BOISE COUNTY, Idaho — The Idaho Transportation Department closed State Highway 21 from Grandjean to Banner Summit on Friday, Feb. 14 due to rising avalanche risk. The road has already been closed multiple times this season.
KIVI
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 is regularly reevaluating conditions.
Idaho Transportation Department
We will continue to update this story as more information becomes available.
