| Interstate Highways of North Carolina | |
|---|---|
Highway shields for I-40, I-485, and I-95 Bus. Loop | |
 Interstate Highways highlighted in red; future sections in blue; unbuilt sections in orange; related state highways in purple | |
| System information | |
| Maintained by NCDOT | |
| Length | 1,410 mi[1] (2,270 km) |
| Highway names | |
| Interstates | Interstate XX (I-XX) |
| Business Loop | Interstate XX Business Loop (I-XX Bus.) |
| System links | |
There are 21 Interstate Highways—8 primary and 13 auxiliary—that exist entirely or partially in the U.S. state of North Carolina. As of January 2020[update], the state had a total of 1,410 miles (2,270 km) of Interstates and 70 miles (110 km) of Interstate business routes, all maintained by the North Carolina Department of Transportation (NCDOT).[1][2]
- ^ a b "2019 Highway and Road Mileage" (PDF). Connect NCDOT. North Carolina Department of Transportation. June 2020. Retrieved May 15, 2022.
- ^ Price, Jeff (May 6, 2019). "Table 3: Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico". Route Log and Finder List. Federal Highway Administration. Retrieved March 13, 2021.