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ID 21
ID 21 in both directions: Road closed, avalanche danger.
Between Grandjean Road and The Custer - Boise County Line (24 to 35 miles south of the Stanley area). The road is closed. There is danger of an avalanche.

Comment: Highway is closed until further notice.
Last updated today at 6:18am MST
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Truck Restrictions on ID 21
Map of Reports on ID 21 Between Grandjean Road and The Custer - Boise County Line (24 to 35 miles south of the Stanley area). The road is closed. There is danger of an avalanche.
ID 21 in both directions: Road closed, avalanche danger.
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Closure Closure Restriction Restriction Spring Breakup Spring Breakup
Truck Ramp Truck Ramp Weigh Station Weigh Stations