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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2024 / Table HM-59

Highway Statistics Series

Highway Statistics 2024


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Functional System Length - 2024 1/
Miles by Lane Width, Access Control and Average Daily Traffic Volume – Rural

National Summary

NOVEMBER 2025

Table HM-59 (Sheet 1 of 4)
LANE WIDTH AND ACCESS CONTROL AVERAGE DAILY TRAFFIC VOLUME
INTERSTATE OTHER FREEWAYS AND EXPRESSWAYS OTHER PRINCIPAL ARTERIAL
LESS THAN 10,000 10,000 - 19,999 20,000 - 34,999 35,000 AND OVER TOTAL LESS THAN 1,000 1,000 - 1,999 2,000 - 2,999 3,000 - 9,999 10,000 - 14,999 15,000 AND OVER TOTAL LESS THAN 1,000 1,000 - 1,999 2,000 - 2,999 3,000 - 9,999 10,000 - 14,999 15,000 AND OVER TOTAL
Undivided: 2/ Less than 9 feet 2 - - - 2 - - - 0 - - 0 8 1 - 33 0 0 42
9 feet 1 - - - 1 - - - - - - - 14 69 33 130 7 4 258
10 feet 3 8 2 0 13 - 0 - - - - 0 188 253 379 890 76 74 1,860
11 feet 24 38 9 - 71 - 40 20 12 3 13 87 575 843 1,264 4,120 429 362 7,592
12 feet 1,065 109 31 8 1,212 4 19 48 342 44 65 522 5,183 9,339 10,649 25,520 2,861 1,322 54,874
Greater than 12 feet 14 3 2 1 21 2 - 0 8 1 1 12 118 167 234 802 90 47 1,458
Total Undivided 1,109 158 45 9 1,321 6 59 68 362 47 78 621 6,086 10,671 12,560 31,494 3,463 1,809 66,084
Divided: 2/
No access control:		 Less than 9 feet - - - - - - - - 2 - - 2 - - - - 0 - 0
9 feet - - - - - - - - - - - - - - - 7 1 0 8
10 feet - 67 79 155 301 - - - - - - - 6 0 4 51 4 100 164
11 feet 3 55 20 35 113 - - - 2 - 3 5 7 37 50 684 352 278 1,408
12 feet 9 72 216 58 355 - 4 23 325 160 107 619 38 109 596 6,000 2,677 2,936 12,356
Greater than 12 feet - - - - - - - 0 1 4 1 6 1 28 12 266 101 80 489
Subtotal 12 194 315 247 768 - 4 23 329 164 111 632 52 173 663 7,008 3,135 3,395 14,426
Divided: 2/
Partial access control:		 Less than 9 feet - - - 0 0 - - - - - - - - 10 - 45 29 - 84
9 feet - - - - - - - - - - - - - - - 1 - - 1
10 feet - - - 2 2 - - - 12 3 14 29 - 4 - 157 7 14 182
11 feet - - - - - - - - 6 13 46 65 0 - 2 119 88 128 338
12 feet - 10 - - 10 - 26 80 646 446 634 1,831 19 27 192 2,434 1,175 1,543 5,390
Greater than 12 feet - - 0 3 3 - 1 4 27 19 5 56 1 1 19 263 103 124 511
Subtotal - 10 0 5 15 - 27 84 690 481 699 1,981 19 42 213 3,020 1,402 1,809 6,505
Divided: 2/
Full access control:		 Less than 9 feet 13 36 7 - 56 - - - - - - - - - - 0 - 1 1
9 feet 3 39 4 0 46 - - - - - - - - - - - - - -
10 feet 14 15 51 27 107 - - - - - 8 8 - 0 - 19 23 2 44
11 feet 66 220 226 512 1,024 - - - 20 35 133 187 - 0 - 1 12 5 18
12 feet 4,004 7,345 7,591 5,715 24,655 13 1 2 699 667 1,603 2,985 1 1 26 384 153 400 965
Greater than 12 feet 15 178 238 176 607 0 - - 0 10 48 59 0 - - 0 0 25 25
Subtotal 4,114 7,834 8,117 6,431 26,496 13 1 2 720 712 1,791 3,239 1 2 26 404 187 433 1,053
Total Divided 4,126 8,037 8,432 6,683 27,279 13 32 109 1,739 1,357 2,601 5,852 73 217 901 10,431 4,724 5,637 21,984
Total 5,235 8,195 8,477 6,692 28,599 20 91 177 2,101 1,404 2,679 6,473 6,160 10,889 13,461 41,926 8,187 7,447 88,068

