U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
OCTOBER 1999
TABLE HM-64
SHEET 1 OF 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE | ||||||||||||||
NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED |
|||||
Alabama | 0 | 94 | 348 | 95 | 43 | 21 | 0 | 0 | 0 | 601 | ||||
Alaska | 0 | 12 | 238 | 337 | 326 | 30 | 69 | 13 | 5 | 1,030 | ||||
Arizona | 0 | 363 | 518 | 76 | 24 | 2 | 12 | 1 | 1 | 997 | ||||
Arkansas | 0 | 0 | 56 | 38 | 50 | 83 | 51 | 49 | 66 | 393 | ||||
California | 0 | 7 | 608 | 298 | 240 | 124 | 40 | 13 | 27 | 1,357 | ||||
Colorado | 0 | 9 | 187 | 154 | 177 | 137 | 38 | 56 | 11 | 769 | ||||
Connecticut | 0 | 1 | 66 | 15 | 13 | 4 | 1 | 0 | 2 | 102 | ||||
Delaware | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
Dist. of Columbia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
Florida | 45 | 703 | 70 | 45 | 75 | 16 | 0 | 0 | 0 | 909 | ||||
Georgia | 0 | 620 | 175 | 12 | 0 | 0 | 0 | 0 | 0 | 807 | ||||
Hawaii | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
Idaho | 0 | 168 | 257 | 83 | 10 | 0 | 7 | 0 | 1 | 526 | ||||
Illinois | 1,518 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
Indiana | 0 | 292 | 393 | 76 | 34 | 58 | 0 | 0 | 0 | 853 | ||||
Iowa | 0 | 61 | 323 | 203 | 41 | 6 | 1 | 0 | 0 | 635 | ||||
Kansas | 0 | 254 | 303 | 50 | 69 | 15 | 7 | 0 | 0 | 698 | ||||
Kentucky | 0 | 131 | 215 | 33 | 102 | 54 | 0 | 0 | 0 | 535 | ||||
Louisiana | 37 | 0 | 140 | 145 | 91 | 142 | 27 | 6 | 23 | 574 | ||||
Maine | 41 | 38 | 206 | 26 | 2 | 0 | 0 | 0 | 0 | 272 | ||||
Maryland | 0 | 12 | 164 | 45 | 6 | 1 | 1 | 0 | 0 | 229 | ||||
Massachusetts | 0 | 3 | 86 | 65 | 6 | 0 | 0 | 0 | 1 | 161 | ||||
Michigan | 0 | 35 | 257 | 172 | 130 | 82 | 42 | 20 | 4 | 742 | ||||
Minnesota | 0 | 47 | 299 | 165 | 85 | 30 | 35 | 10 | 10 | 681 | ||||
Mississippi | 0 | 12 | 212 | 152 | 69 | 83 | 23 | 1 | 5 | 557 | ||||
Missouri | 0 | 7 | 230 | 260 | 213 | 79 | 16 | 1 | 0 | 806 | ||||
Montana | 0 | 275 | 576 | 154 | 76 | 43 | 5 | 5 | 0 | 1,134 | ||||
Nebraska | 0 | 95 | 139 | 57 | 63 | 57 | 25 | 0 | 0 | 436 | ||||
Nevada | 0 | 228 | 145 | 42 | 24 | 12 | 21 | 4 | 4 | 480 | ||||
New Hampshire | 0 | 51 | 95 | 24 | 6 | 0 | 0 | 0 | 0 | 176 | ||||
New Jersey | 6 | 0 | 32 | 34 | 18 | 6 | 12 | 8 | 3 | 113 | ||||
New Mexico | 0 | 204 | 364 | 217 | 56 | 27 | 16 | 7 | 1 | 892 | ||||
New York | 0 | 0 | 521 | 151 | 79 | 26 | 10 | 2 | 7 | 796 | ||||
North Carolina | 0 | 28 | 161 | 109 | 109 | 144 | 63 | 21 | 1 | 636 | ||||
North Dakota | 0 | 73 | 314 | 105 | 38 | 0 | 0 | 0 | 0 | 530 | ||||
Ohio | 0 | 328 | 427 | 55 | 19 | 1 | 0 | 0 | 0 | 830 | ||||
Oklahoma | 0 | 81 | 351 | 147 | 105 | 14 | 22 | 1 | 1 | 722 | ||||
