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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2022 / Table HM-59 - Highway Statistics 2022

Highway Statistics Series

Highway Statistics 2022


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Functional System Length - 2022 1/
Miles by Lane Width, Access Control and Average Daily Traffic Volume – Rural

National Summary

JANUARY 2024

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 8 - 41 0 - 51
9 feet - - - - - - - - - - - - 16 72 52 155 7 3 304
10 feet 16 - - 13 29 - 0 - - - 0 0 492 412 346 906 236 39 2,432
11 feet 638 0 - - 638 - 43 17 6 9 5 79 1,234 1,563 1,833 3,856 505 112 9,103
12 feet 330 12 4 78 425 3 24 24 378 39 37 505 4,968 8,453 9,593 24,335 2,753 1,070 51,172
Greater than 12 feet 0 - - - 0 3 - 0 11 1 0 15 117 203 290 766 77 25 1,478
Total Undivided 984 12 4 90 1,092 6 66 41 395 48 42 598 6,828 10,711 12,114 30,058 3,578 1,250 64,540
Divided: 2/
No access control:		 Less than 9 feet - - - - - - - - 1 - - 1 - - - - - - -
9 feet - - - - - - - - - - - - - 0 - 5 3 - 8
10 feet - - - 35 35 - - - - 2 - 2 21 6 6 43 54 22 152
11 feet - - - - - - - - 1 - 17 18 22 2 39 789 276 240 1,367
12 feet - 1 17 - 18 - 4 20 279 126 70 500 29 61 581 5,296 2,638 2,497 11,102
Greater than 12 feet - - - - - - - - 2 4 2 7 1 6 9 280 160 98 554
Subtotal - 1 17 35 53 - 4 20 283 133 89 529 74 74 635 6,413 3,131 2,856 13,184
Divided: 2/
Partial access control:		 Less than 9 feet - - - 4 4 - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - - - 1 - - 1
10 feet - - - - - 5 11 1 9 6 3 36 38 20 11 132 30 72 303
11 feet 3 - - - 3 - 7 - 8 - 5 21 5 21 15 125 71 80 316
12 feet 1 10 59 28 98 15 40 91 643 427 536 1,752 37 55 369 2,944 1,118 1,529 6,051
Greater than 12 feet - - 10 2 12 - 1 4 27 25 9 66 1 25 59 189 30 58 361
Subtotal 5 10 69 34 117 21 59 96 687 458 553 1,875 81 120 453 3,390 1,248 1,739 7,032
Divided: 2/
Full access control:		 Less than 9 feet - - - - - - - - - 2 - 2 - - - - - - -
9 feet - 24 - 0 24 - - - - - - - - - - - - - -
10 feet 13 86 30 281 411 - - - 0 - 2 2 0 - - - - 2 2
11 feet 568 587 167 404 1,726 - 0 - 17 40 24 81 - - - - 2 12 14
12 feet 3,637 6,983 7,807 5,665 24,092 0 - 2 607 747 1,416 2,772 3 1 60 428 90 319 901
Greater than 12 feet 60 271 167 57 556 0 - - 0 2 31 33 - - - - - 69 69
Subtotal 4,279 7,951 8,171 6,408 26,808 0 0 2 625 790 1,473 2,891 4 1 60 428 92 402 987
Total Divided 4,283 7,962 8,257 6,476 26,978 21 64 119 1,594 1,382 2,116 5,295 158 196 1,149 10,231 4,471 4,997 21,202
Total 5,268 7,975 8,261 6,567 28,070 27 130 159 1,989 1,430 2,157 5,892 6,987 10,907 13,263 40,290 8,049 6,247 85,742

