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State Highway 21 remains closed due to high avalanche risk

SH-21 is closed from Grandjean to Banner Summit
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BOISE COUNTY, Idaho — The Idaho Transportation Department closed State Highway 21 from Grandjean to Banner Summit at 5 p.m. on Friday, Jan. 31 due to rising avalanche risk.

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Motorists needing to use the roadway will have to use an alternate route. There is no estimated timeline for when the highway will reopen, but ITD says crews are actively clearing roadways.

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We will continue to update this story as more information becomes available.