A discovery of Native American artifacts during highway construction in northern Idaho has earned national recognition from America's leading transportation organization. Read More

Idaho's first wildlife overpass, built last year on State Highway 21 just east of Boise ... is a great partnering example, and the U.S. 95 McArthur Lake Bridge showcased excellent Tribal ... Read More

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There are lots of trails and campgrounds in some of the most scenic mountain country of the Sawtooth, Boise and Challis national forests along Highway 21, northwest of Stanley. The Idaho State ... Read More

Idaho's first wildlife overpass, built last year on State Highway 21 just east of Boise, has won a national award in the '?Environment & Planning'? category of the AASHTO (American Association ... Read More

A discovery of Native American artifacts during highway construction in northern Idaho has earned national recognition from America's leading transportation organization. Read More

The Idaho Department of Fish and Game closed all roads and trails on the Boise Front segment of the Boise River Wildlife Management Area west of Highway 21 and ... Read More

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The avalanche team spends the winter in Lowman monitoring conditions and the strength of the snowpack to decide when to close the highway when necessary for safety. Read More