JANUARY 2024

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 79 96 42 54 0 11 282 1,395 1,726 564 1,819 231 80 5,815
9 feet 283 302 406 287 13 35 1,325 2,123 4,960 3,006 4,229 564 117 14,999
10 feet 3,080 2,359 2,551 4,001 149 75 12,216 6,697 30,431 15,769 22,360 1,167 291 76,715
11 feet 7,124 5,468 5,456 6,088 305 50 24,491 5,814 31,359 20,277 33,188 1,412 425 92,475
12 feet 20,444 18,536 14,329 23,233 1,326 371 78,239 20,284 46,597 26,264 43,104 3,966 960 141,176
Greater than 12 feet 813 839 1,070 923 32 2 3,679 912 2,435 1,971 2,602 233 150 8,304
Total Undivided 31,824 27,599 23,854 34,586 1,825 543 120,231 37,224 117,508 67,852 107,303 7,574 2,023 339,484
Divided: 2/
No access control:		 Less than 9 feet - - 1 - - - 1 - - 5 16 - 32 53
9 feet - - - 2 - - 2 - 0 3 2 0 - 5
10 feet 2 6 2 29 2 0 42 - 9 50 65 21 - 144
11 feet 28 32 55 234 18 10 377 - 40 32 177 57 14 320
12 feet 2 270 143 967 221 386 1,988 0 4 13 589 429 44 1,080
Greater than 12 feet 3 107 14 64 11 29 229 6 23 14 36 1 2 82
Subtotal 35 415 214 1,296 253 425 2,638 6 76 117 885 507 93 1,684
Divided: 2/
Partial access control:		 Less than 9 feet - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - -
10 feet - - - - - - - - - - - - - -
11 feet - - - - 29 - 29 - - - - - - -
12 feet 5 87 10 184 92 51 429 - - 37 373 - 2 413
Greater than 12 feet - - - 48 2 0 49 - - - - - - -
Subtotal 5 87 10 231 122 51 507 - - 37 373 - 2 413
Divided: 2/
Full access control:		 Less than 9 feet - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - -
10 feet - - - - - - - - - - - - - -
11 feet - - - - - - - - - - - - - -
12 feet - - - 0 5 20 26 - - - 7 - 1 8
Greater than 12 feet - - - - - 1 1 - - - 18 1 - 19
Subtotal - - - 0 5 21 27 - - - 25 1 1 27
Total Divided 41 502 224 1,527 380 498 3,172 6 76 154 1,284 508 96 2,124
Total 31,865 28,102 24,078 36,113 2,205 1,042 123,403 37,230 117,584 68,006 108,586 8,082 2,119 341,607

Functional System Length - 2022 1/
Miles by Lane Width, Access Control and Average Daily Traffic Volume – Urban

National Summary

JANUARY 2024

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 1 - - - - 1 37 58 60 - - 155
9 feet - - - - - - - 0 - - - 0 94 46 72 3 - 215
10 feet 0 - - - - 0 8 2 1 - - 10 622 862 950 59 2 2,494
11 feet 9 - - 1 - 10 12 32 1 0 - 45 1,280 2,183 2,209 102 2 5,775
12 feet 22 29 24 11 7 92 160 123 29 15 1 328 5,011 8,218 7,786 570 16 21,600
Greater than 12 feet 8 0 1 1 - 9 19 12 6 0 - 37 793 1,198 655 35 0 2,682
Total Undivided 39 29 25 12 7 112 199 170 37 16 1 422 7,837 12,565 11,731 769 20 32,921
Divided: 2/
No access control:		 Less than 9 feet - - - - - - - - - - - - 1 13 50 10 - 74
9 feet - - - - - - - 0 - - - 0 13 9 15 2 1 40
10 feet 2 7 - - - 10 0 3 - 0 1 4 72 180 301 146 44 744
11 feet - 1 - - - 1 1 8 8 - - 17 155 427 1,664 889 103 3,237
12 feet 11 2 - - - 13 120 103 56 31 17 326 682 2,637 7,289 2,432 364 13,404
Greater than 12 feet 7 0 - - - 7 8 7 0 - - 15 145 337 679 120 22 1,303
Subtotal 20 11 - - - 31 129 120 64 31 17 361 1,068 3,603 9,997 3,601 534 18,803
Divided: 2/
Partial access control:		 Less than 9 feet - 2 - - - 2 1 - - - - 1 - - - - - -
9 feet - - - - - - - - - - - - 1 2 5 0 - 8
10 feet - 26 - - - 26 11 1 7 2 - 21 64 26 71 36 2 199
11 feet 3 - - - - 3 13 23 31 5 22 94 51 116 322 89 13 591
12 feet 29 10 5 - - 44 299 649 359 108 9 1,424 591 1,139 2,202 700 99 4,732
Greater than 12 feet 13 5 - - - 19 15 27 8 2 - 51 30 56 168 44 0 298
Subtotal 45 43 5 - - 94 339 701 405 116 31 1,592 736 1,339 2,768 869 115 5,827
Divided: 2/
Full access control:		 Less than 9 feet 11 - 2 - - 12 1 9 7 9 3 29 - - - - - -
9 feet 1 15 24 5 2 46 0 1 - 0 48 50 1 - 0 - - 1
10 feet 11 96 30 8 8 152 10 13 20 0 - 43 0 1 12 - - 13
11 feet 230 238 135 61 161 824 74 60 44 42 168 387 5 5 15 5 2 31
12 feet 2,578 6,229 4,735 2,004 1,263 16,809 757 2,021 2,226 2,014 1,551 8,568 68 217 425 89 41 840
Greater than 12 feet 67 122 22 28 17 256 27 49 37 22 48 183 5 4 5 0 4 18
Subtotal 2,898 6,699 4,947 2,105 1,450 18,100 869 2,153 2,333 2,087 1,819 9,262 78 227 456 94 47 903
Total Divided 2,963 6,753 4,953 2,105 1,450 18,225 1,337 2,974 2,802 2,235 1,867 11,216 1,882 5,170 13,221 4,564 696 25,532
Total 3,002 6,782 4,977 2,117 1,457 18,336 1,536 3,144 2,839 2,250 1,868 11,638 9,719 17,735 24,952 5,333 715 58,453

