
Mississippi | - | 9 | 40 | 11 | 7 | 3 | - | - | - | 70 | 88 | 61 | 317 | 155 | 112 | 91 | 51 | 44 | 76 | 907 |
Missouri | 13 | 145 | 198 | 57 | 26 | 11 | 7 | 4 | 4 | 452 | 251 | 104 | 299 | 164 | 96 | 54 | 40 | 27 | 49 | 832 |
Montana | - | - | - | - | - | - | - | - | - | - | - | 7 | 40 | 48 | 23 | 17 | 16 | 11 | 29 | 191 |
Nebraska | - | 9 | 33 | 8 | - | 27 | 3 | 7 | 5 | 92 | 115 | 8 | 33 | 17 | 34 | 64 | 44 | 43 | 48 | 291 |
Nevada | 60 | 4 | 4 | - | 1 | - | - | - | - | 9 | 284 | 25 | 21 | 5 | 2 | 2 | 1 | 0 | 1 | 57 |
New Hampshire | - | 29 | 21 | 1 | 1 | 0 | 1 | - | 0 | 52 | 0 | 20 | 77 | 47 | 20 | 19 | 15 | 9 | 13 | 220 |
New Jersey | 2 | 49 | 158 | 83 | 44 | 25 | 16 | 12 | 15 | 402 | 128 | 42 | 203 | 218 | 199 | 178 | 159 | 141 | 435 | 1,576 |
New Mexico | - | - | - | - | - | - | - | - | - | - | 46 | 59 | 155 | 129 | 123 | 65 | 52 | 31 | 32 | 648 |
New York | 2 | 40 | 226 | 168 | 126 | 81 | 67 | 39 | 63 | 811 | 37 | 21 | 469 | 484 | 387 | 259 | 188 | 154 | 834 | 2,797 |
North Carolina | 16 | 111 | 225 | 60 | 30 | 15 | 6 | 4 | 4 | 456 | 144 | 136 | 680 | 355 | 218 | 121 | 65 | 42 | 88 | 1,705 |
North Dakota | - | - | - | - | - | - | - | - | - | - | 2 | 7 | 32 | 29 | 33 | 21 | 18 | 12 | 13 | 164 |
Ohio | 2 | 49 | 253 | 83 | 44 | 28 | 9 | 10 | 6 | 482 | 5 | 67 | 538 | 458 | 399 | 327 | 186 | 133 | 314 | 2,421 |
Oklahoma | - | 10 | 102 | 34 | 18 | 14 | 5 | 2 | 3 | 188 | 6 | 35 | 166 | 186 | 147 | 141 | 108 | 93 | 177 | 1,054 |
Oregon | 2 | 5 | 19 | 20 | 8 | 3 | 1 | - | 0 | 55 | 4 | 33 | 179 | 178 | 96 | 134 | 61 | 42 | 35 | 757 |
Pennsylvania | 17 | 60 | 214 | 125 | 54 | 34 | 12 | 7 | 3 | 508 | 463 | 103 | 484 | 450 | 412 | 328 | 212 | 159 | 221 | 2,369 |
Rhode Island | 1 | 4 | 26 | 30 | 16 | 6 | 3 | 1 | 1 | 87 | 15 | - | 5 | 23 | 35 | 90 | 59 | 63 | 72 | 346 |
South Carolina | - | 13 | 43 | 16 | 6 | 4 | - | 0 | 0 | 82 | - | 123 | 306 | 302 | 177 | 81 | 31 | 17 | 17 | 1,055 |
South Dakota | 0 | - | 5 | 4 | 2 | 0 | - | - | - | 11 | 44 | 3 | 20 | 18 | 17 | 20 | 10 | 7 | 4 | 98 |
Tennessee | 1 | 70 | 44 | 19 | 10 | 5 | 2 | 2 | 1 | 154 | 34 | 381 | 510 | 218 | 124 | 93 | 58 | 38 | 88 | 1,510 |
Texas | 62 | 100 | 494 | 392 | 270 | 122 | 44 | 19 | 10 | 1,450 | 200 | 200 | 1,247 | 1,056 | 833 | 669 | 469 | 466 | 692 | 5,633 |
Utah | - | 5 | 12 | 2 | 1 | - | - | - | - | 20 | 21 | 41 | 149 | 81 | 46 | 36 | 13 | 6 | 4 | 375 |
Vermont | 4 | 3 | 8 | 1 | 1 | 0 | 0 | 0 | 0 | 14 | 7 | 3 | 25 | 16 | 13 | 9 | 6 | 6 | 17 | 96 |
Virginia | 7 | 31 | 141 | 43 | 27 | 5 | 3 | 0 | 1 | 252 | 58 | 8 | 329 | 316 | 212 | 195 | 93 | 78 | 72 | 1,302 |
Washington | 1 | 71 | 171 | 64 | 33 | 15 | 8 | 9 | 9 | 379 | 66 | 12 | 135 | 194 | 191 | 167 | 146 | 109 | 332 | 1,286 |
West Virginia | - | - | 1 | 1 | 3 | 2 | 1 | 1 | 2 | 10 | 0 | 14 | 132 | 79 | 47 | 25 | 14 | 13 | 11 | 335 |
Wisconsin | - | 16 | 98 | 92 | 80 | 43 | 13 | 6 | 1 | 349 | 21 | 36 | 181 | 329 | 278 | 457 | 225 | 162 | 191 | 1,858 |
Wyoming | 3 | - | - | - | - | - | - | - | - | - | 18 | 4 | 63 | 48 | 34 | 20 | 11 | 5 | 16 | 202 |
U.S. Total | 765 | 1,511 | 4,200 | 2,136 | 1,306 | 745 | 380 | 220 | 231 | 10,730 | 6,563 | 4,011 | 13,047 | 9,687 | 8,081 | 7,166 | 4,839 | 3,991 | 7,598 | 58,419 |
Puerto Rico 4/ | 2 | - | - | 3 | 9 | 12 | 11 | 7 | 8 | 50 | 13 | - | 4 | 26 | 53 | 65 | 74 | 55 | 111 | 388 |
Grand Total | 767 | 1,511 | 4,200 | 2,139 | 1,315 | 757 | 391 | 227 | 239 | 10,780 | 6,576 | 4,011 | 13,051 | 9,713 | 8,134 | 7,231 | 4,913 | 4,046 | 7,709 | 58,807 |
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. Includes structures.
2/ May include unpaved miles.
3/ Estimated from sample data.
4/ 2009 data.