41st Street Diverging Diamond Interchange

South Dakota Department of Transportation City of Sioux Falls Skip to main content

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Submit comments and questions to the project team using this form or call our hotline at: 605-884-7189.



Work Zone Awareness 2023

How to Navigate a DDI


41st Street Flyover Animation


Nov. 22, 2023: flyover of 41st Street


Oct. 30, 2023 flyover of Shirley Avenue


Oct. 16, 2023 flyover of 41st Street


Sept. 30, 2023 flyover of 41st Street


Sept. 22, 2023 flyover of 41st Street


Sept. 8, 2023 flyover of 41st Street


Media Resources

Media Kit

Download a copy of our Media Kit to quickly understand the project and resources that will be helpful in communicating milestones, timelines, and traffic impacts to the public. The Media Kit outlines contact information for public and media inquiries.

For media inquiries, please email Brenda.Levos@hdrinc.com
Telephone: 701-353-6120

Social Media

All shared posts will utilize the hashtags #41stDDI #SiouxFalls #SDDOT #SD511.

City of Sioux Falls

South Dakota DOT