Oregon | 0 | 0 | 4 | 39 | 151 | 165 | 103 | 77 | 41 | 580 | ||||
Pennsylvania | 0 | 42 | 713 | 297 | 101 | 41 | 6 | 0 | 1 | 1,201 | ||||
Rhode Island | 0 | 0 | 18 | 4 | 0 | 0 | 0 | 0 | 0 | 22 | ||||
South Carolina | 0 | 271 | 289 | 91 | 21 | 0 | 0 | 0 | 0 | 672 | ||||
South Dakota | 23 | 0 | 199 | 175 | 83 | 112 | 33 | 3 | 0 | 605 | ||||
Tennessee | 637 | 20 | 62 | 4 | 12 | 0 | 0 | 0 | 0 | 98 | ||||
Texas | 0 | 303 | 1,411 | 351 | 99 | 49 | 2 | 0 | 1 | 2,216 | ||||
Utah | 0 | 239 | 318 | 117 | 49 | 31 | 13 | 3 | 0 | 770 | ||||
Vermont | 0 | 100 | 146 | 19 | 13 | 3 | 0 | 0 | 0 | 281 | ||||
Virginia | 0 | 7 | 356 | 284 | 56 | 9 | 4 | 0 | 0 | 716 | ||||
Washington | 0 | 211 | 218 | 51 | 19 | 0 | 2 | 0 | 0 | 501 | ||||
West Virginia | 0 | 78 | 214 | 69 | 56 | 33 | 3 | 2 | 0 | 455 | ||||
Wisconsin | 0 | 46 | 199 | 145 | 135 | 42 | 8 | 1 | 0 | 576 | ||||
Wyoming | 0 | 252 | 369 | 134 | 52 | 19 | 0 | 0 | 0 | 826 | ||||
U.S. Total | 2,313 | 5,801 | 12,992 | 5,420 | 3,246 | 1,801 | 718 | 304 | 216 | 30,498 | ||||
Puerto Rico | 0 | 0 | 5 | 24 | 51 | 15 | 5 | 0 | 3 | 103 | ||||
Grand Total | 2,313 | 5,801 | 12,997 | 5,444 | 3,297 | 1,816 | 723 | 304 | 219 | 30,601 |
OCTOBER 1999
TABLE HM-64
SHEET 2 OF 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OTHER PRINCIPAL ARTERIAL | MINOR ARTERIAL | |||||||||||||||||||
NOT REPORTED |
< 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED |
NOT REPORTED |
< 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED |
|
Alabama | 0 | 157 | 1,113 | 605 | 142 | 43 | 6 | 2 | 7 | 2,075 | 0 | 406 | 1,393 | 1,209 | 555 | 93 | 38 | 0 | 0 | 3,694 |
Alaska | 455 | 6 | 90 | 68 | 134 | 16 | 29 | 11 | 0 | 354 | 212 | 0 | 61 | 0 | 118 | 9 | 0 | 37 | 0 | 225 |
Arizona | 0 | 152 | 389 | 317 | 161 | 80 | 47 | 17 | 22 | 1,185 | 0 | 160 | 374 | 214 | 346 | 72 | 53 | 17 | 22 | 1,258 |
Arkansas | 36 | 9 | 711 | 699 | 386 | 221 | 109 | 44 | 15 | 2,194 | 37 | 0 | 682 | 846 | 541 | 463 | 316 | 49 | 14 | 2,911 |
California | 0 | 32 | 1,043 | 1,135 | 891 | 439 | 96 | 48 | 4 | 3,688 | 0 | 298 | 1,264 | 1,758 | 1,551 | 1,179 | 352 | 244 | 254 | 6,900 |
Colorado | 0 | 6 | 269 | 475 | 487 | 337 | 139 | 229 | 256 | 2,198 | 0 | 0 | 562 | 623 | 1,121 | 439 | 208 | 420 | 309 | 3,682 |
Connecticut | 0 | 3 | 58 | 89 | 64 | 31 | 11 | 4 | 3 | 263 | 0 | 0 | 12 | 134 | 248 | 48 | 31 | 14 | 12 | 499 |
Delaware | 0 | 5 | 88 | 90 | 23 | 3 | 4 | 3 | 2 | 218 | 0 | 0 | 51 | 18 | 17 | 5 | 4 | 7 | 3 | 105 |
Dist. of Columbia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Florida | 86 | 1,615 | 1,403 | 312 | 141 | 98 | 20 | 19 | 24 | 3,632 | 242 | 575 | 1,323 | 200 | 176 | 36 | 30 | 0 | 0 | 2,340 |
