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Highway Statistics 2001 OHPI > Highway Statistics > 2001 > Roadway Extent > Table HM-47

NATIONAL HIGHWAY SYSTEM LENGTH - 2001

MILES BY MEASURED PAVEMENT ROUGHNESS - RURAL

JUNE 2004Table HM-47
SHEET 1 OF 4
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 - 259 258 44 30 12 - - - 603 7 464 1,197 310 41 7 2 - - 2,021
Alaska - 10 146 299 278 266 31 - - 1,030 462 - 141 93 63 101 78 13 7 496
Arizona - 867 114 15 - - - - - 996 17 347 438 180 82 64 5 4 1 1,121
Arkansas 9 4 147 64 44 67 60 38 35 459 79 9 561 559 287 174 78 38 11 1,717
California - 55 551 369 136 143 51 31 22 1,358 7 51 1,055 1,090 851 438 119 50 22 3,676
Colorado - 68 487 175 37 - - 1 - 768 - 163 873 471 148 120 35 25 7 1,842
Connecticut - 3 76 16 2 4 - - - 101 - - 66 76 67 25 14 2 2 252
Delaware - - - - - - - - - - 10 4 77 85 21 2 3 3 1 196
Dist. of Columbia - - - - - - - - - - - - - - - - - - - -
Florida - 787 99 2 36 27 - - - 951 1 828 664 194 70 22 6 - 1 1,785
Georgia - 554 211 37 4 - - - - 806 - 1,849 648 23 3 4 1 - - 2,528
Hawaii - - - - 6 - - - - 6 7 - 17 53 30 40 15 - 3 158
Idaho - 216 221 76 4 1 4 3 1 526 - 263 852 338 155 43 8 1 1 1,661
Illinois - 123 807 312 226 39 6 - 2 1,515 - 84 685 505 331 153 60 21 3 1,842
Indiana - 366 374 75 32 5 - - - 852 6 397 480 187 141 65 18 3 - 1,291
Iowa 1 65 290 183 58 38 - - - 634 3 226 851 365 267 186 99 34 10 2,038
Kansas - 232 378 70 14 - - - - 694 - 567 1,468 407 127 32 11 11 4 2,627
Kentucky 1 263 126 37 72 33 - - - 531 - 369 871 272 147 47 14 1 - 1,721
Louisiana 54 100 198 103 73 49 35 - - 558 22 73 420 190 204 148 83 27 35 1,180
Maine - 24 259 23 6 1 - - - 313 - 37 462 195 78 9 4 2 - 787
Maryland 1 20 162 34 9 1 1 - - 227 10 59 322 111 34 13 4 4 3 550
Massachusetts - - 71 58 9 25 - - - 163 - 1 46 128 72 41 22 9 5 324
Michigan - 9 231 163 158 102 58 13 5 739 - 153 844 577 292 235 94 39 83 2,317
Minnesota - 138 373 156 11 3 - - - 681 - 768 1,224 383 161 26 14 4 2 2,582
Mississippi - 92 239 101 59 45 12 8 - 556 - 138 757 416 209 78 32 22 3 1,655
Missouri - 3 248 275 194 77 10 - - 807 1 - 446 658 782 388 154 85 78 2,591