NOVEMBER 2025

Table HM-59 (Sheet 2 of 4)
LANE WIDTH AND ACCESS CONTROL AVERAGE DAILY TRAFFIC VOLUME
MINOR ARTERIAL MAJOR COLLECTOR
LESS THAN 1,000 1,000 - 1,999 2,000 - 2,999 3,000 - 9,999 10,000 - 14,999 15,000 AND OVER TOTAL LESS THAN 100 100 - 499 500 - 999 1,000 - 4,999 5,000 - 9,999 10,000 AND OVER TOTAL
Undivided: 2/ Less than 9 feet 51 42 95 16 47 - 252 1,492 4,228 997 1,665 6 8 8,395
9 feet 312 341 194 378 15 - 1,241 3,154 9,823 5,753 7,839 164 9 26,743
10 feet 2,994 2,466 3,504 4,465 197 26 13,653 9,727 31,220 21,291 29,338 1,438 78 93,093
11 feet 6,420 4,944 6,196 8,018 520 97 26,196 6,678 32,289 21,882 38,281 2,128 250 101,507
12 feet 22,406 18,488 14,955 27,384 1,555 541 85,329 19,861 52,364 30,212 54,377 5,450 783 163,047
Greater than 12 feet 556 500 645 1,332 57 25 3,116 794 3,915 1,126 3,421 368 270 9,894
Total Undivided 32,739 26,782 25,589 41,594 2,392 690 129,785 41,707 133,839 81,261 134,920 9,554 1,398 402,680
Divided: 2/
No access control:		 Less than 9 feet - - 1 - - - 1 - 10 - 0 58 - 69
9 feet - - - 2 0 - 2 - - 3 0 0 - 3
10 feet - 4 10 30 2 - 46 - 0 23 70 31 6 131
11 feet - 18 34 204 68 5 329 - 40 288 116 30 41 515
12 feet 3 404 317 929 238 366 2,257 - 141 32 194 247 62 676
Greater than 12 feet 5 28 7 92 3 26 161 7 0 18 16 0 7 50
Subtotal 8 454 369 1,257 310 397 2,795 7 192 365 397 367 117 1,444
Divided: 2/
Partial access control:		 Less than 9 feet - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - -
10 feet - - - - - - - - - - - - - -
11 feet - - 0 2 2 35 39 - - - - - 2 2
12 feet 104 87 0 135 92 76 494 - - - 80 0 46 126
Greater than 12 feet - - - 8 9 1 17 - - - - - 2 2
Subtotal 104 87 0 144 103 112 550 - - - 80 0 50 131
Divided: 2/
Full access control:		 Less than 9 feet - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - -
10 feet - - 1 1 0 0 2 - - - 0 1 - 1
11 feet - - - 26 0 - 26 - - - 0 1 0 1
12 feet - - 11 1 1 - 13 - - - - - - -
Greater than 12 feet - - - - 1 - 1 - - - 17 - 0 17
Subtotal - - 11 28 2 0 42 - - - 17 2 0 20
Total Divided 111 541 380 1,430 416 509 3,387 7 192 365 494 368 167 1,594
Total 32,850 27,323 25,970 43,023 2,808 1,198 133,172 41,714 134,031 81,626 135,415 9,922 1,566 404,274

Functional System Length - 2024 1/
Miles by Lane Width, Access Control and Average Daily Traffic Volume – Urban

