List of Interstate Highways in New Mexico
# List of Interstate Highways in New Mexico

## Mainline highways

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
| - | - | - | - | - | - | - | - |
| I-10 | 164.26 | 264.35 | I-10 at the Arizona state line | I-10 at the Texas state line | 01957-01-011957 | current | Replaced nearly all of US 80 |
| I-25 | 462.12 | 743.71 | I-10 at Las Cruces | I-25 at the Colorado state line | 01957-01-011957 | current | Longest interstate in New Mexico. Replaced and runs along unsigned US 85 in its entire length in the state. Also part of the CanAm Highway |
| I-40 | 373.51 | 601.11 | I-40 at the Arizona state line | I-40 at the Texas state line | 01957-01-011957 | current | Replacement of historic Route 66 |

## Business routes

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
| - | - | - | - | - | - | - | - |
| I-10 BL | 4.370 | 7.033 | I-10 in Lordsburg | I-10 in Lordsburg | — | — | |
| I-10 BL | 4.458 | 7.174 | I-10 in Deming | I-10 in Deming | — | — | |
| I-25 BL | 5.711 | 9.191 | I-25 in Williamsburg | I-25 in Truth or Consequences | — | — | Once concurrent with US 85 before it was realigned to I-25. |
| I-25 BL | 2.879 | 4.633 | I-25 in Socorro | I-25 in Socorro | — | — | |
| I-25 BL | 6.645 | 10.694 | I-25 in Belen | I-25 in Belen | — | — | |
| I-25 BL | 9.370 | 15.080 | I-25 in Santa Fe | I-25 in Santa Fe | — | — | |
| I-25 BL | 4.240 | 6.824 | I-25 in Las Vegas | I-25 in Las Vegas | — | — | Runs concurrent with unsigned US 85 in its entire length. Part of CanAm Highway |
| I-25 BL | 3.430 | 5.520 | I-25 near Springer | I-25 near Springer | — | — | Unsigned. Some maps display the route's shields |
| I-25 BL | 4.161 | 6.696 | I-25 in Raton | I-25 near Raton | — | — | |
| I-40 BL | — | — | I-40 in Gallup | I-40 in Gallup | — | — | Ran along US 66 |
| I-40 BL | — | — | I-40 in Milan | I-40 in Grants | — | — | |
| I-40 BL | — | — | I-40 in Albuquerque | I-40 in Albuquerque | — | — | Ran concurrent with former US 66 |
| I-40 BL | 2.922 | 4.703 | I-40 in Moriarty | I-40 in Moriarty | — | — | Runs concurrent with former US 66 |
| I-40 BL | 4.367 | 7.028 | I-40 in Santa Rosa | I-40 in Santa Rosa | — | — | Runs concurrent with US 84 in its entire length |
| I-40 BL | 7.652 | 12.315 | I-40 in Tucumcari | I-40 in Tucumcari | — | — | Runs concurrent with former US 66 |
| Former ||||||||
