# List of Interstate Highways in North Carolina

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, 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).

## 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-26 at the South Carolina state line | 01966-01-011966 | 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 | 01958-01-011958 | current | |
| I-42 | 31.5 | 50.7 | I-40/NC 540 near Garner | US 70 in La Grange | 02024-01-012024 | 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 | 01997-01-011997 | 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 | US 74/NC 41 near Lumberton | 01997-01-011997 | 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 | 01965-01-011965 | current | |
| I-85 | 231.23 | 372.13 | I-85 at the South Carolina state line | I-85 at the Virginia state line | 01958-01-011958 | current | |
| I-87 | 12.6 | 20.3 | I-40/US 64 in Raleigh | US 64/US 264 in Wendell | 02017-01-012017 | 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 | 01958-01-011958 | 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 | 02008-01-012008 | current | |
| I-240 | 9.14 | 14.71 | I-26/I-40/US 74 in Asheville | I-40/US 74A in Asheville | 01980-01-011980 | 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 | 01981-01-011981 | 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 | 02018-01-012018 | current | Ground mounted signs November 2018 along US 52 |
| I-295 | 22.00 | 35.41 | US 401 in Fayetteville | I-95/US 13 in Eastover | 02019-01-012019 | current | Eventually to extend to I-95 near Parkton by 2026 |
| I-440 | 16.40 | 26.39 | I-40/US 1/US 64 in Raleigh | I-40/US 64 in Raleigh | 01991-01-011991 | current | |
| I-485 | 67.60 | 108.79 | Charlotte | Charlotte | 01988-01-011988 | current | |
| I-495 | 4.09 | 6.58 | I-440/US 64/US 64 Bus. in Raleigh | I-540/US 64/US 264 in Knightdale | 02013-01-012013 | 02017-01-012017 | 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 | 01997-01-011997 | 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 | 02022-01-012022 | 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 | 02013-01-012013 | 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 | 02007-01-012007 | 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 | 02011-01-012011 | current | Northern half of Greensboro Urban Loop |
| I-885 | 8.40 | 13.52 | I-40 in RTP | I-85 in Durham | 02022-01-012022 | current |
| Former Proposed and unbuilt ||||||||

## 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 | 01992-01-011992 | 02020-01-012020 | 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 | — | 01991-01-011991 | 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 | 01984-01-011984 | 02019-01-012019 | Was an Expressway-grade business loop |
| I-95 BL | 16.00 | 25.75 | I-95 in Hope Mills | I-95 in Eastover | 01978-01-011978 | current | Boulevard-grade business loop |
| I-95 BL | 44.60 | 71.78 | I-95/US 301 in Kenly | I-95 near Battleboro | 01978-01-011978 | 01986-01-011986 | Was a boulevard-grade business loop |
| Former ||||||||