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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2024 / Table HM-37 - Highway Statistics 2024

Highway Statistics Series

Highway Statistics 2024


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Federal-Aid Highway Length - 2024 (1)
    Miles by Average Daily Traffic Volume

October 17, 2025

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 0 93 221 254 569 9 110 212 267 192 682 316 227 2,016 2,585
Alaska 972 10 13 3 998 758 74 59 44 21 24 2 2 985 1,983
Arizona 55 324 435 119 933 18 71 55 142 150 388 161 231 1,216 2,149
Arkansas 22 39 221 148 430 21 224 150 235 362 673 175 61 1,900 2,330
California 29 271 311 588 1,200 295 373 206 416 286 1,117 412 1,013 4,117 5,317
Colorado 82 302 150 85 619 187 344 379 431 248 643 171 124 2,527 3,146
Connecticut - - 9 21 30 - - - 2 11 63 45 35 156 185
Delaware - - - - - - 3 0 4 3 19 19 108 156 156
District of Columbia - - - - - - - - - - - - - - -
Florida - 8 301 352 661 23 32 69 189 201 1,024 469 668 2,674 3,336
Georgia 1 13 209 426 649 24 345 362 466 424 1,340 388 340 3,689 4,338
Hawaii - - - 6 6 1 1 - 0 0 43 9 16 70 76
Idaho 122 233 161 0 517 200 215 345 235 186 421 80 36 1,719 2,236
Illinois 76 547 559 45 1,228 3 236 492 534 457 651 72 4 2,450 3,678
Indiana 42 203 336 247 828 3 21 93 196 227 726 260 243 1,770 2,598
Iowa 19 222 272 83 597 33 441 711 568 406 803 321 82 3,365 3,962
Kansas 0 535 78 11 624 36 612 684 490 421 637 87 32 2,998 3,622
Kentucky 32 226 118 367 743 15 58 39 97 211 688 332 119 1,559 2,302
Louisiana 4 150 163 212 528 73 47 128 83 132 383 156 111 1,113 1,641
Maine 106 25 70 56 257 8 69 92 119 69 286 109 37 787 1,044
Maryland - 42 27 66 136 - 3 10 18 7 47 94 283 462 598
Massachusetts - 3 32 18 53 15 57 103 58 31 109 22 6 402 455
Michigan 62 150 160 172 544 8 253 243 268 286 853 223 305 2,441 2,984
Minnesota 121 313 103 32 569 65 516 660 644 293 827 226 188 3,419 3,989
Mississippi 5 226 285 51 567 8 58 115 74 142 883 317 227 1,824 2,392
Missouri 6 320 348 168 841 41 277 389 275 239 901 445 392 2,958 3,799
Montana 814 281 11 - 1,105 652 759 743 172 122 221 66 48 2,783 3,888
Nebraska 104 150 126 30 410 311 713 555 338 233 432 77 20 2,679 3,089
Nevada 315 28 73 40 456 415 275 378 242 32 146 51 27 1,566 2,022
New Hampshire 19 48 45 16 129 - - 32 27 22 141 102 58 382 511
New Jersey - - - 45 45 - - 5 11 2 64 84 72 238 283
New Mexico 269 186 317 53 825 100 264 188 348 201 423 114 56 1,695 2,520
New York 205 249 240 117 811 53 247 328 408 279 766 138 69 2,289 3,099
North Carolina 8 117 319 364 808 13 37 106 130 147 651 483 1,044 2,609 3,416
North Dakota 319 183 4 - 505 1,153 782 398 159 151 281 18 - 2,942 3,447
Ohio 1 51 179 392 624 30 83 120 135 182 661 295 358 1,863 2,486
Oklahoma 42 143 366 115 665 72 203 355 243 283 734 159 255 2,305 2,969
Oregon - 302 142 65 509 480 434 306 290 262 609 192 100 2,673 3,182
Pennsylvania 24 287 723 122 1,156 21 89 199 211 194 738 389 338 2,180 3,336
Rhode Island - - - 15 15 0 3 7 13 10 34 20 8 96 111
South Carolina - - 127 336 463 7 84 165 228 111 443 230 169 1,439 1,901
South Dakota 305 233 54 - 591 860 1,126 454 216 78 149 7 - 2,890 3,481
Tennessee 7 54 167 452 680 5 76 105 136 201 793 366 227 1,909 2,589
Texas 214 606 556 591 1,967 251 481 870 725 835 2,722 1,309 1,205 8,397 10,365
Utah 258 241 140 41 680 109 93 183 194 131 357 69 42 1,178 1,858
Vermont 107 123 38 - 268 1 - 19 39 56 170 28 - 314 582
Virginia 39 1 107 355 502 77 65 48 47 65 577 367 397 1,643 2,146
Washington - 125 178 105 407 78 288 234 211 191 634 113 158 1,907 2,314
West Virginia 37 203 103 27 371 86 150 209 116 133 221 129 44 1,089 1,460
Wisconsin 1 94 201 229 525 16 149 402 419 449 1,089 460 323 3,307 3,832
Wyoming 456 347 4 - 807 193 731 652 172 69 145 6 - 1,968 2,775
U.S. Total 5,300 8,307 8,800 7,043 29,450 6,825 11,573 12,655 11,086 9,447 27,431 10,183 9,911 99,112 128,562
Puerto Rico 1 13 15 32 62 0 - 3 1 1 25 22 21 72 134
Grand Total 5,302 8,320 8,815 7,075 29,512 6,825 11,573 12,658 11,087 9,448 27,456 10,206 9,932 99,184 128,696

