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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-37 - Highway Statistics 2018

Highway Statistics 2018


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Federal-Aid Highway Length - 2018 (1)
    Miles by Average Daily Traffic Volume

August 30, 2019
Table HM-37
Sheet 1 of 3

STATE NATIONAL HIGHWAY SYSTEM - RURAL
INTERSTATE SYSTEM OTHER TOTAL
AVERAGE DAILY TRAFFIC VOLUME TOTAL AVERAGE DAILY TRAFFIC VOLUME TOTAL
LESS THAN 10,000 10,000- 19,999 20,000- 34,999 35,000 AND OVER LESS THAN 1,000 1,000- 1,999 2,000- 2,999 3,000- 3,999 4,000- 4,999 5,000- 9,999 10,000- 14,999 15,000 AND OVER
Alabama - 107 265 198 571 0 122 201 256 207 692 326 197 2,002 2,572
Alaska 978 10 11 3 1,002 782 54 75 17 26 26 8 0 988 1,990
Arizona 141 437 266 72 916 12 78 74 128 133 454 194 135 1,207 2,123
Arkansas 27 47 291 73 439 24 181 208 260 356 683 172 55 1,938 2,377
California 41 333 292 519 1,186 143 384 181 344 219 1,067 401 842 3,581 4,767
Colorado 102 342 115 88 648 250 279 564 405 307 509 115 146 2,576 3,224
Connecticut - 0 10 19 29 - - 1 2 21 54 42 39 158 186
Delaware - - - - - - 3 1 0 3 5 24 90 127 127
Dist. of Columbia - - - - - - - - - - - - - - -
Florida - 24 375 319 717 20 52 153 259 292 1,001 445 536 2,759 3,476
Georgia 1 22 219 295 537 77 363 323 473 322 1,008 233 271 3,070 3,608
Hawaii - - - - - 1 1 - - - 56 7 16 80 80
Idaho 161 240 121 1 523 234 328 318 208 203 309 66 42 1,708 2,231
Illinois 88 510 588 58 1,243 0 168 519 503 453 665 88 12 2,408 3,652
Indiana 80 205 253 247 784 5 23 76 215 213 705 266 232 1,735 2,520
Iowa 20 240 285 66 611 30 423 720 631 484 796 276 58 3,418 4,029
Kansas 45 491 92 11 639 39 613 692 436 449 675 81 45 3,031 3,671
Kentucky 71 137 162 341 711 2 29 52 122 153 789 345 137 1,629 2,340
Louisiana 16 148 144 225 532 21 82 102 149 80 397 200 112 1,144 1,676
Maine 106 41 92 40 279 0 72 106 92 108 284 103 36 801 1,080
Maryland - 58 11 73 142 - 3 6 8 16 42 99 203 377 520
Massachusetts - 6 38 21 64 25 47 105 50 33 119 32 19 431 495
Michigan 62 171 135 195 562 49 305 198 400 238 787 209 299 2,483 3,046
Minnesota 111 302 123 53 588 85 400 645 624 406 873 239 216 3,488 4,076
Mississippi 6 317 207 49 578 31 40 100 104 206 890 265 176 1,812 2,391
Missouri 26 371 362 83 842 41 298 364 277 270 1,000 430 308 2,989 3,831
Montana 971 121 2 - 1,094 652 895 650 184 112 199 43 38 2,773 3,867
Nebraska 104 150 126 34 415 292 669 577 360 254 420 94 17 2,683 3,098
Nevada 325 17 74 41 457 406 322 385 146 76 156 27 25 1,544 2,001
New Hampshire 29 52 46 15 142 - 1 32 36 13 135 111 59 387 529
New Jersey - - - 45 45 - - 5 9 2 53 62 64 195 240
New Mexico 290 340 200 13 843 144 251 265 426 109 311 199 45 1,750 2,593
New York 218 227 243 117 804 31 260 328 416 246 769 161 80 2,290 3,094
North Carolina 16 85 207 254 561 11 50 77 156 140 645 424 711 2,214 2,774
North Dakota 305 202 3 - 510 1,229 753 318 233 123 266 22 - 2,944 3,453
Ohio 2 45 209 387 643 19 42 144 139 180 662 340 337 1,861 2,504
Oklahoma 30 214 350 52 646 75 207 379 249 247 764 122 265 2,307 2,954
Oregon - 287 148 61 495 531 485 218 290 308 603 141 82 2,657 3,152
Pennsylvania 7 201 665 201 1,074 6 107 153 184 243 581 313 275 1,862 2,937
Rhode Island - - - 18 18 - 6 11 16 13 28 30 4 108 126
South Carolina - 1 183 362 546 7 80 170 241 113 556 226 198 1,590 2,137
South Dakota 371 209 12 - 591 809 1,155 448 231 109 136 2 - 2,891 3,482
Tennessee 16 42 245 341 644 12 91 123 127 238 732 307 116 1,746 2,391
Texas 233 561 712 494 2,001 203 646 776 775 652 2,439 1,304 874 7,669 9,669
Utah 309 219 144 12 684 113 140 205 180 132 337 43 32 1,182 1,866
Vermont 93 122 37 3 256 0 6 16 18 75 162 30 - 307 563
Virginia 31 18 142 406 598 82 61 76 29 76 606 375 452 1,756 2,354
Washington 1 174 132 122 429 75 292 223 256 185 649 97 148 1,925 2,354
West Virginia 21 169 91 38 319 26 168 145 143 118 197 176 44 1,017 1,336
Wisconsin 0 92 211 209 512 9 169 362 493 352 1,044 468 263 3,160 3,672
Wyoming 457 346 4 - 807 281 767 605 127 91 92 3 - 1,966 2,774
U.S. Total 5,913 8,453 8,641 6,272 29,280 6,881 11,971 12,477 11,428 9,404 26,431 9,787 8,351 96,728 126,008
Puerto Rico - 16 19 9 44 - - - 0 1 12 23 8 43 87
Grand Total 5,913 8,469 8,661 6,282 29,324 6,881 11,971 12,477 11,428 9,404 26,443 9,809 8,359 96,771 126,095