JANUARY 2024

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 151 121 89 92 46 15 514 669 620 177 103 36 37 1,642 360 126 41 36 27 18 609
9 feet 325 400 248 393 231 29 1,628 1,657 1,958 781 356 184 11 4,947 574 490 89 44 13 2 1,212
10 feet 892 2,240 1,960 3,671 2,305 428 11,495 5,342 8,352 3,703 3,447 807 82 21,732 1,585 1,703 563 241 26 7 4,125
11 feet 448 2,556 2,349 5,517 3,558 784 15,212 2,968 6,795 4,496 4,118 915 95 19,387 1,099 1,085 454 391 50 11 3,090
12 feet 1,148 4,909 5,736 14,710 12,092 2,464 41,060 5,292 11,695 8,894 9,655 3,706 598 39,840 2,552 3,181 1,091 616 148 13 7,601
Greater than 12 feet 435 1,740 1,529 4,435 2,223 331 10,692 2,209 3,937 3,485 2,435 471 29 12,566 446 706 401 117 15 10 1,695
Total Undivided 3,398 11,966 11,911 28,818 20,456 4,051 80,600 18,137 33,357 21,535 20,114 6,120 851 100,115 6,617 7,290 2,639 1,445 280 60 18,331
Divided: 2/
No access control:		 Less than 9 feet 0 0 - 33 7 1 41 20 18 2 8 14 3 65 - 0 - - 1 - 1
9 feet 1 1 2 21 60 2 88 4 3 6 13 14 5 44 0 1 0 1 - 0 3
10 feet 7 34 39 208 456 535 1,280 39 196 92 255 123 31 735 1 17 11 34 19 2 84
11 feet 4 54 58 423 802 870 2,211 38 101 130 295 482 138 1,184 4 25 16 56 35 20 155
12 feet 52 130 226 1,637 2,994 2,315 7,355 68 566 403 1,191 862 213 3,303 48 351 181 219 142 27 968
Greater than 12 feet 10 63 84 453 622 379 1,610 58 187 178 253 113 38 826 6 26 14 35 2 - 83
Subtotal 73 282 410 2,776 4,940 4,102 12,585 226 1,070 811 2,014 1,608 428 6,157 60 420 223 344 199 49 1,295
Divided: 2/
Partial access control:		 Less than 9 feet - - - 1 5 3 9 - - - - - - - - - - - - - -
9 feet - 0 - - - - 0 - - - - - - - 0 - - - - - 0
10 feet 0 4 1 28 102 15 150 2 - 0 1 - - 3 0 - 0 0 - - 0
11 feet 1 0 3 13 30 24 70 3 17 0 3 - 0 24 - 0 - 2 0 - 3
12 feet 14 27 55 179 401 149 826 2 19 14 33 30 2 100 0 1 6 21 - - 28
Greater than 12 feet 1 0 5 10 22 3 40 - 1 0 2 2 0 5 2 0 - 0 0 - 2
Subtotal 16 32 63 231 559 194 1,096 7 37 15 39 32 2 132 2 1 6 24 0 - 33
Divided: 2/
Full access control:		 Less than 9 feet - - - - - 0 0 - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - - - - - - - - -
10 feet - - - - - - - - - - - 0 - 0 - - - - - - -
11 feet - - - 1 3 0 4 - - - - - - - - - - - - - -
12 feet 3 2 1 89 30 8 131 - - 1 2 0 4 6 - - - - 2 - 2
Greater than 12 feet - 1 - - 3 0 5 1 - - - - 1 1 - - - - - - -
Subtotal 3 3 1 90 35 9 140 1 - 1 2 1 4 8 - - - - 2 - 2
Total Divided 92 317 474 3,097 5,535 4,306 13,821 234 1,107 826 2,055 1,641 435 6,298 62 421 229 368 201 49 1,330
Total 3,490 12,282 12,385 31,915 25,991 8,357 94,421 18,371 34,464 22,362 22,169 7,761 1,286 106,413 6,679 7,711 2,868 1,812 481 109 19,661

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 March 7, 2024
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