North-South Routes:
| Eastern: |
I-95, I-75 and I-81 |
| Central: |
I-35 |
| Western: |
I-5 |
East-West Routes:
| Southern: |
I-10, I-40 and I-20 |
| Central: |
I-70, I-80 |
| Northern: |
I-90, I-94 |
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Estimated Average Daily Long-Haul Truck Traffic on the National Highway System in 2035
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