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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2019 / Table HM-59 - Highway Statistics 2019

Highway Statistics Series

Highway Statistics 2019


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Functional System Length - 2019 1/
Miles by Lane Width, Access Control and Average Daily Traffic Volume – Rural

National Summary

September 2020

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 - - - - - - - - - - - - 1 - 12 95 18 - 126
9 feet - - - - - - - - - - - - 48 42 24 155 14 4 286
10 feet 1 - - - 1 - - - 1 - - 1 167 316 318 975 177 23 1,976
11 feet 5 1 - - 5 - 36 21 6 6 7 76 813 1,612 1,808 3,983 698 78 8,993
12 feet 957 18 45 105 1,125 6 21 80 368 35 55 564 4,963 8,861 10,876 24,646 2,147 929 52,422
Greater than 12 feet 24 - - - 24 2 - - 11 - - 13 106 253 437 820 59 29 1,704
Total Undivided 986 19 45 106 1,156 7 57 101 386 41 62 655 6,097 11,085 13,475 30,673 3,113 1,064 65,507
Divided: 2/
No access control:		 Less than 9 feet - 5 - 1 6 - - - - - - - - - - 1 - - 1
9 feet - - - - - - - - - - - - - - - 4 1 - 5
10 feet - 9 4 5 17 - - - - - - - - 6 3 82 34 8 134
11 feet - - - - - - - - - - 15 15 1 28 109 611 122 215 1,086
12 feet 28 - 1 - 29 - - 24 105 44 74 248 25 143 590 7,174 2,903 2,906 13,741
Greater than 12 feet - 3 12 3 19 - - - 1 7 3 11 1 9 11 254 131 150 556
Subtotal 28 17 17 9 71 - - 24 107 51 92 273 28 186 713 8,126 3,191 3,280 15,523
Divided: 2/
Partial access control:		 Less than 9 feet - - - - - - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - - - 1 - - 1
10 feet - - - - - - - - 8 3 11 22 15 - - 149 40 45 248
11 feet - - - - - - - - 10 5 1 16 - - - 70 57 48 175
12 feet 5 2 - 110 117 - 16 97 910 440 588 2,051 3 25 205 1,886 1,168 1,235 4,522
Greater than 12 feet - - 10 4 14 - 1 5 20 22 1 48 1 23 22 175 38 26 284
Subtotal 5 2 10 114 131 - 17 101 947 471 601 2,136 19 49 226 2,280 1,303 1,353 5,230
Divided: 2/
Full access control:		 Less than 9 feet - 4 45 15 65 - - - - - - - - - - - - - -
9 feet - - - 1 1 - - - - - - - - - - - - - -
10 feet 17 93 112 130 351 - - - - - - - - - - - - 25 25
11 feet 728 866 408 287 2,288 - - - 3 21 3 28 - - - - - - -
12 feet 3,484 6,852 7,726 5,161 23,224 - - - 732 825 1,324 2,881 - 1 39 912 143 251 1,345
Greater than 12 feet 89 250 140 70 549 - - - 1 1 14 17 - - - - 9 10 20
Subtotal 4,318 8,065 8,431 5,663 26,477 - - - 736 847 1,342 2,926 - 1 39 912 152 286 1,390
Total Divided 4,351 8,085 8,458 5,786 26,680 - 17 126 1,789 1,369 2,034 5,336 47 236 978 11,318 4,646 4,919 22,143
Total 5,338 8,103 8,503 5,892 27,836 8 74 227 2,176 1,409 2,097 5,991 6,144 11,320 14,454 41,991 7,758 5,983 87,650

