41st Street Diverging Diamond Interchange

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


Video Library

How to Navigate a DDI


Renderings of the Project


July 29, 2022 flyover of 41st Street


July 8, 2022 Flyover of 41st Street


June 17, 2022 Flyover of 41st Street


June 17, 2022 Flyover of Marion Road


June 8, 2022 Drone Flyover Video


Media Resources

Press Releases

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

News Articles

Social Media

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

City of Sioux Falls

South Dakota DOT