August 30, 2019
Table HM-37
Sheet 2 of 3

STATE NATIONAL HIGHWAY SYSTEM - URBAN
INTERSTATE SYSTEM OTHER TOTAL
AVERAGE DAILY TRAFFIC VOLUME TOTAL AVERAGE DAILY TRAFFIC VOLUME TOTAL
LESS THAN 30,000 30,000- 69,999 70,000- 124,999 125,000- 174,999 175,000 AND OVER LESS THAN 7,500 7,500- 14,999 15,000- 34,999 35,000- 59,999 60,000 AND OVER
Alabama 60 246 118 8 - 433 127 318 699 116 21 1,280 1,713
Alaska 52 27 - - - 79 24 43 88 5 - 161 240
Arizona 49 96 50 24 34 253 34 104 358 163 159 818 1,071
Arkansas 78 144 87 1 - 310 128 213 295 35 9 679 989
California 58 120 223 302 568 1,270 887 1,274 3,618 1,113 1,242 8,134 9,404
Colorado 68 64 89 52 31 304 90 206 670 319 95 1,381 1,684
Connecticut 16 99 151 52 0 318 98 342 349 87 82 958 1,275
Delaware 0 11 21 4 4 41 4 23 138 74 17 256 297
Dist. of Columbia - 1 7 2 1 12 1 10 78 26 8 122 134
Florida 31 202 301 137 107 778 135 537 1,897 1,434 522 4,525 5,303
Georgia 26 309 193 105 76 710 474 707 1,315 212 69 2,778 3,488
Hawaii 7 14 19 5 9 55 11 120 142 43 2 318 373
Idaho 42 29 17 5 - 93 73 118 149 17 0 357 450
Illinois 280 316 122 157 67 942 551 925 1,375 269 37 3,158 4,099
Indiana 135 228 96 35 8 503 79 201 357 77 4 717 1,220
Iowa 49 91 37 1 - 178 327 325 273 7 - 932 1,110
Kansas 86 95 40 14 - 234 143 164 153 23 23 507 741
Kentucky 23 94 81 31 4 232 63 199 381 69 15 727 959
Louisiana 31 233 119 19 9 410 113 270 626 135 6 1,150 1,560
Maine 32 47 8 - - 87 11 81 67 2 - 160 247
Maryland 10 52 122 61 93 338 37 138 626 339 173 1,313 1,651
Massachusetts 11 142 259 62 34 508 248 708 956 263 148 2,323 2,831
Michigan 91 321 164 96 4 676 219 729 1,327 292 170 2,736 3,412
Minnesota 54 91 134 45 2 325 98 202 313 126 111 850 1,176
Mississippi 74 141 35 2 - 253 247 336 372 54 1 1,009 1,262
Missouri 101 185 175 65 12 538 138 324 677 161 40 1,340 1,879
Montana 86 12 - - - 98 60 73 81 5 - 220 318
Nebraska 15 30 12 8 4 69 76 145 207 26 14 468 537
Nevada 50 48 20 28 16 163 32 78 185 81 43 418 581
New Hampshire 3 34 46 - - 83 22 113 123 41 22 320 403
New Jersey 3 81 185 74 44 387 119 549 941 405 327 2,341 2,728
New Mexico 66 61 12 10 7 156 66 159 121 27 5 379 535
New York 228 401 204 88 17 939 617 1,243 1,466 389 335 4,051 4,989
North Carolina 56 345 255 83 6 745 105 436 1,167 381 74 2,163 2,909
North Dakota 46 10 6 - - 61 74 69 62 1 - 205 267
Ohio 83 409 326 100 14 931 299 710 989 169 56 2,222 3,153
Oklahoma 89 107 72 18 - 286 131 218 244 49 53 695 981
Oregon 55 89 51 38 1 234 105 284 454 55 28 927 1,161
Pennsylvania 174 433 142 27 11 788 433 1,321 1,296 282 101 3,433 4,221
Rhode Island - 17 17 15 3 52 32 160 180 39 13 424 476
South Carolina 24 131 138 11 - 304 65 325 582 182 6 1,161 1,465
South Dakota 64 24 - - - 88 59 60 36 - - 155 243
Tennessee 43 274 145 71 24 557 219 590 999 217 42 2,066 2,623
Texas 159 479 377 241 202 1,459 769 1,523 3,094 959 619 6,965 8,424
Utah 66 63 44 44 35 253 88 141 337 117 11 693 946
Vermont 46 19 - - - 64 19 44 25 1 - 88 153
Virginia 42 206 148 79 46 521 67 390 788 364 122 1,730 2,251
Washington 51 88 77 61 57 335 167 491 931 188 95 1,871 2,206
West Virginia 63 161 11 - - 235 64 150 187 13 - 414 649
Wisconsin 72 173 85 37 - 366 396 740 663 111 27 1,937 2,303
Wyoming 106 - - - - 106 68 92 27 0 - 186 292
U.S. Total 3,153 7,093 5,042 2,321 1,551 19,160 8,515 18,720 32,481 9,560 4,947 74,223 93,383
Puerto Rico 71 141 35 4 7 257 32 87 226 62 27 434 692
Grand Total 3,224 7,234 5,077 2,325 1,558 19,417 8,547 18,806 32,707 9,622 4,975 74,657 94,075