Montana - 303 626 116 54 20 15 - 1 1,135 7 242 1,717 454 119 65 6 9 3 2,615
Nebraska - 230 57 63 47 30 10 - - 437 - 399 804 427 244 199 77 75 27 2,252
Nevada - 398 48 23 11 - - - - 480 - 1,114 315 10 1 1 - - - 1,441
New Hampshire - 25 149 3 - - - - - 177 - 11 256 124 28 17 17 - 7 460
New Jersey - 2 55 27 8 7 10 6 4 119 10 3 225 161 73 54 10 3 4 533
New Mexico - 563 294 28 6 - 1 - - 892 - 763 661 142 96 42 20 26 3 1,753
New York 15 116 542 110 49 55 26 27 6 931 22 133 1,157 292 107 49 15 19 26 1,798
North Carolina - 74 301 131 55 71 6 12 1 651 - 76 1,153 464 295 149 68 24 8 2,237
North Dakota - 142 295 75 19 - - - - 531 - 202 1,057 518 223 80 4 5 - 2,089
Ohio - 500 270 42 12 3 - - 2 829 - 491 1,040 228 72 18 4 3 2 1,858
Oklahoma 7 172 283 143 73 39 2 - 1 713 8 162 835 483 308 168 104 24 32 2,116
Oregon - 9 189 307 71 4 - - - 580 147 10 489 1,179 692 125 34 6 3 2,538
Pennsylvania 4 192 671 228 69 23 9 8 4 1,204 7 168 901 587 330 161 55 29 16 2,247
Rhode Island - - 16 5 - - - - - 21 - - 9 26 18 5 6 1 1 66
South Carolina - 253 287 89 39 2 - - - 670 - 87 865 262 63 22 9 3 4 1,315
South Dakota - 29 344 161 54 39 1 - 1 629 56 53 533 480 414 323 162 92 84 2,141
Tennessee - 534 193 6 1 1 - - - 735 2 596 744 107 38 22 7 1 1 1,516
Texas - 290 1,401 350 143 21 2 2 4 2,213 6 349 3,231 2,064 700 155 14 15 4 6,532
Utah 16 147 301 127 74 73 22 8 4 756 33 46 417 260 162 75 13 4 4 981
Vermont - 77 129 48 10 13 - 4 - 281 - 1 153 61 38 30 15 13 7 318
Virginia - 71 600 51 3 5 - - - 730 - 17 687 431 188 92 46 17 23 1,501
Washington - 162 206 90 38 5 - - - 501 11 257 1,081 482 187 78 9 4 4 2,102
West Virginia - 98 237 33 56 23 2 6 - 455 - 131 435 296 131 41 20 13 11 1,078
Wisconsin 1 108 326 99 22 26 - - - 581 - 625 1,133 508 257 91 47 17 15 2,693
Wyoming - 385 367 38 29 7 - - - 826 - 930 883 115 9 16 5 - - 1,958
U.S. Total 109 9,138 14,253 5,080 2,441 1,405 374 167 93 32,951 941 13,716 36,246 18,027 9,456 4,539 1,740 801 571 85,096
Puerto Rico - - 6 21 51 16 5 2 1 102 2 - - 10 14 17 7 2 - 50
Grand Total 109 9,138 14,259 5,101 2,492 1,421 379 169 94 33,053 943 13,716 36,246 18,037 9,470 4,556 1,747 803 571 85,146