 

October 17, 2025

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 55 247 115 18 - 435 109 308 733 110 19 1,279 1,714
Alaska 52 30 - - - 82 24 55 84 2 - 165 247
Arizona 35 77 52 23 49 235 18 97 334 185 193 827 1,062
Arkansas 89 152 95 2 - 338 162 214 303 43 9 730 1,068
California 51 94 227 484 399 1,256 589 1,350 3,703 1,137 1,229 8,008 9,264
Colorado 76 79 92 54 32 333 67 214 806 261 78 1,426 1,759
Connecticut 12 100 151 54 - 317 96 364 329 77 92 960 1,276
Delaware - 14 21 3 3 41 3 43 152 53 12 263 304
District of Columbia 0 1 7 3 1 12 4 12 81 17 10 123 135
Florida 9 167 337 186 136 834 109 498 1,908 1,528 634 4,678 5,511
Georgia 11 177 222 95 93 598 273 536 1,101 325 80 2,315 2,913
Hawaii 10 9 16 7 8 49 25 82 173 48 3 330 379
Idaho 38 29 21 7 - 95 45 78 120 22 0 266 361
Illinois 305 311 130 157 55 958 576 926 1,391 187 38 3,118 4,076
Indiana 100 224 116 38 15 492 89 174 319 63 10 655 1,148
Iowa 51 103 35 2 - 192 382 347 262 9 - 999 1,191
Kansas 102 96 46 7 2 253 150 166 160 29 21 527 780
Kentucky 24 97 99 26 8 255 84 211 370 75 17 758 1,012
Louisiana 42 217 132 20 5 417 103 337 570 115 5 1,130 1,547
Maine 46 55 9 - - 110 17 74 69 2 - 161 271
Maryland 10 52 160 55 81 358 51 147 597 247 158 1,201 1,559
Massachusetts 22 141 260 78 13 513 326 882 825 223 113 2,369 2,882
Michigan 112 330 178 72 4 695 282 806 1,267 303 121 2,779 3,474
Minnesota 73 82 148 38 3 344 151 242 311 123 100 927 1,272
Mississippi 75 149 41 - - 264 253 322 366 53 - 994 1,258
Missouri 72 215 194 53 10 544 150 363 641 172 58 1,386 1,929
Montana 74 14 - - - 87 54 66 85 5 - 210 297
Nebraska 18 31 12 7 5 73 74 124 238 27 16 479 552
Nevada 52 50 24 39 15 179 32 82 181 75 34 403 583
New Hampshire 10 31 53 1 - 96 28 121 127 31 22 328 425
New Jersey - 72 182 89 45 387 116 486 949 403 343 2,298 2,685
New Mexico 86 56 19 12 1 174 92 148 162 27 7 436 610
New York 262 382 217 92 11 963 727 1,335 1,343 333 321 4,059 5,022
North Carolina 53 257 199 111 4 625 90 367 905 336 63 1,760 2,385
North Dakota 50 11 6 - - 66 70 80 59 1 - 209 275
Ohio 89 417 345 107 - 958 302 732 987 169 65 2,256 3,214
Oklahoma 86 135 82 14 - 318 129 204 222 47 54 656 974
Oregon 48 87 54 31 - 220 100 272 469 49 28 919 1,139
Pennsylvania 161 393 125 22 7 708 416 1,175 1,161 285 104 3,141 3,849
Rhode Island 0 25 13 16 0 55 49 177 139 34 13 412 467
South Carolina 28 195 146 17 1 388 90 327 647 219 29 1,313 1,701
South Dakota 55 32 - - - 88 53 65 39 0 - 157 244
Tennessee 25 243 160 68 26 522 178 484 979 207 50 1,899 2,421
Texas 119 424 414 311 243 1,511 602 1,407 2,881 960 792 6,641 8,152
Utah 32 88 55 46 42 263 79 147 335 154 17 732 994
Vermont 35 17 - - - 52 17 46 20 1 - 84 136
Virginia 39 278 160 97 43 617 84 422 872 383 115 1,876 2,493
Washington 45 108 91 71 41 356 175 533 922 175 81 1,886 2,242
West Virginia 53 117 15 - - 185 60 154 132 1 - 347 532
Wisconsin 67 165 79 39 2 353 342 611 706 108 26 1,794 2,147
Wyoming 106 - - - - 106 76 78 26 - - 180 286
U.S. Total 3,066 6,876 5,354 2,672 1,401 19,368 8,174 18,491 31,563 9,439 5,180 72,847 92,216
Puerto Rico 62 118 33 4 7 224 36 108 201 59 17 421 645
Grand Total 3,128 6,993 5,387 2,675 1,408 19,592 8,210 18,599 31,764 9,498 5,197 73,268 92,861

