Project Information:

• Project Location Map
• Project Schedule
• Interchange Justification Report

NEW! Finding of No Significant Impact (FONSI)

Draft Environmental Assessment Materials:

• Notification Postcard - October 2020
• October 19, 2020 Presentation
• Figures
  • 20th Street Section
  • Interchange Alternatives
  • Intersection Phasing
  • Trail and Golf Course Impacts


• Section 4(f) Property and de minimis Impact Memo


• Environmental Assessment
• Appendix A - Agency Coordination
• Appendix B - Noise Report
• Appendix C - Wetland Delineation Report
• Appendix D - Floodplain Analysis Coordination
• Appendix E - Environmental Justification Technical Memo
• Appendix F - Public Comments
• Appendix G - Environmental Commitments

Outreach Materials:

• April 20, 2020 Video Presentation

   
• April 20, 2020 Presentation Slides
• Postcard Notification - April 2020
• Website Comments and Responses - June 9, 2020

Previous Studies:

• 2019 BUILD Grant Application
• 2018 Brookings Comprehensive Plan
• 2016 Interchange Analysis Report

SDDOT Informational Forms:

• Access Management
• Right of Way
• Individual Landowner Meetings
• Encroachments in ROW
• Environmental, Social & Economic Impacts and Advanced Utility Coordination
• Wetland Mitigation Registry Form