Georgia | 0 | 2,309 | 442 | 35 | 2 | 2 | 0 | 0 | 0 | 2,790 | 0 | 4,707 | 721 | 174 | 0 | 0 | 0 | 0 | 0 | 5,602 |
Hawaii | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 375 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Idaho | 1 | 276 | 654 | 462 | 200 | 65 | 9 | 4 | 3 | 1,673 | 4 | 180 | 424 | 423 | 159 | 80 | 24 | 0 | 15 | 1,305 |
Illinois | 2,631 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4,830 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indiana | 4 | 211 | 643 | 373 | 269 | 150 | 46 | 11 | 2 | 1,705 | 6 | 142 | 875 | 731 | 171 | 234 | 64 | 12 | 0 | 2,229 |
Iowa | 131 | 322 | 1,125 | 616 | 453 | 398 | 266 | 49 | 69 | 3,298 | 386 | 554 | 830 | 312 | 734 | 539 | 314 | 167 | 119 | 3,569 |
Kansas | 70 | 715 | 1,553 | 519 | 201 | 76 | 20 | 15 | 3 | 3,102 | 7 | 1,120 | 1,897 | 800 | 152 | 67 | 141 | 5 | 104 | 4,286 |
Kentucky | 0 | 256 | 1,248 | 254 | 153 | 117 | 17 | 0 | 2 | 2,047 | 0 | 1 | 874 | 350 | 327 | 53 | 2 | 0 | 1 | 1,608 |
Louisiana | 21 | 17 | 359 | 253 | 190 | 154 | 130 | 80 | 31 | 1,214 | 0 | 3 | 350 | 265 | 408 | 153 | 118 | 104 | 156 | 1,557 |
Maine | 7 | 101 | 398 | 170 | 64 | 25 | 9 | 7 | 7 | 781 | 41 | 74 | 473 | 175 | 159 | 41 | 58 | 40 | 11 | 1,031 |
Maryland | 0 | 49 | 330 | 110 | 27 | 16 | 10 | 3 | 3 | 548 | 0 | 61 | 515 | 225 | 115 | 65 | 7 | 2 | 0 | 990 |
Massachusetts | 9 | 0 | 97 | 114 | 38 | 32 | 10 | 10 | 2 | 303 | 137 | 0 | 77 | 214 | 56 | 142 | 15 | 13 | 15 | 532 |
Michigan | 18 | 330 | 1,046 | 620 | 348 | 223 | 89 | 52 | 36 | 2,744 | 0 | 851 | 1,658 | 645 | 417 | 349 | 61 | 35 | 65 | 4,081 |
Minnesota | 0 | 635 | 1,267 | 725 | 501 | 197 | 129 | 45 | 77 | 3,576 | 0 | 359 | 2,878 | 1,277 | 1,039 | 435 | 17 | 232 | 45 | 6,282 |
Mississippi | 0 | 15 | 625 | 489 | 469 | 176 | 38 | 25 | 13 | 1,850 | 0 | 0 | 1,259 | 1,300 | 1,000 | 260 | 34 | 49 | 16 | 3,918 |
Missouri | 51 | 61 | 562 | 922 | 783 | 477 | 183 | 35 | 26 | 3,049 | 0 | 0 | 685 | 1,021 | 693 | 633 | 353 | 49 | 12 | 3,446 |
Montana | 0 | 259 | 1,359 | 543 | 226 | 140 | 63 | 24 | 9 | 2,623 | 0 | 220 | 1,414 | 720 | 402 | 181 | 48 | 0 | 0 | 2,985 |
Nebraska | 0 | 520 | 946 | 381 | 387 | 173 | 167 | 93 | 48 | 2,715 | 0 | 565 | 1,589 | 579 | 491 | 382 | 267 | 96 | 231 | 4,200 |
Nevada | 0 | 164 | 606 | 169 | 338 | 86 | 23 | 0 | 2 | 1,388 | 0 | 93 | 281 | 155 | 113 | 79 | 0 | 4 | 0 | 725 |
New Hampshire | 0 | 64 | 234 | 85 | 30 | 20 | 12 | 7 | 5 | 457 | 0 | 53 | 218 | 109 | 70 | 10 | 11 | 6 | 8 | 485 |
New Jersey | 88 | 0 | 43 | 88 | 99 | 77 | 40 | 36 | 61 | 444 | 90 | 0 | 65 | 60 | 72 | 108 | 23 | 18 | 53 | 399 |
New Mexico | 5 | 80 | 567 | 427 | 318 | 192 | 70 | 58 | 81 | 1,793 | 32 | 26 | 448 | 421 | 285 | 171 | 200 | 3 | 281 | 1,835 |