NATIONAL HIGHWAY SYSTEM LENGTH - 2001

MILES BY MEASURED PAVEMENT ROUGHNESS - RURAL

JUNE 2004Table HM-47
SHEET 2 OF 4
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 7 723 1,455 354 70 19 2 - - 2,623
Alaska 462 10 287 392 341 367 109 13 7 1,526
Arizona 17 1,214 552 195 82 64 5 4 1 2,117
Arkansas 88 12 709 622 330 241 138 76 46 2,174
California 7 106 1,606 1,459 987 582 170 81 44 5,035
Colorado - 231 1,360 647 185 120 35 26 7 2,611
Connecticut - 3 142 92 69 29 14 2 3 354
Delaware 10 4 77 85 21 2 3 3 1 196
Dist. of Columbia - - - - - - - - - -
Florida 1 1,615 762 196 106 50 6 - 1 2,736
Georgia - 2,403 858 61 7 4 1 - - 3,334
Hawaii 7 - 17 53 36 40 15 - 3 164
Idaho - 479 1,073 415 160 44 12 4 2 2,189
Illinois - 207 1,492 816 557 192 66 21 5 3,356
Indiana 6 763 854 262 173 70 18 3 - 2,143
Iowa 4 290 1,141 548 325 224 99 34 10 2,671
Kansas - 799 1,846 477 140 32 11 11 4 3,320
Kentucky 2 632 997 309 219 80 14 1 - 2,252
Louisiana 76 173 618 292 277 197 118 27 35 1,737
Maine - 61 721 218 84 9 4 2 - 1,099
Maryland 11 78 484 145 43 15 5 4 4 778
Massachusetts - 1 116 186 81 66 22 9 5 486
Michigan - 162 1,075 740 451 337 152 52 88 3,057
Minnesota - 906 1,596 539 172 29 15 4 2 3,263
Mississippi - 231 996 517 268 123 44 30 3 2,212
Missouri 1 3 694 933 976 465 164 85 78 3,398
Montana 7 545 2,343 570 173 85 21 9 4 3,750
Nebraska - 629 861 489 292 229 87 75 27 2,689
Nevada - 1,512 362 33 11 1 - - - 1,919
New Hampshire - 36 404 127 28 17 17 - 7 636
New Jersey 10 6 280 189 81 61 19 9 7 652
New Mexico - 1,327 955 169 102 42 20 26 3 2,644
New York 37 249 1,699 403 157 104 41 46 32 2,731
North Carolina - 149 1,454 595 350 220 74 36 9 2,887
North Dakota - 344 1,352 592 242 80 4 5 - 2,619
Ohio - 992 1,310 271 84 21 4 3 4 2,689
Oklahoma 16 334 1,118 626 381 207 107 24 33 2,830
Oregon 147 19 678 1,486 763 129 34 6 3 3,118
Pennsylvania 11 360 1,572 814 398 184 64 36 19 3,447
Rhode Island - - 25 31 18 5 6 1 1 87
South Carolina - 340 1,152 351 103 24 10 3 4 1,987
South Dakota 56 82 877 641 468 362 163 92 85 2,770
Tennessee 2 1,130 938 112 39 23 8 1 1 2,252
Texas 6 639 4,632 2,414 843 176 16 17 7 8,744
Utah 49 193 717 387 236 148 35 12 8 1,736
Vermont - 78 282 109 47 42 15 16 7 596
Virginia - 88 1,287 482 191 97 46 17 23 2,231
Washington 11 419 1,287 572 225 82 9 4 4 2,602
West Virginia - 229 672 329 187 64 23 19 11 1,534
Wisconsin 1 733 1,459 607 279 117 47 17 15 3,274
Wyoming - 1,315 1,250 153 38 24 5 - - 2,785
U.S. Total 1,052 22,854 50,494 23,105 11,896 5,945 2,117 966 663 118,040
Puerto Rico 2 - 6 32 65 33 12 4 1 153
Grand Total 1,054 22,854 50,500 23,137 11,961 5,978 2,129 970 664 118,193