 

October 17, 2025

Table HM-37 (Sheet 3 of 3)
STATE OTHER FEDERAL-AID HIGHWAYS
RURAL URBAN TOTAL
AVERAGE DAILY TRAFFIC VOLUME TOTAL AVERAGE DAILY TRAFFIC VOLUME TOTAL
LESS THAN 100 100-499 500-999 1,000-4,999 5,000-9,999 10,000 AND OVER 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 453 4,524 3,852 6,659 727 111 16,325 968 1,827 1,083 1,464 808 150 6,300 22,626
Alaska 325 831 153 255 14 6 1,583 139 295 112 124 37 0 708 2,291
Arizona 197 819 960 3,252 416 94 5,738 1,166 2,098 1,234 1,214 1,219 1,116 8,047 13,785
Arkansas 430 5,042 3,704 5,104 385 22 14,689 701 1,525 963 828 407 95 4,520 19,209
California 164 2,967 2,970 8,840 2,142 922 18,005 1,491 4,882 4,069 6,253 5,248 1,559 23,502 41,507
Colorado 864 2,670 2,066 2,765 354 84 8,803 404 924 665 1,025 774 182 3,974 12,777
Connecticut 0 39 75 747 193 9 1,064 223 1,054 907 1,171 498 25 3,879 4,943
Delaware - 4 32 277 135 17 465 36 141 149 212 125 33 696 1,160
District of Columbia - - - - - - - 9 50 61 100 83 11 315 315
Florida 3 173 791 3,396 1,166 461 5,990 338 1,604 1,781 3,778 3,931 2,577 14,010 19,999
Georgia 207 3,446 3,338 8,374 1,129 182 16,676 335 1,335 1,462 2,109 1,877 489 7,608 24,284
Hawaii - 8 67 204 152 36 468 23 109 116 189 167 50 653 1,121
Idaho 754 2,571 1,625 2,119 169 34 7,272 296 514 310 405 262 79 1,866 9,138
Illinois 174 4,342 3,883 7,664 329 6 16,399 1,291 2,872 1,840 2,489 1,694 321 10,507 26,905
Indiana 300 2,369 2,247 6,487 1,098 202 12,703 1,022 1,955 1,312 1,974 1,525 567 8,355 21,058
Iowa 1,035 5,839 5,308 5,803 108 3 18,096 616 1,074 609 644 217 20 3,181 21,277
Kansas 9,645 9,029 3,961 3,887 86 13 26,622 739 1,174 597 722 438 132 3,803 30,424
Kentucky 10 636 1,458 5,077 809 111 8,101 182 837 734 964 515 120 3,352 11,453
Louisiana 18 395 977 4,539 764 103 6,797 421 1,136 1,290 1,609 838 154 5,449 12,246
Maine 7 354 704 2,569 421 65 4,120 21 179 203 328 159 15 904 5,024
Maryland 4 33 156 1,207 481 198 2,079 188 643 673 1,247 936 259 3,946 6,026
Massachusetts 1 77 163 530 59 6 835 185 1,287 2,209 2,282 1,065 76 7,103 7,938
Michigan 536 3,803 4,496 10,330 1,654 176 20,995 794 2,263 1,768 2,712 1,537 191 9,265 30,260
Minnesota 631 7,358 6,143 7,512 447 31 22,122 980 2,157 1,280 1,579 786 175 6,958 29,080
Mississippi 1,306 4,941 3,085 5,722 521 43 15,619 323 990 638 628 214 31 2,824 18,443
Missouri 669 7,237 4,689 6,982 585 74 20,237 420 1,422 1,014 1,423 682 90 5,050 25,287
Montana 2,458 4,184 1,498 1,514 94 15 9,764 92 248 161 175 68 4 748 10,513