September 30, 2020

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 26 45 119 60 26 4 281 1,664 3,810 1,376 1,381 3 1 8,236
9 feet 338 301 197 116 15 1 967 2,984 8,467 5,455 4,057 209 2 21,173
10 feet 2,696 2,402 3,643 4,131 119 26 13,017 8,301 37,435 18,987 26,835 1,028 97 92,682
11 feet 7,892 6,074 5,338 7,104 317 82 26,807 8,252 33,305 25,414 38,392 1,694 206 107,264
12 feet 20,809 17,912 14,751 25,093 1,460 293 80,318 16,682 53,207 25,963 53,210 4,668 734 154,465
Greater than 12 feet 430 594 683 1,325 52 9 3,093 1,528 3,029 1,744 2,680 466 72 9,520
Total Undivided 32,191 27,328 24,732 37,830 1,988 415 124,483 39,411 139,253 78,940 126,555 8,069 1,113 393,341
Divided: 2/
No access control:		 Less than 9 feet - 1 - 30 - - 30 - 10 13 28 1 20 71
9 feet - - - 2 - - 2 - 5 - - - - 5
10 feet 46 1 1 27 1 - 77 - 32 14 50 10 - 105
11 feet 16 26 12 77 11 10 151 - 43 - 92 10 11 155
12 feet 8 115 441 1,106 315 242 2,227 - 22 1 50 292 64 428
Greater than 12 feet 5 91 22 20 42 24 204 14 37 14 88 1 1 154
Subtotal 75 234 476 1,262 370 275 2,691 14 147 41 308 314 95 919
Divided: 2/
Partial access control:		 Less than 9 feet - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - -
10 feet - - - - - - - - - - - 4 2 6
11 feet - - - - 39 - 39 - - - - - - -
12 feet - 109 - 263 61 30 463 - - - 23 16 14 53
Greater than 12 feet 9 8 - 43 3 - 63 - - 6 7 - - 13
Subtotal 9 117 - 305 102 30 564 - - 6 30 20 16 72
Divided: 2/
Full access control:		 Less than 9 feet - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - -
10 feet - - - - - - - - - - - - - -
11 feet - 14 - - - - 14 - - - - - - -
12 feet - - - - 31 1 31 - - - 7 6 1 14
Greater than 12 feet 9 4 1 6 2 - 23 - 2 - 20 - - 22
Subtotal 9 18 1 6 33 1 68 - 2 - 27 6 1 37
Total Divided 94 369 477 1,573 504 306 3,324 14 149 48 365 341 112 1,028
Total 32,285 27,697 25,209 39,403 2,492 721 127,807 39,425 139,402 78,988 126,920 8,410 1,225 394,369

Functional System Length - 2019 1/
Miles by Lane Width, Access Control and Average Daily Traffic Volume – Urban

National Summary

September 30, 2020

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 - 1 5 4 1 10 - - - - 2 2 39 64 56 6 1 167
9 feet 1 - - 1 - 1 - - - - - 1 39 71 91 4 - 205
10 feet 1 - - 12 - 14 11 5 1 - - 17 592 1,515 1,507 99 5 3,718
11 feet 3 - - - - 3 15 27 1 - - 44 1,265 2,011 2,211 108 8 5,603
12 feet 27 60 73 6 9 175 141 128 29 14 4 316 4,995 8,493 9,960 954 6 24,408
Greater than 12 feet 6 - - 1 - 7 16 5 2 - - 23 681 1,062 536 20 - 2,300
Total Undivided 38 61 77 23 10 210 185 165 33 15 5 403 7,612 13,217 14,361 1,191 20 36,401
Divided: 2/
No access control:		 Less than 9 feet 4 6 13 1 - 24 2 2 2 10 1 16 16 7 34 29 - 86
9 feet - - - - - - - - - - - - 2 1 66 2 - 71
10 feet 18 60 19 1 2 100 2 2 2 6 1 13 16 129 446 125 41 757
11 feet 1 1 - - - 1 - 6 2 1 - 9 81 454 1,130 815 83 2,564
12 feet 7 1 - - - 8 82 106 24 7 25 244 638 2,996 8,527 3,096 492 15,748
Greater than 12 feet 26 55 2 1 5 88 8 8 4 2 - 22 117 309 696 129 16 1,269
Subtotal 55 123 34 3 7 222 93 123 35 26 27 305 870 3,896 10,899 4,197 632 20,494
Divided: 2/
Partial access control:		 Less than 9 feet - - - - - - 1 - - - - 1 - - 46 - - 47
9 feet - - - - - - - 1 - - - 1 - - - - - -
10 feet - 9 - - - 9 4 7 2 2 - 15 13 59 109 128 14 323
11 feet - - - - - - 17 18 32 6 29 102 11 94 223 59 9 396
12 feet 40 27 31 - - 98 235 721 350 144 13 1,463 275 845 2,157 509 108 3,895
Greater than 12 feet 5 22 - - - 26 17 35 8 - - 59 37 80 138 44 1 299
Subtotal 45 57 31 - - 133 274 780 392 152 42 1,640 336 1,079 2,673 740 131 4,959
Divided: 2/
Full access control:		 Less than 9 feet 16 132 245 68 27 489 5 16 6 5 5 37 - - - - - -
9 feet - 1 18 7 - 26 - 12 - - 15 27 1 - - - - 1
10 feet 6 100 19 12 47 184 20 31 144 73 55 323 - - 7 - - 7
11 feet 234 283 84 23 34 658 37 43 40 21 57 198 2 4 9 6 1 21
12 feet 2,592 5,741 4,199 1,988 884 15,404 700 2,033 2,126 1,653 1,240 7,753 81 164 345 86 24 700
Greater than 12 feet 35 69 30 24 27 185 13 37 8 4 5 67 9 12 50 7 5 83
Subtotal 2,884 6,325 4,596 2,121 1,019 16,945 776 2,171 2,324 1,756 1,378 8,406 93 180 411 99 30 812
Total Divided 2,984 6,505 4,661 2,124 1,026 17,301 1,144 3,075 2,750 1,934 1,447 10,350 1,299 5,155 13,983 5,036 792 26,265
Total 3,022 6,566 4,739 2,147 1,036 17,511 1,328 3,240 2,783 1,949 1,452 10,753 8,911 18,371 28,344 6,227 813 62,666

