41st Street & I-29 Interchange Modification

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41st Street Study & Detailed Design Phases Project Schedule

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Thank you for visiting the South Dakota Department of Transportation's I-29 Exit 77 (41st Street) Interchange and 41st Street Corridor website. Visit again to see what is happening with the Project and how you can continue to stay involved.

Point of contact
James Unruh, PE | HDR
Phone: (605) 977-7740
Email: info@41stStudy.com

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