New York | 16 | 2 | 996 | 389 | 183 | 147 | 111 | 62 | 93 | 1,983 | 32 | 11 | 1,976 | 932 | 412 | 210 | 125 | 187 | 234 | 4,087 |
North Carolina | 36 | 19 | 807 | 518 | 421 | 258 | 92 | 42 | 42 | 2,199 | 68 | 22 | 659 | 749 | 643 | 414 | 324 | 46 | 77 | 2,934 |
North Dakota | 0 | 348 | 1,381 | 800 | 265 | 85 | 43 | 7 | 2 | 2,931 | 0 | 165 | 1,136 | 973 | 206 | 31 | 3 | 0 | 0 | 2,514 |
Ohio | 0 | 394 | 1,431 | 244 | 99 | 40 | 11 | 3 | 4 | 2,226 | 0 | 420 | 1,841 | 302 | 233 | 24 | 0 | 0 | 10 | 2,830 |
Oklahoma | 0 | 52 | 1,038 | 617 | 326 | 198 | 92 | 25 | 18 | 2,366 | 0 | 185 | 684 | 907 | 517 | 367 | 54 | 16 | 19 | 2,749 |
Oregon | 4 | 0 | 563 | 1,159 | 806 | 174 | 47 | 31 | 48 | 2,828 | 0 | 12 | 347 | 469 | 533 | 290 | 295 | 88 | 177 | 2,211 |
Pennsylvania | 1 | 107 | 908 | 658 | 410 | 246 | 91 | 45 | 28 | 2,493 | 0 | 334 | 2,488 | 94 | 614 | 1,510 | 0 | 65 | 0 | 5,105 |
Rhode Island | 0 | 0 | 26 | 21 | 12 | 6 | 1 | 1 | 0 | 67 | 0 | 2 | 37 | 12 | 10 | 10 | 0 | 2 | 2 | 75 |
South Carolina | 0 | 106 | 569 | 388 | 207 | 115 | 27 | 22 | 20 | 1,454 | 0 | 370 | 1,084 | 754 | 903 | 390 | 35 | 67 | 57 | 3,660 |
South Dakota | 114 | 26 | 481 | 525 | 595 | 437 | 210 | 94 | 58 | 2,426 | 83 | 0 | 686 | 905 | 786 | 466 | 245 | 131 | 49 | 3,268 |
Tennessee | 1,615 | 22 | 127 | 30 | 15 | 9 | 0 | 0 | 0 | 203 | 60 | 59 | 1,766 | 704 | 293 | 347 | 182 | 0 | 0 | 3,351 |
Texas | 0 | 726 | 3,049 | 2,086 | 691 | 205 | 53 | 27 | 24 | 6,861 | 0 | 827 | 3,907 | 3,040 | 1,371 | 298 | 147 | 40 | 12 | 9,642 |
Utah | 0 | 88 | 534 | 225 | 114 | 38 | 5 | 2 | 2 | 1,008 | 0 | 77 | 518 | 511 | 250 | 149 | 6 | 16 | 8 | 1,535 |
Vermont | 0 | 13 | 68 | 54 | 75 | 53 | 23 | 11 | 19 | 316 | 0 | 21 | 210 | 121 | 90 | 129 | 56 | 44 | 64 | 735 |
Virginia | 0 | 6 | 606 | 539 | 239 | 106 | 22 | 17 | 21 | 1,556 | 0 | 0 | 610 | 1,099 | 1,197 | 416 | 48 | 26 | 26 | 3,422 |
Washington | 0 | 338 | 1,277 | 348 | 83 | 24 | 5 | 4 | 2 | 2,081 | 22 | 150 | 950 | 521 | 237 | 47 | 5 | 19 | 26 | 1,955 |
West Virginia | 0 | 153 | 428 | 256 | 156 | 62 | 13 | 5 | 8 | 1,081 | 0 | 251 | 402 | 470 | 232 | 128 | 16 | 34 | 0 | 1,533 |
Wisconsin | 0 | 166 | 958 | 762 | 596 | 400 | 213 | 144 | 122 | 3,361 | 0 | 306 | 1,382 | 944 | 776 | 464 | 650 | 432 | 32 | 4,986 |
Wyoming | 0 | 575 | 1,202 | 147 | 42 | 16 | 4 | 0 | 0 | 1,986 | 0 | 149 | 801 | 253 | 56 | 55 | 5 | 0 | 1 | 1,320 |
U.S. Total | 5,524 | 11,510 | 35,717 | 20,911 | 12,860 | 6,683 | 2,855 | 1,473 | 1,324 | 93,333 | 6,664 | 13,809 | 44,737 | 28,718 | 20,895 | 12,071 | 4,985 | 2,836 | 2,540 | 130,591 |
Puerto Rico | 36 | 0 | 0 | 3 | 4 | 31 | 19 | 3 | 3 | 63 | 168 | 0 | 0 | 0 | 5 | 32 | 51 | 24 | 11 | 123 |