September 30, 2020

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 85 157 105 146 105 10 607 782 747 448 210 37 - 2,224 261 209 42 9 8 3 532
9 feet 158 523 344 487 340 22 1,873 1,623 2,248 986 457 89 4 5,407 581 498 91 36 7 1 1,213
10 feet 535 2,487 2,411 5,186 3,996 610 15,226 4,754 9,738 4,678 4,712 1,725 47 25,653 1,443 2,118 632 369 28 4 4,594
11 feet 438 2,506 2,800 5,988 3,327 833 15,892 3,061 7,349 4,385 4,373 1,047 97 20,311 966 1,087 332 318 46 4 2,752
12 feet 823 5,529 6,220 16,676 16,037 4,043 49,329 6,818 16,256 11,391 12,928 4,633 875 52,901 2,110 2,703 981 763 189 13 6,758
Greater than 12 feet 233 1,499 1,389 3,630 2,211 350 9,312 1,725 3,798 2,863 2,451 533 20 11,390 320 800 495 131 21 4 1,771
Total Undivided 2,272 12,700 13,269 32,114 26,016 5,868 92,239 18,762 40,137 24,750 25,130 8,063 1,043 117,885 5,680 7,415 2,573 1,626 298 29 17,621
Divided: 2/
No access control:		 Less than 9 feet - - 1 38 7 64 110 35 39 21 32 15 3 146 - 5 3 - 1 - 9
9 feet - - 2 11 9 39 62 7 1 17 10 36 - 73 - 1 - - - - 2
10 feet 10 51 56 228 609 710 1,664 98 253 191 349 238 45 1,175 2 9 12 29 31 1 85
11 feet 4 30 76 394 687 669 1,859 26 96 91 368 332 121 1,034 4 11 18 39 7 25 103
12 feet 26 124 251 1,878 3,120 2,909 8,308 49 607 349 1,303 1,192 375 3,875 72 486 490 171 144 39 1,402
Greater than 12 feet 5 53 87 401 781 373 1,700 85 274 274 393 151 49 1,227 4 24 23 27 2 2 83
Subtotal 45 258 472 2,949 5,213 4,765 13,702 300 1,271 944 2,455 1,965 594 7,529 83 536 546 267 185 67 1,684
Divided: 2/
Partial access control:		 Less than 9 feet - - - - 4 5 10 - - - - - - - - - - - - - -
9 feet - - - 28 - - 28 - - - - - - - - - - - - - -
10 feet - 3 3 16 53 12 86 - 12 5 5 12 - 33 - - - - - - -
11 feet - 1 2 22 49 9 83 - 5 3 2 1 1 11 - - - 1 - - 1
12 feet 1 32 37 186 548 226 1,030 5 - 9 73 27 6 119 - 1 10 - 59 1 72
Greater than 12 feet 3 9 15 29 27 2 84 9 4 18 30 2 - 64 - - - 16 - - 16
Subtotal 3 45 57 280 680 255 1,322 14 21 34 109 41 8 226 - 1 10 17 59 1 89
Divided: 2/
Full access control:		 Less than 9 feet - - - - - - - - - - - - - - - - - - - - -
9 feet - - - - - - - - - - - - - - - - - - - - -
10 feet - - 7 1 42 14 65 2 2 - 1 5 1 11 - - - - - - -
11 feet - - - - 2 - 2 - - - - - - - - - - - - - -
12 feet 1 2 - 57 82 13 154 - - 1 1 - 1 4 - - - - - 2 2
Greater than 12 feet - 5 7 11 17 8 48 15 1 8 10 1 1 37 - - - - - - -
Subtotal 1 7 15 69 143 35 270 16 4 10 13 7 2 52 - - - - - 2 2
Total Divided 49 310 545 3,299 6,036 5,055 15,294 330 1,295 988 2,577 2,013 604 7,808 83 537 557 284 245 70 1,775
Total 2,321 13,010 13,814 35,413 32,052 10,923 107,533 19,092 41,432 25,739 27,706 10,076 1,647 125,693 5,763 7,952 3,130 1,910 543 98 19,396

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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