A stretch of highway known as 'avalanche alley' is scheduled to close Thursday night at 5 p.m. due to potential avalanche risk. On Thursday morning, Idaho Transportation Department (ITD) announced ...

Continue to check Idaho511 for the most up-to-date road conditions. ITD has closed State Highway 21 in both directions due to extreme avalanche danger. The closure spans approximately 11.8 miles ...

Resurfacing of state maintained highways inside Loop 224 is set to begin Monday with work on State Highway 21, according to the Texas Department of Transportation. Mill and inlay — grinding up ...