LOWMAN, Idaho — State Highway 21 reopened around 3:45 p.m. Saturday between Grandjean and Banner Summit after the Idaho Transportation Department closed the stretch due to "major avalanche danger."
The section between Grandjean and Banner Summit is a stretch of about 12 miles, located between the towns of Lowman and Stanley. It is nicknamed "Avalanche Alley." The closure stretched from milepost 93.7 to milepost 105.5.
The highway was also closed Thursday evening from milepost 70, south of Lowman, to milepost 48, near Idaho City. The stretch of Idaho 21 is now open after heavy snow, high winds and avalanche danger prompted ITD to close the highway Thursday.
Monday, March 13, ITD said on Twitter that operators spent Saturday working on Highway 21 north and south of Lowman, and by Saturday afternoon had cleaned up 14 avalanches and anywhere from a foot to 21 inches of snow to reopen the highway.
Multiple highways across Idaho closed Friday as extreme winter weather moved into the area. Both lanes of US-20 closed between Mountain Home and Fairfield due to drifting snow and poor visibility.
The closure from I-84 westbound to 2nd Street West reopened around 2:20 p.m. Saturday, according to ITD.
For updates on road closures across Idaho, drivers should check Idaho 511 and ITD's Twitter account.
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