Portal:Ultimate Interstates

These pages detail the Indyroads "Ultimate Interstate" plans for the Western Mountain and Central States

West

Primary Routes

• Corridor 9
• Corridor 11
• I-40 Extension
• I-70 Extension
• I-84 Extension

Conceptual Corridors

• Corridor 1
• Southern Oregon Corridor
• High Desert Conceptual Corridor

Auxiliary Routes

Central

Primary Routes

• I-27 Extension
• I-44 Extension
• I-57 Extension
• Corridor 69
• Corridor 76

Conceptual Corridors

• Corridor 31
• Corridor 32
• Corridor 51
• Corridor 61
• Corridor 67
• I-76 Extension
• Corridor 98
• Tri-State Corridors
• Chicago Interstate Renumbering

Auxiliary Routes

East

Primary Routes

• Interstate 26 Gap-Closure
• Corridor 73/74

Conceptual Corridors

• Corridor 101

Auxiliary Routes

South

Primary Routes

• Corridor 2
• Corridor 14

Conceptual Corridors

• Florida Supercorridor System
• Greater Atlanta Loop
• Carolina Interstate Madness

Auxiliary Routes

• Corridor 110
• Corridors 422 and 222