[The federally–designated routes on the National Network consist of the Interstate System, except as noted, and the following additional Federal–aid Primary highways]
| Route | From | To |
|---|
| US 56 | I–25 Springer | OK State Line. |
| US 60 | AZ State Line | I–25 Socorro. |
| US 62 | US 285 Carlsbad | TX State Line. |
| US 64 | AZ State Line | US 550 Farmington. |
| US 70 | AZ State Line | I–10 Lordsburg. |
| US 70 | I–10 Las Cruces | US 54 Tularosa. |
| US 70 | US 285 Roswell | US 84 Clovis. |
| US 80 | AZ State Line | I–10 Road Forks. |
| US 84 | TX State LineClovis | CO State Line. |
| US 87 | US 56 Clayton | TX State Line. |
| US 160 | AZ State Line (Four Corners) | CO State Line. |
| US 285 | TX State Line S. of Carlsbad | CO State Line. |
| US 550 | US 64 Farmington | CO State Line. |
| US 666 | I–40 Gallup | CO State Line. |
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