August 30, 2019
Table HM-37
Sheet 3 of 3

STATE OTHER FEDERAL - AID HIGHWAYS
RURAL URBAN TOTAL
AVERAGE DAILY TRAFFIC VOLUME   AVERAGE DAILY TRAFFIC VOLUME TOTAL
LESS THAN 100 100- 499 500- 999 1,000- 4,999 5,000- 9,999 10,000 AND OVER TOTAL LESS THAN 1,000 1,000- 2,999 3,000- 4,999 5,000- 9,999 10,000- 19,999 20,000 AND OVER
Alabama 408 4,534 3,825 6,754 636 111 16,268 964 1,798 1,100 1,395 832 150 6,239 22,508
Alaska 469 685 148 286 22 4 1,614 152 250 112 116 37 0 667 2,281
Arizona 166 707 997 3,194 398 49 5,511 439 911 555 955 1,091 1,079 5,030 10,541
Arkansas 665 5,080 3,364 5,351 413 18 14,891 984 1,248 744 814 421 83 4,295 19,187
California 503 3,556 3,188 8,479 1,561 937 18,224 2,244 5,101 3,844 5,573 4,714 2,576 24,053 42,277
Colorado 941 2,884 2,069 2,611 357 72 8,935 384 830 667 939 721 197 3,739 12,674
Connecticut - 35 85 768 175 12 1,075 187 970 849 1,219 532 44 3,802 4,876
Delaware 0 7 26 295 115 28 470 36 136 143 189 155 47 706 1,176
Dist. of Columbia - - - - - - - 11 38 63 92 102 13 319 319
Florida 10 289 883 3,689 1,092 286 6,249 294 1,555 1,692 3,380 3,358 2,285 12,564 18,813
Georgia 52 1,016 1,375 12,026 827 358 15,656 167 1,716 1,523 2,093 3,312 257 9,069 24,725
Hawaii - 8 37 287 93 43 468 15 124 87 201 158 56 642 1,110
Idaho 1,005 2,768 1,667 1,849 138 35 7,461 229 508 267 302 189 34 1,530 8,991
Illinois 108 4,155 4,125 7,659 345 9 16,401 1,201 2,795 1,797 2,509 1,703 407 10,412 26,813
Indiana 245 2,266 2,141 6,719 869 133 12,373 869 2,128 1,742 1,943 1,453 480 8,615 20,988
Iowa 1,049 6,145 5,233 5,642 99 9 18,176 530 1,015 566 647 208 19 2,985 21,161
Kansas 8,934 9,444 4,257 3,993 61 13 26,701 690 1,067 556 716 415 131 3,577 30,278
Kentucky 6 421 1,316 5,423 883 133 8,181 113 633 718 975 569 129 3,137 11,318
Louisiana - 370 942 4,296 800 118 6,526 420 1,020 804 1,229 703 150 4,326 10,852
Maine 3 335 668 2,723 401 77 4,207 10 151 208 282 145 17 813 5,020
Maryland 0 29 140 1,135 535 177 2,016 153 692 609 1,180 1,063 308 4,005 6,021
Massachusetts 5 91 171 524 69 7 867 336 1,404 1,893 1,894 1,266 293 7,085 7,952
Michigan 488 3,785 4,561 10,623 1,596 197 21,248 650 2,096 1,785 2,573 1,617 248 8,970 30,218
Minnesota 648 7,416 6,131 7,584 466 61 22,306 628 1,343 997 1,481 899 219 5,567 27,873
Mississippi 888 5,052 3,252 5,926 508 48 15,675 233 969 665 623 172 23 2,685 18,359
Missouri 721 7,759 4,589 6,552 562 89 20,272 370 1,418 969 1,336 679 109 4,880 25,152
Montana 2,363 4,434 1,462 1,402 53 7 9,721 106 296 139 169 72 3 786 10,506
