A section of Idaho Highway 21 is closed following an avalanche Sunday that caused slides up to 40 feet deep. The Idaho ...

Find out more at the department’s detour map.) Phase 2 of the Idaho Transportation’s Highway 16 extension project will extend the highway from U.S. 20/26 (Chinden Boulevard) to Interstate 84.

A gigantic avalanche took place to cause a highway in the Gem State to close, and it remains closed as of this writing.