Grand Total | 5,560 | 11,510 | 35,717 | 20,914 | 12,864 | 6,714 | 2,874 | 1,476 | 1,327 | 93,396 | 6,832 | 13,809 | 44,737 | 28,718 | 20,900 | 12,103 | 5,036 | 2,860 | 2,551 | 130,714 |
OCTOBER 1999
SHEET 3 OF 4
TABLE HM-64
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE | ||||||||||||||
NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED |
|||||
Alabama | 0 | 23 | 127 | 70 | 44 | 35 | 5 | 0 | 0 | 304 | ||||
Alaska | 0 | 0 | 22 | 24 | 5 | 2 | 0 | 0 | 0 | 53 | ||||
Arizona | 0 | 34 | 85 | 24 | 26 | 1 | 2 | 0 | 0 | 172 | ||||
Arkansas | 1 | 2 | 14 | 34 | 28 | 24 | 17 | 15 | 13 | 147 | ||||
California | 0 | 24 | 146 | 201 | 285 | 231 | 103 | 62 | 18 | 1,070 | ||||
Colorado | 0 | 2 | 51 | 36 | 44 | 34 | 7 | 1 | 8 | 183 | ||||
Connecticut | 0 | 1 | 85 | 78 | 40 | 22 | 10 | 5 | 4 | 245 | ||||
Delaware | 0 | 0 | 7 | 11 | 8 | 3 | 6 | 3 | 3 | 41 | ||||
Dist. of Columbia | 0 | 0 | 1 | 2 | 4 | 1 | 1 | 2 | 2 | 13 | ||||
Florida | 41 | 271 | 114 | 40 | 29 | 23 | 0 | 0 | 0 | 477 | ||||
Georgia | 0 | 351 | 80 | 3 | 2 | 0 | 0 | 0 | 0 | 436 | ||||
Hawaii | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
Idaho | 0 | 17 | 36 | 8 | 12 | 11 | 0 | 1 | 0 | 85 | ||||
Illinois | 647 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
Indiana | 0 | 63 | 150 | 61 | 16 | 15 | 10 | 3 | 0 | 318 | ||||
Iowa | 0 | 0 | 50 | 32 | 34 | 10 | 19 | 2 | 0 | 147 | ||||
Kansas | 3 | 20 | 69 | 66 | 12 | 4 | 0 | 0 | 0 | 171 | ||||
Kentucky | 0 | 44 | 91 | 29 | 29 | 24 | 2 | 1 | 6 | 226 | ||||
Louisiana | 23 | 0 | 11 | 73 | 33 | 80 | 43 | 4 | 15 | 259 | ||||
Maine | 10 | 6 | 27 | 7 | 1 | 1 | 0 | 0 | 0 | 42 | ||||
Maryland | 0 | 5 | 109 | 66 | 32 | 16 | 11 | 8 | 6 | 253 | ||||
Massachusetts | 2 | 0 | 187 | 135 | 49 | 27 | 1 | 2 | 1 | 402 | ||||
Michigan | 0 | 15 | 129 | 131 | 95 | 56 | 41 | 18 | 15 | 500 | ||||
Minnesota | 0 | 21 | 113 | 51 | 31 | 10 | 4 | 2 | 0 | 232 | ||||
Mississippi | 0 | 1 | 13 | 28 | 58 | 19 | 3 | 5 | 1 | 128 | ||||
Missouri | 0 | 1 | 51 | 128 | 102 | 61 | 16 | 7 | 5 | 371 | ||||
Montana | 0 | 4 | 29 | 16 | 6 | 2 | 0 | 1 | 0 | 58 | ||||
Nebraska | 0 | 2 | 18 | 7 | 9 | 4 | 4 | 1 | 0 | 45 | ||||
Nevada | 0 | 14 | 33 | 13 | 15 | 10 | 1 | 0 | 0 | 86 | ||||
New Hampshire | 0 | 14 | 26 | 7 | 0 | 0 | 1 | 0 | 0 | 48 | ||||
New Jersey | 17 | 0 | 26 | 72 | 35 | 44 | 46 | 17 | 44 | 284 | ||||
New Mexico | 0 | 21 | 25 | 30 | 13 | 6 | 9 | 3 | 1 | 108 | ||||
New York | 4 | 0 | 258 | 131 | 79 | 66 | 57 | 32 | 76 | 699 | ||||
North Carolina | 0 | 1 | 128 | 64 | 73 | 31 | 19 | 26 | 11 | 353 | ||||
North Dakota | 0 | 14 | 17 | 9 | 0 | 0 | 0 | 0 | 0 | 40 | ||||
