BOISE, Idaho — A 12-mile stretch of Idaho 21 known as “avalanche alley,” between Grandjean Junction and Banner Summit, may reopen this weekend.

A huge avalanche late last month shut it down.

Idaho Transportation Department crews have been working since then to clear the snow.

RELATED: Massive avalanche blocking Idaho 21 between Lowman and Stanley

KTVB photojournalist Paul Boehlke went up there Friday to give us a closer look at that work and why the area is so challenging, and sometimes dangerous.

Watch the video to see his full report.