This online open house was live October 2024 - August 2026 and is now closed. Visit the project page for the most up to date information.
Information contained in this open house may no longer be correct, it could have changed as it progressed through the design and construction process.
I-5 Aurora-Donald Interchange – Building the Diverging Diamond
Thank you for joining us!

We started construction on this multiyear project in 2024 and estimate completing in 2027.
In this online open house you can learn:
- About the improvements we're making as part of Phase 2.
- What you can expect during construction.
- What detours and impacts you may experience.
- How to drive through the diverging diamond interchange.
- How you can stay connected.