NATIONAL HIGHWAY SYSTEM LENGTH - 2001

MILES BY MEASURED PAVEMENT ROUGHNESS - URBAN

JUNE 2004Table HM-47
SHEET 3 OF 4
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 - 75 120 41 33 30 3 - - 302 16 216 346 89 36 7 3 1 4 702
Alaska - 12 22 7 3 7 1 - - 52 - 7 10 21 18 7 5 2 2 72
Arizona - 87 47 29 9 - - - - 172 138 26 135 61 35 12 3 - - 272
Arkansas - - 36 43 33 30 22 15 9 188 37 1 31 55 31 40 17 13 18 206
California 2 30 180 169 225 250 132 77 33 1,096 5 3 203 281 357 299 132 91 115 1,481
Colorado - 14 90 37 33 10 - - - 184 - 23 164 179 93 59 19 60 26 623
Connecticut - 6 100 85 29 10 7 4 5 246 - 8 76 110 56 45 31 14 25 365
Delaware 1 - 7 11 7 3 6 2 3 39 4 4 24 24 7 2 1 1 2 65
Dist. of Columbia - 10 1 2 2 1 - - - 16 - 1 7 2 3 6 6 7 36 68
Florida 8 263 190 32 15 12 - - - 512 6 362 494 97 61 27 11 10 12 1,074
Georgia 1 299 122 15 2 - - - - 438 - 452 310 48 16 6 1 3 1 837
Hawaii - - 7 3 10 10 10 5 4 49 12 - 14 21 25 24 13 7 9 113
Idaho - 29 35 10 3 5 2 2 - 86 - 13 26 18 11 11 5 6 6 96
Illinois 1 20 226 211 126 30 39 2 - 654 - 42 423 321 260 257 129 109 144 1,685
Indiana - 62 149 59 34 9 4 - 1 318 17 33 105 81 43 44 28 11 16 361
Iowa - 4 44 35 30 16 12 - 5 146 25 13 99 69 39 43 28 16 27 334
Kansas 1 12 65 61 27 13 1 - 1 180 6 18 87 42 38 19 16 7 14 241
Kentucky - 88 84 22 28 - 5 3 - 230 - 19 168 109 37 36 9 9 5 392
Louisiana 55 19 67 55 48 36 8 2 2 237 15 16 102 54 60 69 52 44 85 482
Maine 1 - 44 8 1 - - - - 53 2 1 49 34 23 18 5 3 - 133
Maryland 9 9 117 64 20 13 7 7 6 243 9 29 138 77 47 34 22 19 24 390
Massachusetts - 2 201 122 36 32 8 2 1 404 14 1 70 153 197 231 172 117 118 1,059
Michigan 1 5 108 146 93 58 39 17 34 500 - 3 130 151 171 183 157 105 271 1,171
Minnesota - 34 123 44 20 10 2 - - 233 - 70 187 102 66 21 8 4 10 468
Mississippi - 3 28 41 41 10 2 3 - 128 - 24 78 51 53 29 8 8 17 268
Missouri - - 88 109 69 51 21 21 14 373 23 - 14 55 127 78 55 81 176 586
Montana - 1 28 11 8 4 2 1 - 55 - 1 13 15 11 8 4 5 5 62
Nebraska - 4 18 4 11 4 3 1 - 45 12 4 11 25 41 38 30 29 52 230
Nevada - 30 15 12 6 15 2 - - 80 - 48 55 12 8 2 1 1 2 129
New Hampshire - 12 29 7 - - - - - 48 - 8 75 13 10 3 - - 6 115
New Jersey 14 1 80 99 30 39 26 14 10 299 52 2 213 295 240 102 55 31 104 1,042
New Mexico - 36 42 15 7 1 5 1 - 107 8 21 51 44 27 18 8 4 16 189
New York 19 50 317 118 63 51 30 32 48 709 75 34 366 271 224 182 113 86 298 1,574
North Carolina - 4 199 77 46 22 3 11 7 369 - 3 179 122 77 68 28 12 10 499
North Dakota - 10 22 7 1 - - - - 40 - - 19 17 14 9 3 2 - 64
Ohio - 310 334 68 17 7 4 2 2 744 - 143 342 175 115 76 29 25 32 937
Oklahoma 2 12 61 31 33 18 20 16 15 206 2 24 86 47 49 32 24 12 8 282
Oregon 1 - 27 66 40 10 1 - - 144 11 3 37 106 87 49 18 11 17 328
Pennsylvania 23 36 246 145 58 20 13 8 3 529 22 47 302 321 267 229 125 67 60 1,418
Rhode Island - - 28 15 5 - 1 - - 49 - - 27 42 30 17 9 2 5 132
South Carolina - 48 79 18 9 3 1 - - 158 - 10 164 124 62 54 22 12 30 478
South Dakota - 1 18 12 14 4 - - - 49 42 - 2 1 6 5 - 4 - 18
Tennessee - 136 131 40 19 6 6 1 - 339 22 112 299 94 53 32 8 8 10 616
Texas - 34 344 299 204 105 31 4 - 1,021 178 86 755 903 690 421 211 123 223 3,412
Utah 11 17 38 42 33 15 7 4 - 156 26 16 74 47 24 10 9 5 11 196
Vermont - 5 22 4 2 7 1 - - 41 - - 11 13 11 6 6 2 5 54
Virginia 1 7 141 122 80 25 7 2 2 386 57 - 167 233 158 95 47 48 47 795
Washington 1 65 95 39 21 28 9 3 3 263 124 42 171 101 66 41 20 11 14 466
West Virginia - 23 49 8 5 4 4 1 - 94 - 10 44 25 13 13 6 2 4 117
Wisconsin 4 23 67 36 15 17 - - - 158 1 29 144 139 146 110 72 58 83 781
Wyoming - 30 26 21 5 2 3 - 1 88 - 35 27 9 4 2 1 1 - 79
U.S. Total 156 1,978 4,757 2,777 1,709 1,053 510 263 209 13,256 961 2,063 7,124 5,499 4,343 3,229 1,785 1,309 2,205 27,557
Puerto Rico 1 - 1 34 59 28 12 7 5 146 5 - - 21 11 26 18 11 6 93
Grand Total 157 1,978 4,758 2,811 1,768 1,081 522 270 214 13,402 966 2,063 7,124 5,520 4,354 3,255 1,803 1,320 2,211 27,650

