Portal:Ultimate Interstates
These pages detail the Indyroads "Ultimate Interstate" plans for the Western Mountain and Central States
Primary Routes
- Corridor 2
- Corridor 9
- Corridor 11
- Corridor 14
- I-27 Extension
- I-40 Extension
- I-44 Extension
- I-57 Extension
- Corridor 69
- I-70 Extension
- Corridor 76
- I-84 Extension
Conceptual Corridors
- Corridor 1
- Interstate 26 Gap-Closure
- Corridor 31
- Corridor 32
- Corridor 51
- Corridor 61
- Corridor 67
- Corridor 73/74
- I-76 Extension
- Corridor 98
- Corridor 101
- California High Desert Corridor
- Southern Oregon Corridor
- Tri-State Corridors