U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
September 18, 2017
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 | 29,133 | - | 29,133 | - | 29,133 | - | 29,133 |
Other Freeways and Expressways | - | 6,346 | 6,346 | 33 | 6,378 | - | 6,378 |
Other | - | 87,122 | 87,122 | 2,606 | 89,728 | - | 89,728 |
Subtotal | 29,133 | 93,468 | 122,601 | 2,638 | 125,239 | - | 125,239 |
Minor Arterial | - | 2,642 | 2,642 | 131,167 | 133,809 | - | 133,809 |
Major Collector | - | 789 | 789 | 406,861 | 407,650 | - | 407,650 |
Minor Collector | - | 6 | 6 | - | 6 | 258,471 | 258,477 |
Local | - | 18 | 18 | - | 18 | 2,002,860 | 2,002,878 |
Total Rural | 29,133 | 96,922 | 126,055 | 540,667 | 666,722 | 2,261,332 | 2,928,054 |
Small Urban: | |||||||
Principal Arterial: | |||||||
Interstate | 2,810 | - | 2,810 | - | 2,810 | - | 2,810 |
Other Freeways and Expressways | - | 1,403 | 1,403 | 36 | 1,439 | - | 1,439 |
Other | - | 12,077 | 12,077 | 1,244 | 13,322 | - | 13,322 |
Subtotal | 2,810 | 13,480 | 16,290 | 1,280 | 17,571 | - | 17,571 |
Minor Arterial | - | 834 | 834 | 20,219 | 21,053 | - | 21,053 |
Major Collector | - | 80 | 80 | 28,309 | 28,389 | - | 28,389 |
Minor Collector | - | 10 | 10 | 4,756 | 4,766 | - | 4,766 |
Local | - | 16 | 16 | - | 16 | 150,431 | 150,448 |
Total Small Urban | 2,810 | 14,420 | 17,229 | 54,565 | 71,794 | 150,431 | 222,226 |
Urbanized: | |||||||
Principal Arterial: | |||||||
Interstate | 16,249 | - | 16,249 | - | 16,249 | - | 16,249 |
Other Freeways and Expressways | - | 10,681 | 10,681 | 135 | 10,815 | - | 10,815 |
Other | - | 49,168 | 49,168 | 3,648 | 52,816 | - | 52,816 |
Subtotal | 16,249 | 59,848 | 76,097 | 3,783 | 79,880 | - | 79,880 |
Minor Arterial | - | 1,944 | 1,944 | 89,388 | 91,332 | - | 91,332 |
Major Collector | - | 448 | 448 | 100,336 | 100,784 | - | 100,784 |
Minor Collector | - | 37 | 37 | 12,158 | 12,195 | - | 12,195 |
Local | - | 108 | 108 | - | 108 | 705,529 | 705,638 |
Total Urbanized | 16,249 | 62,385 | 78,634 | 205,665 | 284,299 | 705,529 | 989,829 |
Total Urban: | |||||||
Principal Arterial: | |||||||
Interstate | 19,058 | - | 19,058 | - | 19,058 | - | 19,058 |
Other Freeways And Expressways | - | 12,084 | 12,084 | 171 | 12,255 | - | 12,255 |
Other | - | 61,245 | 61,245 | 4,893 | 66,137 | - | 66,137 |
Subtotal | 19,058 | 73,328 | 92,387 | 5,063 | 97,450 | - | 97,450 |
Minor Arterial | - | 2,778 | 2,778 | 109,607 | 112,384 | - | 112,384 |
Major Collector | - | 528 | 528 | 128,646 | 129,173 | - | 129,173 |
Minor Collector | - | 46 | 46 | 16,915 | 16,961 | - | 16,961 |
Local | - | 125 | 125 | - | 125 | 855,961 | 856,085 |
Total Urban | 19,058 | 76,805 | 95,863 | 260,230 | 356,094 | 855,961 | 1,212,054 |
Total Rural and Urban | 48,192 | 173,727 | 221,919 | 800,897 | 1,022,815 | 3,117,293 | 4,140,108 |
(1) Includes the 50 States, and the District of Columbia.