U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
September 30, 2020
Table HM-18
FUNCTIONAL SYSTEM | FEDERAL-AID HIGHWAYS | NON- FEDERAL-AID HIGHWAYS |
TOTAL | ||||
---|---|---|---|---|---|---|---|
NATIONAL HIGHWAY SYSTEM | OTHER | TOTAL | |||||
INTERSTATE | OTHER | TOTAL | |||||
Rural: | |||||||
Principal Arterial: | |||||||
Interstate | 29,351 | - | 29,351 | - | 29,351 | 29,351 | |
Other Freeways and Expressways | - | 6,563 | 6,563 | 17 | 6,580 | 6,580 | |
Other | - | 87,604 | 87,604 | 2,754 | 90,359 | 90,359 | |
Subtotal | 29,351 | 94,168 | 123,519 | 2,771 | 126,290 | 126,290 | |
Minor Arterial | - | 2,250 | 2,250 | 132,565 | 134,816 | 134,816 | |
Major Collector | - | 492 | 492 | 406,977 | 407,469 | 407,469 | |
Minor Collector | - | 2 | 2 | - | 2 | 256,743 | 256,746 |
Local | - | 22 | 22 | - | 22 | 2,010,619 | 2,010,641 |
Total Rural | 29,351 | 96,934 | 126,285 | 542,314 | 668,599 | 2,267,362 | 2,935,961 |
Small Urban: | |||||||
Principal Arterial: | |||||||
Interstate | 2,823 | - | 2,823 | - | 2,823 | 2,823 | |
Other Freeways and Expressways | - | 1,376 | 1,376 | 48 | 1,424 | 1,424 | |
Other | - | 11,694 | 11,694 | 1,641 | 13,335 | 13,335 | |
Subtotal | 2,823 | 13,069 | 15,893 | 1,689 | 17,582 | 17,582 | |
Minor Arterial | - | 399 | 399 | 20,542 | 20,941 | 20,941 | |
Major Collector | - | 49 | 49 | 28,362 | 28,411 | 28,411 | |
Minor Collector | - | 15 | 15 | 5,444 | 5,460 | 5,460 | |
Local | - | 15 | 15 | - | 15 | 154,608 | 154,624 |
Total Small Urban | 2,823 | 13,548 | 16,371 | 56,037 | 72,409 | 154,608 | 227,017 |
Urbanized: | |||||||
Principal Arterial: | |||||||
Interstate | 16,610 | - | 16,610 | - | 16,610 | 16,610 | |
Other Freeways and Expressways | - | 10,568 | 10,568 | 114 | 10,682 | 10,682 | |
Other | - | 48,271 | 48,271 | 5,161 | 53,432 | 53,432 | |
Subtotal | 16,610 | 58,839 | 75,449 | 5,275 | 80,724 | 80,724 | |
Minor Arterial | - | 1,479 | 1,479 | 90,751 | 92,231 | 92,231 | |
Major Collector | - | 432 | 432 | 102,522 | 102,954 | 102,954 | |
Minor Collector | - | 114 | 114 | 15,644 | 15,759 | 15,759 | |
Local | - | 108 | 108 | - | 108 | 734,730 | 734,838 |
Total Urbanized | 16,610 | 60,974 | 77,584 | 214,192 | 291,775 | 734,730 | 1,026,505 |
Total Urban: | |||||||
Principal Arterial: | |||||||
Interstate | 19,433 | - | 19,433 | - | 19,433 | 19,433 | |
Other Freeways And Expressways | - | 11,944 | 11,944 | 162 | 12,106 | 12,106 | |
Other | - | 59,965 | 59,965 | 6,802 | 66,766 | 66,766 | |
Subtotal | 19,433 | 71,909 | 91,342 | 6,964 | 98,306 | 98,306 | |
Minor Arterial | - | 1,878 | 1,878 | 111,293 | 113,171 | 113,171 | |
Major Collector | - | 481 | 481 | 130,884 | 131,365 | 131,365 | |
Minor Collector | - | 130 | 130 | 21,088 | 21,218 | 21,218 | |
Local | - | 124 | 124 | - | 124 | 889,338 | 889,462 |
Total Urban | 19,433 | 74,522 | 93,955 | 270,229 | 364,184 | 889,338 | 1,253,522 |
Total Rural and Urban | 48,785 | 171,455 | 220,240 | 812,543 | 1,032,783 | 3,156,700 | 4,189,483 |
(1) Includes the 50 States, Puerto Rico, and the District of Columbia.