Length: 1,299 mi (2,091 km) | Interstates: Interstate nn (I-nn) | |
 | ||
Business Loop: Interstate nn Business Loop
(I-nn Bus.) | ||
There are 17 Interstate Highways—7 primary and 10 auxiliary—that exist entirely or partially in the U.S. state of North Carolina. As of December 31, 2013, the state had a total of 1,296 miles (2,086 km) of interstate routes and 70 miles (110 km) of interstate business routes, all maintained by the North Carolina Department of Transportation (NCDOT).
References
List of Interstate Highways in North Carolina Wikipedia(Text) CC BY-SA