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Multiple sections of State Highway 21 are closed

Roads are closed due to heavy snow and avalanche risk.
Credit: Paul Boelke
File image of road closure sign along Highway 21 north of Idaho City.

IDAHO, USA — The Idaho Transportation Department has issued several road closures. 

State Highway 21 is closed from Grandjean to Banner Summit because of a high avalanche risk. The department's crew will keep checking temperature and snowpack in the area and will reopen the highway when the risk is over. ITD is advising people to take a different route and travel between the Treasure Valley and Stanley area are to go east on Interstate 84, exit in Mountain Home on Exit 95 to U.S. Highway 20 and go north on State Highway 75.

According to ITD, sixty regular avalanche paths are located in this particular 11- mile stretch of State Highway 21 and because of this people cannot park or stop in this area during the winter season. 

Idaho State Highway 21 is also closed from Idaho City to Lowman after a large amount of snow hit the area. The same highway has an additional closure between Granite Creek Road and Banks Lowman Road. It is 7 to 31 miles north of the Idaho City area and ITD is warning people to be prepared for more heavy snow.

For updates and other closures, people can go to 511.idaho.gov. If there are more closures they will be posted on ITDs Twitter account or Idaho 511.

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