The alternatives discussion is the heart of the environmental process. The alternatives analysis is conducted to ensure that alternatives that address the purpose and need of the project, which might enhance environmental quality or have a less detrimental effect, have not been prematurely dismissed from consideration.

Tier 1 EIS
The following alternatives were evaluated in the Tier 1 EIS:

• No Action Alternative
• Alternative Modes of Transportation
• Advanced Technology
• Improvements at Existing Airports in the greater Chicago region
• Use of other Airports
• Implementation of the Chicago Terminal Airspace Project
• Demand Management Alternatives and Operational Controls
• Site Location Alternates

Go to Tier 1 EIS

Tier 2 EIS
At a minimum, the following alternatives will be evaluated in the Tier 2 EIS:

• No Action Alternative
• Sponsor's Proposed Action Alternative
• Alternative Inaugural Airport Development at SSA
• Use of Other Existing Airports
• Alternative Modes of Transportation
• Demand Management Alternatives

Go to Tier 2 EIS