Nebraska 3,715 5,690 2,841 3,126 142 2 15,517 211 517 290 377 208 72 1,675 17,191
Nevada 485 1,476 384 506 61 17 2,929 266 406 254 497 376 311 2,110 5,039
New Hampshire 13 8 135 1,116 315 50 1,636 16 221 276 355 173 11 1,053 2,688
New Jersey - 16 136 787 274 61 1,274 234 1,345 1,557 2,229 1,181 115 6,661 7,935
New Mexico 427 2,275 1,158 2,617 277 100 6,854 377 634 384 513 341 118 2,367 9,221
New York 9 435 1,306 6,286 677 56 8,770 892 3,179 2,299 3,303 1,517 249 11,440 20,210
North Carolina 6 452 1,135 7,039 2,251 706 11,589 140 950 1,004 1,874 1,672 525 6,164 17,753
North Dakota 5,791 6,176 1,651 1,035 30 - 14,683 155 276 134 131 49 5 751 15,433
Ohio 72 1,425 2,311 8,418 1,290 108 13,624 578 2,443 2,104 3,368 2,071 358 10,923 24,548
Oklahoma 5,354 8,150 3,537 5,890 641 101 23,673 882 1,281 704 898 759 144 4,669 28,343
Oregon 2,236 3,394 1,682 2,773 410 95 10,589 480 1,195 658 884 531 100 3,848 14,437
Pennsylvania 92 1,631 2,127 7,541 1,305 188 12,884 691 2,380 1,949 2,721 1,069 70 8,879 21,764
Rhode Island 1 12 30 127 37 1 206 119 328 187 237 115 8 994 1,200
South Carolina 92 2,459 2,577 6,018 847 162 12,155 578 1,383 933 1,404 968 288 5,553 17,708
South Dakota 5,478 6,285 2,276 1,345 28 - 15,413 151 240 135 170 82 11 788 16,201
Tennessee 16 940 1,525 4,524 1,010 200 8,216 578 1,445 1,086 1,564 1,032 211 5,915 14,132
Texas 3,546 12,243 8,150 17,935 2,975 512 45,361 3,278 6,233 4,101 5,850 5,238 2,184 26,883 72,245
Utah 233 1,361 1,134 1,667 140 11 4,547 451 632 318 489 407 130 2,425 6,972
Vermont 9 270 585 1,663 217 35 2,778 41 148 98 109 52 1 448 3,227
Virginia 39 1,649 2,371 5,412 1,098 183 10,752 599 1,461 1,060 1,596 1,147 357 6,218 16,970
Washington 661 3,121 1,975 3,734 480 134 10,105 808 1,835 1,196 1,391 650 79 5,958 16,064
West Virginia 241 2,066 1,670 2,901 323 24 7,225 217 398 229 359 129 14 1,345 8,569
Wisconsin 85 2,609 3,650 9,584 947 322 17,196 765 1,925 1,049 1,279 617 108 5,743 22,939
Wyoming 290 1,123 1,212 1,235 111 - 3,972 260 346 144 127 46 9 932 4,904
U.S. Total 49,084 138,959 103,958 215,093 30,325 6,095 543,515 26,170 65,793 49,393 69,374 46,539 13,999 271,268 814,784
Puerto Rico 31 141 144 300 54 14 685 198 469 368 544 329 49 1,957 2,643
Grand Total 49,116 139,100 104,103 215,393 30,379 6,109 544,200 26,368 66,262 49,761 69,918 46,868 14,048 273,226 817,426

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

 

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