There are 22 Interstate Highways—9 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).
| 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 (2,270 km) |
| Highway names | |
| Interstates | Interstate XX (I-XX) |
| Business Loop | Interstate XX Business Loop (I-XX Bus.) |
| System links | |
| |
Primary Interstates
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
| I-26 | 53.67 | 86.37 | I-26/US 23 at the Tennessee state line I-40/I-240/US 74 in Asheville | US 19/US 23 near Forks of Ivy I-26 at the South Carolina state line | 1966 | current | Gap in Asheville, signed as Future I-26 | |
| I-40 | 419.40 | 674.96 | I-40 at the Tennessee state line | US 117/NC 132 in Wilmington | 1958 | current | ||
| I-42 | 31.5 | 50.7 | I-40/NC 540 near Garner US 70 in Goldsboro | US 70 Bus. near Clayton US 70 in La Grange | 2024 | current | Designation along parts of US 70 east of Raleigh, will eventually extend along US 70 to Morehead City | |
| I-73 | 76.52 | 123.15 | US 220 near Ellerbe | US 220 in Summerfield | 1997 | current | One segment currently open between Greensboro and Ellerbe; scheduled to be extended to Virginia and South Carolina borders | |
| I-74 | 69.61 | 112.03 | I-77 at the Virginia state line northwest of Pine Ridge I-40 in Winston-Salem US 74 Alt./US 74 Bus. in Maxton | US 52 in Mount Airy US 74 Bus. northwest of Hamlet US 74/NC 41 near Lumberton | 1997 | current | Three open segments in Mount Airy, Piedmont Triad and Laurinburg areas; will be continuous once completed | |
| I-77 | 102.31 | 164.65 | I-77/US 21 at the South Carolina state line | I-77 at the Virginia state line northwest of Pine Ridge | 1965 | current | ||
| I-85 | 231.23 | 372.13 | I-85 at the South Carolina state line | I-85 at the Virginia state line | 1958 | current | ||
| I-87 | 12.6 | 20.3 | I-40/US 64 in Raleigh | US 64/US 264 in Wendell | 2017 | current | Future designated along US 64 and US 17 to Norfolk, Virginia | |
| I-95 | 181.71 | 292.43 | I-95 at the South Carolina state line | I-95 at the Virginia state line | 1958 | current | ||
Auxiliary Interstates
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
| I-140 | 25.40 | 40.88 | US 17 near Winnabow | I-40/NC 140 in Murraysville | 2008 | current | ||
| I-240 | 9.14 | 14.71 | I-26/I-40/US 74 in Asheville | I-40/US 74A in Asheville | 1980 | current | ||
Future I-274 | 16.83 | 27.09 | US 158 in Winston-Salem | I-74/I-285/US 52 in Winston-Salem | proposed | — | NCDOT proposed designation along the western segment of the Winston-Salem Northern Beltway | |
| I-277 | 4.41 | 7.10 | I-77/US 21/US 74 in Charlotte | I-77/US 21/NC 16 in Charlotte | 1981 | current | ||
| I-285 | 23.00 | 37.01 | I-85/US 29/US 52/US 70 in Lexington | I-40/US 52/NC 8 in Winston-Salem | 2018 | current | Ground mounted signs November 2018 along US 52 | |
| I-295 | 33.3 | 53.6 | I-95 near Parkton | I-95/US 13 in Eastover | 2019 | current | Completed in November 2025 | |
| I-440 | 16.40 | 26.39 | I-40/US 1/US 64 in Raleigh | I-40/US 64 in Raleigh | 1991 | current | ||
| I-485 | 67.60 | 108.79 | Beltway around Charlotte | 1988 | current | |||
| I-495 | 4.09 | 6.58 | I-440/US 64/US 64 Bus. in Raleigh | I-540/US 64/US 264 in Knightdale | 2013 | 2017 | Was originally planned to continue along US 64 to Rocky Mount; replaced by I-87 | |
| I-540 | 27.30 | 43.94 | I-40/NC 540 near Durham | I-87/US 64/US 264 in Knightdale | 1997 | current | Northern (untolled) half of the Raleigh Outer Loop; partially completed (toll) southern half designated NC 540 | |
| I-587 | 37.00 | 59.55 | I-95/I-795/US 264 in Wilson | US 264 / NC 11 Bypass in Greenville | 2022 | current | Current and future designation along US 264 | |
Future I-685 | — | — | I-85/US 421 near Greensboro | I-95 near Dunn | proposed | — | Established in the Infrastructure Investment and Jobs Act, with designation approved in May 2022. | |
| I-785 | 7.00 | 11.27 | I-40/I-85 in Greensboro | US 29 in Greensboro | 2013 | current | Future designation along US 29 to Danville, Virginia | |
| I-795 | 25.40 | 40.88 | US 70 in Goldsboro | I-95/US 264 in Wilson | 2007 | current | Eventually to extend to I-40 near Faison | |
| I-840 | 21.10 | 33.96 | I-40/I-73/US 421 in Greensboro | I-40/I-85/I-785 in Greensboro | 2011 | current | Northern half of Greensboro Urban Loop | |
| I-885 | 8.40 | 13.52 | I-40 in RTP | I-85 in Durham | 2022 | current | ||
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Business routes
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
| I-40 BL | 18.50 | 29.77 | I-40/US 421 in Winston-Salem | I-40/US 421 in Colfax | 1992 | 2020 | Was a freeway-grade business loop | |
| I-40 BL | 16.40 | 26.39 | I-40/US 1/US 64 in Raleigh | I-40/US 64/US 70/US 401 in Raleigh | — | 1991 | Was a freeway-grade, unsigned, designated business loop along the northern half of the Raleigh beltway; replaced by I-440 | |
| I-85 BL | 29.80 | 47.96 | I-85/US 29/US 52/US 70 in Lexington | I-85/US 29/US 70 in Greensboro | 1984 | 2019 | Was an Expressway-grade business loop | |
| I-95 BL | 16.00 | 25.75 | I-95 in Hope Mills | I-95 in Eastover | 1978 | current | Boulevard-grade business loop | |
| I-95 BL | 44.60 | 71.78 | I-95/US 301 in Kenly | I-95 near Battleboro | 1978 | 1986 | Was a boulevard-grade business loop | |
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See also
- U.S. Roads portal
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