National Summary

NOVEMBER 2025

Table HM-59 (Sheet 3 of 4)
LANE WIDTH AND ACCESS CONTROL AVERAGE DAILY TRAFFIC VOLUME
INTERSTATE OTHER FREEWAYS AND EXPRESSWAYS OTHER PRINCIPAL ARTERIAL
LESS THAN 30,000 30,000 - 69,999 70,000 - 124,999 125,000 - 174,999 175,000 AND OVER TOTAL LESS THAN 15,000 15,000 - 34,999 35,000 - 59,999 60,000 - 99,999 100,000 AND OVER TOTAL LESS THAN 7,500 7,500 - 14,999 15,000 - 34,999 35,000 - 59,999 60,000 AND OVER TOTAL
Undivided: 2/ Less than 9 feet 0 0 - - - 0 0 - - - - 0 34 23 63 0 - 119
9 feet 0 - - - - 0 0 - 0 - - 1 47 146 81 0 - 274
10 feet 1 18 - - - 19 3 5 2 - - 11 463 928 944 47 4 2,385
11 feet 10 4 - 1 - 15 21 28 2 1 - 53 1,114 2,110 2,455 103 5 5,787
12 feet 55 30 30 4 4 123 173 144 49 27 0 393 4,701 8,807 8,885 635 7 23,035
Greater than 12 feet 8 3 0 1 - 12 27 20 8 0 - 56 773 1,170 825 19 - 2,787
Total Undivided 75 56 30 5 4 170 225 197 63 28 0 513 7,132 13,184 13,252 805 15 34,387
Divided: 2/
No access control:		 Less than 9 feet 1 7 - - - 8 - - - - - - - 7 43 13 - 62
9 feet 0 - - - - 0 - 0 - - - 0 2 6 9 4 - 22
10 feet 3 47 13 - - 63 1 - - 0 4 5 22 163 260 113 23 582
11 feet 2 19 - 1 9 31 3 6 2 - - 11 81 402 1,434 923 152 2,992
12 feet 101 145 111 37 6 399 83 131 51 11 21 296 525 2,424 8,183 2,847 447 14,426
Greater than 12 feet 10 1 - - - 11 6 8 1 - - 15 119 339 739 111 21 1,329
Subtotal 116 219 124 38 15 512 94 144 53 12 24 327 750 3,341 10,668 4,011 642 19,412
Divided: 2/
Partial access control:		 Less than 9 feet - 0 - - - 0 - 1 - - - 1 7 1 3 - - 11
9 feet - - - - - - 0 2 - - - 2 - 0 0 - - 0
10 feet 3 6 - - - 9 5 14 3 - - 22 7 27 86 32 3 155
11 feet - 1 - - - 1 13 44 46 23 7 134 9 71 323 91 11 506
12 feet 20 5 - 0 - 25 243 708 395 169 10 1,525 323 1,041 2,259 668 114 4,404
Greater than 12 feet 8 11 - - - 19 26 41 5 9 - 81 18 64 172 60 - 314
Subtotal 31 23 - 0 - 55 286 810 449 201 17 1,764 364 1,205 2,844 851 128 5,391
Divided: 2/
Full access control:		 Less than 9 feet 2 9 3 0 - 14 7 5 11 9 2 34 1 6 5 - - 12
9 feet - 1 6 10 2 19 0 2 - 9 16 27 - - 0 - - 0
10 feet 11 29 11 2 1 54 6 20 16 3 0 45 2 18 35 16 - 72
11 feet 76 278 139 78 36 608 35 93 82 48 52 311 2 7 39 9 2 57
12 feet 2,461 5,668 4,826 2,399 1,296 16,649 667 2,056 2,246 1,964 1,762 8,695 45 214 482 102 45 888
Greater than 12 feet 123 222 39 29 23 435 27 58 53 14 19 171 12 3 15 - 1 30
Subtotal 2,673 6,207 5,025 2,517 1,358 17,780 742 2,235 2,408 2,047 1,851 9,283 61 247 577 127 48 1,060
Total Divided 2,820 6,449 5,149 2,555 1,373 18,347 1,122 3,189 2,910 2,260 1,892 11,373 1,175 4,793 14,089 4,989 818 25,863
Total 2,895 6,505 5,179 2,560 1,377 18,516 1,347 3,386 2,973 2,288 1,892 11,887 8,307 17,977 27,341 5,794 833 60,251