Ohio | 0 | 195 | 392 | 105 | 31 | 15 | 4 | 1 | 0 | 743 | ||||
Oklahoma | 0 | 3 | 61 | 43 | 32 | 30 | 19 | 11 | 9 | 208 | ||||
Oregon | 0 | 0 | 0 | 6 | 15 | 33 | 29 | 26 | 37 | 146 | ||||
Pennsylvania | 3 | 7 | 247 | 156 | 85 | 33 | 13 | 4 | 2 | 547 | ||||
Rhode Island | 0 | 0 | 15 | 13 | 11 | 6 | 1 | 0 | 0 | 46 | ||||
South Carolina | 0 | 39 | 79 | 24 | 11 | 1 | 2 | 1 | 0 | 157 | ||||
South Dakota | 3 | 0 | 4 | 8 | 9 | 20 | 6 | 0 | 0 | 47 | ||||
Tennessee | 237 | 4 | 57 | 17 | 11 | 8 | 3 | 1 | 1 | 102 | ||||
Texas | 0 | 30 | 346 | 309 | 241 | 72 | 18 | 1 | 1 | 1,018 | ||||
Utah | 0 | 31 | 46 | 36 | 27 | 13 | 12 | 2 | 0 | 167 | ||||
Vermont | 0 | 9 | 29 | 2 | 0 | 0 | 0 | 0 | 0 | 40 | ||||
Virginia | 0 | 2 | 94 | 162 | 95 | 29 | 6 | 12 | 1 | 401 | ||||
Washington | 0 | 65 | 108 | 29 | 24 | 27 | 5 | 4 | 0 | 262 | ||||
West Virginia | 0 | 21 | 43 | 13 | 9 | 5 | 3 | 0 | 1 | 95 | ||||
Wisconsin | 0 | 5 | 23 | 35 | 45 | 41 | 11 | 5 | 4 | 169 | ||||
Wyoming | 0 | 7 | 37 | 19 | 17 | 6 | 1 | 0 | 0 | 87 | ||||
U.S. Total | 1,040 | 1,389 | 3,909 | 2,664 | 1,912 | 1,212 | 571 | 289 | 285 | 12,231 | ||||
Puerto Rico | 2 | 0 | 5 | 35 | 39 | 25 | 16 | 8 | 17 | 145 | ||||
Grand Total | 1,042 | 1,389 | 3,914 | 2,699 | 1,951 | 1,237 | 587 | 297 | 302 | 12,376 |
OCTOBER 1999
SHEET 4 of 4
TABLE HM-64
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OTHER FREEWAYS AND EXPRESSWAYS | OTHER PRINCIPAL ARTERIAL | |||||||||||||||||||
NOT REPORTED |
< 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED |
NOT REPORTED |
< 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED |
|
Alabama | 0 | 1 | 12 | 4 | 1 | 2 | 0 | 1 | 0 | 21 | 7 | 85 | 414 | 294 | 140 | 40 | 5 | 8 | 5 | 991 |
Alaska | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 27 | 7 | 8 | 4 | 0 | 0 | 55 |
Arizona | 0 | 18 | 48 | 21 | 10 | 4 | 0 | 0 | 0 | 101 | 0 | 201 | 479 | 107 | 112 | 63 | 33 | 16 | 18 | 1,029 |
Arkansas | 3 | 1 | 46 | 13 | 8 | 25 | 8 | 4 | 5 | 110 | 62 | 0 | 59 | 115 | 93 | 90 | 44 | 42 | 74 | 517 |
California | 0 | 38 | 242 | 300 | 386 | 271 | 88 | 45 | 26 | 1,396 | 1 | 89 | 275 | 518 | 1,008 | 995 | 962 | 771 | 1,224 | 5,842 |
Colorado | 0 | 2 | 33 | 72 | 63 | 40 | 4 | 8 | 0 | 222 | 1 | 1 | 64 | 210 | 151 | 110 | 62 | 171 | 89 | 858 |
Connecticut | 1 | 0 | 59 | 62 | 30 | 23 | 12 | 7 | 3 | 196 | 5 | 0 | 12 | 73 | 138 | 144 | 95 | 50 | 90 | 602 |
Delaware | 0 | 0 | 5 | 5 | 0 | 1 | 0 | 0 | 0 | 11 | 0 | 17 | 48 | 32 | 14 | 8 | 4 | 3 | 8 | 134 |
Dist. of Columbia | 2 | 1 | 0 | 0 | 5 | 3 | 1 | 2 | 4 | 16 | 10 | 0 | 0 | 0 | 1 | 1 | 4 | 6 | 75 | 87 |
Florida | 19 | 188 | 170 | 13 | 27 | 2 | 0 | 0 | 0 | 400 | 290 | 511 | 1,096 | 377 | 217 | 87 | 51 | 32 | 27 | 2,398 |