Nebraska 3,589 5,925 2,754 3,145 116 8 15,537 215 498 266 364 176 53 1,573 17,110
Nevada 537 1,403 493 461 61 5 2,960 302 408 271 501 383 287 2,152 5,112
New Hampshire 13 22 129 1,081 318 49 1,612 14 173 245 338 223 18 1,011 2,622
New Jersey - 26 107 670 240 39 1,082 248 1,425 1,482 2,379 1,254 78 6,866 7,948
New Mexico 510 2,337 1,137 2,621 280 94 6,980 271 599 423 512 310 112 2,227 9,207
New York 9 384 1,393 6,119 529 40 8,474 800 2,953 2,290 3,256 1,643 263 11,206 19,680
North Carolina 28 461 1,113 6,579 1,815 362 10,358 276 1,276 1,321 2,234 1,853 625 7,586 17,944
North Dakota 5,048 6,445 1,878 1,104 36 - 14,511 104 226 130 135 47 7 648 15,159
Ohio 83 1,353 2,257 8,576 1,319 102 13,690 498 2,149 2,034 3,558 2,164 366 10,770 24,459
Oklahoma 4,699 8,504 3,726 6,039 605 82 23,655 830 1,269 670 913 778 175 4,634 28,289
Oregon 2,231 3,637 1,783 2,391 295 63 10,400 512 1,299 654 877 482 92 3,915 14,315
Pennsylvania 63 1,561 2,018 6,734 1,152 149 11,677 770 2,564 2,211 3,021 1,277 95 9,938 21,616
Rhode Island - 4 36 169 35 - 244 85 282 204 233 101 8 914 1,158
South Carolina 78 2,671 2,932 6,238 934 152 13,005 502 1,138 771 1,207 762 272 4,652 17,657
South Dakota 5,345 6,500 2,201 1,300 24 - 15,371 154 243 156 142 74 15 785 16,156
Tennessee 43 945 1,564 4,410 864 172 7,998 650 1,598 1,152 1,549 946 264 6,159 14,157
Texas 3,691 13,138 8,753 17,698 2,719 552 46,552 3,696 5,987 3,999 5,496 4,418 1,910 25,506 72,058
Utah 273 1,568 1,089 1,487 128 7 4,551 436 625 315 480 392 110 2,359 6,910
Vermont 16 290 577 1,621 202 24 2,731 61 143 103 113 59 2 481 3,212
Virginia 42 1,738 2,513 5,431 1,120 163 11,008 516 1,272 861 1,457 1,082 391 5,578 16,586
Washington 521 3,069 1,940 3,901 532 152 10,114 556 1,632 1,102 1,531 772 120 5,712 15,826
West Virginia 120 1,826 1,522 3,045 341 19 6,872 247 515 320 413 169 20 1,683 8,555
Wisconsin 148 3,441 3,278 8,410 1,205 258 16,740 1,139 1,800 1,201 1,299 567 43 6,048 22,788
Wyoming 201 1,328 1,262 1,126 29 1 3,946 257 343 154 147 43 12 956 4,901
U.S. Total 46,965 141,847 103,104 216,146 27,975 5,523 541,559 25,556 62,630 47,430 66,980 46,564 14,695 263,855 805,414
Puerto Rico - 60 84 275 38 16 472 141 533 399 612 399 78 2,162 2,634
Grand Total 46,965 141,906 103,187 216,420 28,013 5,539 542,031 25,697 63,162 47,830 67,592 46,963 14,772 266,017 808,048

(1) Unreported AADT values included in lowest category for each grouping.

 

Page last modified on December 23, 2019
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