NOVEMBER 2025

Table HM-59 (Sheet 4 of 4)
LANE WIDTH AND ACCESS CONTROL AVERAGE DAILY TRAFFIC VOLUME
MINOR ARTERIAL MAJOR COLLECTOR MINOR COLLECTOR
LESS THAN 1,000 1,000 - 2,999 3,000 - 4,999 5,000 - 9,999 10,000 - 19,999 20,000 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 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 TOTAL
Undivided: 2/ Less than 9 feet 89 149 84 104 51 17 494 686 772 274 116 24 4 1,876 311 193 65 47 7 8 630
9 feet 183 473 295 487 229 30 1,697 1,542 2,633 820 483 90 7 5,575 691 542 130 66 4 1 1,434
10 feet 580 2,315 2,229 4,242 2,762 537 12,666 5,341 9,305 5,117 4,036 952 59 24,810 1,293 1,905 647 254 32 10 4,141
11 feet 390 2,509 2,443 6,314 3,956 932 16,544 2,874 7,519 4,664 4,923 1,053 141 21,174 1,035 1,099 590 360 129 5 3,218
12 feet 676 4,943 6,171 16,203 13,750 2,910 44,653 5,809 14,839 11,467 11,556 5,055 679 49,405 3,308 3,643 1,334 860 191 12 9,348
Greater than 12 feet 277 1,656 1,715 4,746 2,368 404 11,165 2,196 4,792 3,398 2,765 590 20 13,761 407 611 273 108 22 2 1,425
Total Undivided 2,196 12,044 12,937 32,095 23,117 4,829 87,219 18,447 39,860 25,740 23,880 7,764 910 116,601 7,046 7,993 3,040 1,694 384 38 20,195
Divided: 2/
No access control:		 Less than 9 feet - 0 - 37 17 4 58 9 0 0 0 12 2 23 - 0 - - 1 0 1
9 feet - 1 2 17 27 8 55 7 4 7 3 22 1 44 0 2 0 4 - 0 7
10 feet 3 25 34 178 505 399 1,144 12 64 80 174 151 21 502 1 15 12 38 18 - 84
11 feet 10 24 67 408 872 891 2,272 33 130 159 352 398 167 1,239 3 29 32 84 53 33 233
12 feet 26 128 196 1,573 3,638 2,469 8,030 72 798 418 1,169 1,036 283 3,776 114 349 96 213 131 24 927
Greater than 12 feet 7 82 84 416 619 334 1,542 68 155 127 204 119 10 684 4 28 20 36 5 0 93
Subtotal 46 261 382 2,629 5,678 4,105 13,101 200 1,153 792 1,902 1,737 484 6,268 121 424 160 375 208 57 1,345
Divided: 2/
Partial access control:		 Less than 9 feet - - - 1 5 4 10 - - - - - - - - - - - - - -
9 feet - - - - - - - - - - 0 - - 0 - - - 0 - - 0
10 feet - - - 28 147 9 184 - - 0 5 43 - 48 - - 0 - - - 0
11 feet - 0 3 11 38 9 61 - 20 0 5 1 1 27 - 1 - - - - 1
12 feet 2 27 45 207 569 241 1,091 5 21 5 42 30 2 105 - 2 - 14 23 - 39
Greater than 12 feet 1 0 12 6 32 3 54 - 2 0 0 4 1 8 2 - - 0 0 - 2
Subtotal 3 28 60 252 792 266 1,401 5 43 6 53 78 4 188 2 3 0 14 23 - 42
Divided: 2/
Full access control:		 Less than 9 feet - - - - - - - - - - - - - - - - - - - - -
9 feet - - - - - - - - - - 1 - - 1 - - 2 - - - 2
10 feet - 4 1 1 13 3 22 - 3 9 2 1 0 15 - - - 0 - - 0
11 feet 0 - 0 11 18 3 33 - - - - 0 - 0 0 - - - - - 0
12 feet 0 3 10 31 59 31 134 - - 1 6 7 3 17 0 - - - 1 2 3
Greater than 12 feet - - - 1 5 0 7 1 - - - 1 - 2 - - - - - - -
Subtotal 0 7 11 45 97 37 196 1 3 10 9 9 3 34 0 - 2 0 1 2 5
Total Divided 49 295 453 2,926 6,567 4,408 14,699 206 1,198 807 1,963 1,824 490 6,490 123 427 161 389 232 59 1,391
Total 2,245 12,340 13,390 35,021 29,684 9,237 101,917 18,653 41,059 26,547 25,843 9,588 1,400 123,090 7,169 8,420 3,201 2,083 616 97 21,586

1/ Includes the 50 States, the District of Columbia and Puerto Rico. Some differences from other tables may be noted because these are estimated from sample data; does not include samples entirely on structures.

2/ Differences may exist from prior years due to the redefinition of divided and undivided roadways in 1999.

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Page last modified on January 8, 2026
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