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SPUI: Single-Point Urban Interchange

Traffic is projected to exceed the capacity of the existing I-90, US-95 Interchange by 2030.

Benefits

  • Improves mobility and increases capacity by 25% more than traditional interchanges

  • Maintains successful operations beyond 2045

  • Reduces delays by allowing all left-turn movements to be controlled by a single signal

  • Decreases potential for crashes

Single-point urban interchange.

Click the image to expand and view in more detail

This is the same interchange type located at US-95 and SH-53 north of Hayden.

Click the arrows to see the difference between the existing conditions and the proposed design. You can also click the images to view them larger.

I-90 & US-95

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