Georgia | 1 | 115 | 41 | 1 | 5 | 0 | 2 | 0 | 0 | 164 | 8 | 1,126 | 512 | 71 | 29 | 6 | 1 | 0 | 0 | 1,745 |
Hawaii | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 138 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Idaho | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 8 | 42 | 38 | 45 | 33 | 34 | 18 | 22 | 240 |
Illinois | 82 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2,603 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indiana | 7 | 11 | 26 | 26 | 22 | 18 | 16 | 3 | 6 | 128 | 446 | 36 | 220 | 248 | 194 | 137 | 118 | 48 | 100 | 1,101 |
Iowa | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 110 | 11 | 117 | 114 | 91 | 103 | 50 | 35 | 85 | 606 |
Kansas | 13 | 14 | 47 | 24 | 18 | 11 | 3 | 2 | 3 | 122 | 434 | 14 | 65 | 33 | 40 | 29 | 19 | 10 | 6 | 216 |
Kentucky | 0 | 6 | 38 | 19 | 9 | 8 | 6 | 6 | 0 | 92 | 0 | 20 | 269 | 205 | 50 | 67 | 16 | 17 | 8 | 652 |
Louisiana | 1 | 0 | 0 | 4 | 11 | 7 | 14 | 3 | 6 | 45 | 131 | 7 | 113 | 92 | 84 | 91 | 84 | 89 | 152 | 712 |
Maine | 6 | 0 | 6 | 3 | 1 | 0 | 0 | 1 | 1 | 12 | 31 | 2 | 54 | 30 | 19 | 16 | 8 | 5 | 10 | 144 |
Maryland | 0 | 9 | 83 | 54 | 34 | 20 | 17 | 9 | 9 | 235 | 0 | 9 | 113 | 139 | 117 | 121 | 74 | 69 | 217 | 859 |
Massachusetts | 15 | 0 | 69 | 93 | 14 | 8 | 0 | 1 | 4 | 189 | 651 | 0 | 50 | 170 | 211 | 193 | 106 | 78 | 96 | 904 |
Michigan | 3 | 0 | 36 | 68 | 44 | 40 | 18 | 10 | 5 | 221 | 17 | 13 | 103 | 141 | 193 | 405 | 270 | 271 | 563 | 1,959 |
Minnesota | 0 | 11 | 54 | 40 | 22 | 10 | 5 | 1 | 1 | 144 | 0 | 55 | 134 | 102 | 89 | 60 | 29 | 24 | 41 | 534 |
Mississippi | 0 | 0 | 16 | 11 | 8 | 6 | 0 | 0 | 0 | 41 | 0 | 0 | 93 | 122 | 141 | 114 | 50 | 30 | 78 | 628 |
Missouri | 5 | 0 | 29 | 48 | 98 | 60 | 47 | 19 | 13 | 314 | 377 | 0 | 27 | 106 | 147 | 146 | 80 | 84 | 79 | 669 |
Montana | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 27 | 36 | 33 | 23 | 13 | 14 | 24 | 172 |
Nebraska | 0 | 0 | 1 | 3 | 10 | 3 | 1 | 0 | 0 | 18 | 103 | 8 | 29 | 29 | 43 | 45 | 51 | 31 | 76 | 312 |
Nevada | 0 | 4 | 20 | 10 | 1 | 0 | 1 | 1 | 0 | 37 | 0 | 4 | 74 | 71 | 32 | 22 | 7 | 6 | 14 | 230 |
New Hampshire | 0 | 3 | 29 | 3 | 3 | 3 | 0 | 0 | 0 | 41 | 0 | 10 | 61 | 28 | 24 | 18 | 8 | 9 | 13 | 171 |
New Jersey | 96 | 0 | 31 | 68 | 46 | 25 | 14 | 8 | 26 | 218 | 346 | 0 | 86 | 146 | 248 | 239 | 95 | 96 | 52 | 962 |
New Mexico | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 160 | 7 | 61 | 111 | 70 | 45 | 22 | 22 | 19 | 357 |
New York | 11 | 6 | 185 | 143 | 117 | 116 | 72 | 69 | 107 | 815 | 85 | 0 | 308 | 318 | 295 | 258 | 167 | 140 | 941 | 2,427 |
North Carolina | 18 | 3 | 104 | 36 | 42 | 36 | 25 | 11 | 13 | 270 | 122 | 4 | 240 | 266 | 244 | 172 | 117 | 58 | 144 | 1,245 |
