U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
August 23, 2018
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 | 29,206 | - | 29,206 | - | 29,206 | 29,206 | |
Other Freeways and Expressways | - | 6,570 | 6,570 | 19 | 6,589 | 6,589 | |
Other | - | 87,179 | 87,179 | 2,633 | 89,812 | 89,812 | |
Subtotal | 29,206 | 93,750 | 122,956 | 2,652 | 125,608 | 125,608 | |
Minor Arterial | - | 2,709 | 2,709 | 131,592 | 134,301 | 134,301 | |
Major Collector | - | 494 | 494 | 407,655 | 408,148 | 408,148 | |
Minor Collector | - | 3 | 3 | - | 3 | 261,563 | 261,566 |
Local | - | 22 | 22 | - | 22 | 2,019,050 | 2,019,072 |
Total Rural | 29,206 | 96,978 | 126,184 | 541,898 | 668,082 | 2,280,613 | 2,948,696 |
Small Urban: | |||||||
Principal Arterial: | |||||||
Interstate | 2,806 | - | 2,806 | - | 2,806 | 2,806 | |
Other Freeways and Expressways | - | 1,380 | 1,380 | 49 | 1,429 | 1,429 | |
Other | - | 11,703 | 11,703 | 1,584 | 13,288 | 13,288 | |
Subtotal | 2,806 | 13,083 | 15,889 | 1,633 | 17,523 | 17,523 | |
Minor Arterial | - | 481 | 481 | 20,538 | 21,019 | 21,019 | |
Major Collector | - | 46 | 46 | 28,325 | 28,371 | 28,371 | |
Minor Collector | - | 9 | 9 | 4,856 | 4,865 | 4,865 | |
Local | - | 16 | 16 | - | 16 | 151,935 | 151,950 |
Total Small Urban | 2,806 | 13,635 | 16,441 | 55,352 | 71,792 | 151,935 | 223,727 |
Urbanized: | |||||||
Principal Arterial: | |||||||
Interstate | 16,544 | - | 16,544 | - | 16,544 | 16,544 | |
Other Freeways and Expressways | - | 10,675 | 10,675 | 104 | 10,779 | 10,779 | |
Other | - | 48,466 | 48,466 | 4,957 | 53,423 | 53,423 | |
Subtotal | 16,544 | 59,141 | 75,685 | 5,060 | 80,746 | 80,746 | |
Minor Arterial | - | 1,494 | 1,494 | 90,997 | 92,491 | 92,491 | |
Major Collector | - | 399 | 399 | 101,464 | 101,863 | 101,863 | |
Minor Collector | - | 33 | 33 | 12,733 | 12,766 | 12,766 | |
Local | - | 109 | 109 | - | 109 | 723,310 | 723,419 |
Total Urbanized | 16,544 | 61,177 | 77,720 | 210,254 | 287,974 | 723,310 | 1,011,285 |
Total Urban: | |||||||
Principal Arterial: | |||||||
Interstate | 19,350 | - | 19,350 | - | 19,350 | 19,350 | |
Other Freeways And Expressways | - | 12,055 | 12,055 | 153 | 12,208 | 12,208 | |
Other | - | 60,170 | 60,170 | 6,541 | 66,711 | 66,711 | |
Subtotal | 19,350 | 72,225 | 91,574 | 6,694 | 98,268 | 98,268 | |
Minor Arterial | - | 1,975 | 1,975 | 111,534 | 113,510 | 113,510 | |
Major Collector | - | 445 | 445 | 129,789 | 130,234 | 130,234 | |
Minor Collector | - | 42 | 42 | 17,589 | 17,631 | 17,631 | |
Local | - | 124 | 124 | - | 124 | 875,245 | 875,369 |
Total Urban | 19,350 | 74,811 | 94,161 | 265,606 | 359,767 | 875,245 | 1,235,012 |
Total Rural and Urban | 48,556 | 171,789 | 220,345 | 807,504 | 1,027,849 | 3,155,858 | 4,183,707 |
(1) Includes the 50 States, Puerto Rico (data may not be complete), and the District of Columbia.