NATIONAL HIGHWAY SYSTEM LENGTH - 2001

MILES BY MEASURED PAVEMENT ROUGHNESS - URBAN

JUNE 2004Table HM-47
SHEET 4 OF 4
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 16 291 466 130 69 37 6 1 4 1,004
Alaska - 19 32 29 21 14 6 2 2 125
Arizona 138 112 182 90 44 12 3 - - 443
Arkansas 37 1 67 98 64 70 39 28 27 394
California 6 33 382 450 582 549 264 168 148 2,576
Colorado - 37 254 217 126 69 19 60 26 808
Connecticut - 13 176 195 85 55 38 17 30 609
Delaware 5 4 32 35 14 5 6 3 5 104
Dist. of Columbia 1 11 8 4 5 6 6 7 36 83
Florida 14 625 685 129 77 39 11 10 12 1,588
Georgia 1 751 432 63 18 6 1 3 1 1,275
Hawaii 12 - 20 25 35 34 23 12 13 162
Idaho - 41 62 27 14 16 7 8 6 181
Illinois 1 62 649 531 386 287 167 111 144 2,337
Indiana 17 95 254 140 77 52 32 11 16 677
Iowa 25 17 143 105 69 59 40 16 31 480
Kansas 7 30 151 103 65 33 17 7 15 421
Kentucky - 107 252 131 65 36 13 12 5 621
Louisiana 70 35 169 109 108 105 60 46 87 719
Maine 3 1 93 42 23 18 5 3 - 185
Maryland 19 38 255 141 68 46 29 26 29 632
Massachusetts 14 4 270 274 233 263 181 119 120 1,464
Michigan 1 7 238 297 265 241 195 122 305 1,670
Minnesota - 104 310 146 85 31 10 4 11 701
Mississippi - 27 107 92 93 38 11 12 17 397
Missouri 23 - 102 165 196 129 76 102 189 959
Montana - 2 41 26 19 12 7 5 5 117
Nebraska 12 8 29 30 52 42 33 30 52 276
Nevada - 78 70 23 14 17 3 1 2 208
New Hampshire - 20 104 20 10 3 - - 6 163
New Jersey 66 4 293 394 270 141 81 45 114 1,342
New Mexico 8 57 93 60 34 19 13 5 16 297
New York 93 84 683 388 287 234 143 118 346 2,283
North Carolina - 7 378 199 122 90 31 23 17 867
North Dakota - 10 41 24 15 9 3 2 - 104
Ohio - 453 675 243 132 83 33 27 34 1,680
Oklahoma 4 37 147 78 82 51 44 28 23 490
Oregon 12 3 65 172 127 59 19 12 17 474
Pennsylvania 45 83 548 465 324 249 138 75 63 1,945
Rhode Island - - 56 57 35 17 10 2 6 183
South Carolina - 58 243 141 71 57 23 12 30 635
South Dakota 42 1 20 13 20 8 - 4 - 66
Tennessee 22 247 430 134 71 38 14 9 10 953
Texas 178 120 1,098 1,203 894 526 242 127 223 4,433
Utah 37 33 112 89 57 25 16 10 11 353
Vermont - 5 33 17 13 13 6 2 5 94
Virginia 58 7 307 355 238 120 55 50 49 1,181
Washington 124 106 266 140 88 69 29 14 17 729
West Virginia - 34 93 33 18 17 10 3 5 213
Wisconsin 5 52 211 176 161 128 72 58 83 941
Wyoming - 65 53 30 9 4 4 1 1 167
U.S. Total 1,116 4,039 11,880 8,278 6,050 4,281 2,294 1,573 2,414 40,809
Puerto Rico 5 - 1 56 70 54 30 18 11 240
Grand Total 1,121 4,039 11,881 8,334 6,120 4,335 2,324 1,591 2,425 41,049

For footnotes, see Footnotes Page.


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