North Dakota | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 38 | 28 | 21 | 23 | 12 | 11 | 24 | 164 |
Ohio | 0 | 41 | 153 | 94 | 50 | 26 | 10 | 6 | 5 | 385 | 0 | 56 | 509 | 448 | 363 | 232 | 139 | 92 | 140 | 1,979 |
Oklahoma | 0 | 0 | 44 | 31 | 26 | 13 | 12 | 5 | 3 | 134 | 1 | 3 | 69 | 116 | 112 | 131 | 91 | 114 | 165 | 801 |
Oregon | 0 | 0 | 5 | 17 | 17 | 6 | 4 | 2 | 3 | 54 | 1 | 0 | 30 | 155 | 218 | 141 | 57 | 31 | 32 | 664 |
Pennsylvania | 1 | 6 | 116 | 89 | 95 | 87 | 50 | 25 | 18 | 486 | 4 | 17 | 213 | 346 | 388 | 463 | 279 | 223 | 335 | 2,264 |
Rhode Island | 0 | 0 | 29 | 20 | 16 | 1 | 2 | 0 | 0 | 68 | 13 | 0 | 53 | 73 | 78 | 48 | 27 | 30 | 17 | 326 |
South Carolina | 0 | 6 | 34 | 14 | 7 | 4 | 1 | 3 | 1 | 70 | 0 | 21 | 198 | 176 | 110 | 87 | 41 | 32 | 37 | 702 |
South Dakota | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 0 | 7 | 3 | 9 | 9 | 3 | 1 | 8 | 40 |
Tennessee | 72 | 1 | 18 | 9 | 6 | 4 | 1 | 2 | 1 | 42 | 1,151 | 9 | 93 | 29 | 15 | 7 | 4 | 2 | 5 | 164 |
Texas | 0 | 52 | 297 | 378 | 269 | 200 | 17 | 4 | 7 | 1,224 | 0 | 149 | 855 | 830 | 798 | 539 | 1,408 | 157 | 175 | 4,911 |
Utah | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 29 | 89 | 78 | 34 | 27 | 10 | 5 | 7 | 279 |
Vermont | 0 | 0 | 10 | 6 | 1 | 1 | 0 | 0 | 0 | 18 | 0 | 2 | 10 | 19 | 20 | 15 | 9 | 7 | 15 | 97 |
Virginia | 0 | 0 | 55 | 75 | 48 | 16 | 9 | 3 | 2 | 208 | 0 | 0 | 150 | 280 | 243 | 163 | 91 | 108 | 101 | 1,136 |
Washington | 4 | 31 | 153 | 55 | 34 | 17 | 11 | 4 | 4 | 309 | 805 | 25 | 92 | 70 | 49 | 22 | 10 | 9 | 18 | 295 |
West Virginia | 0 | 1 | 1 | 4 | 2 | 1 | 0 | 0 | 0 | 9 | 0 | 22 | 82 | 44 | 25 | 14 | 11 | 3 | 2 | 203 |
Wisconsin | 0 | 5 | 27 | 32 | 37 | 35 | 19 | 12 | 9 | 176 | 1 | 4 | 91 | 149 | 191 | 226 | 171 | 149 | 336 | 1,317 |
Wyoming | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 19 | 28 | 74 | 27 | 30 | 11 | 5 | 6 | 5 | 186 |
U.S. Total | 397 | 577 | 2,379 | 1,968 | 1,643 | 1,153 | 490 | 277 | 285 | 8,772 | 8,246 | 2,612 | 7,907 | 7,240 | 7,024 | 6,047 | 5,051 | 3,233 | 5,772 | 44,886 |
Puerto Rico | 0 | 0 | 0 | 10 | 2 | 14 | 11 | 5 | 7 | 49 | 78 | 0 | 1 | 15 | 23 | 46 | 32 | 21 | 23 | 161 |
Grand Total | 397 | 577 | 2,379 | 1,978 | 1,645 | 1,167 | 501 | 282 | 292 | 8,821 | 8,324 | 2,612 | 7,908 | 7,255 | 7,047 | 6,093 | 5,083 | 3,254 | 5,795 | 45,047 |
1/ Data are reported as the International Roughness Index (IRI) in inches per mile. Reference: World Bank Technical pavement condition, additional measures of pavement distress are needed. Paper Number 46, 1986. Lower IRI represents smoother riding roadways; to obtain a comprehensive assessment of