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I-90: Wallace to Mullan

Resurfacing five miles of the interstate will fix the deteriorating driving surface.

Ramps at the primary interchanges will be upgraded, and metal guardrail will be replaced.

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Rockfall mitigation at MP 67

Two separate rockfall events in 2020 prompted the investigation of the cliff face at MP 67. Although the slope is not unstable, it does act as a chute where rocks gain energy as they come down.

To protect drivers from future falling debris, ITD will update the damaged guardrail, replace the short fence on top of that rail with a taller fence and build a new barrier behind the guardrail.

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I-90 Wallace to Mullan

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