The closure was enacted on October 2 after a series of precipitation events caused mudslides to cover the highway and plug a ...

Mudslides have covered a section of Idaho Highway 21 near Stanley, forcing officials to close the road. The Boise County Sheriff’s Office announced at 5:45 p.m. Tuesday that multiple mudslides and ...

The Idaho Transportation Department will close State Highway 21 north of Grandjean Tuesday at 7 a.m. for two days to complete emergency repairs caused by the Au ...

The initial closure came after mudslides in the area had damaged the road, leading to ITD having to have an emergency closure to repair the pavement.

BOISE, Idaho — Two people were injured in a car crash near mile marker 19 on State Highway 21 on Aug. 26, according to Idaho State Police. Three people were inside: the 44-year-old man driving, a ...

Historian Keith Petersen has spent three and a half years of his “retirement” writing Idaho history, 100 words at a time.

BOISE, Idaho — Travelers along Idaho’s roads and scenic byways will soon see the first of the new Idaho Historic Highway Markers. The Idaho Transportation Department says the refreshed signs combine ...

BOISE — Engineering professionals gathered at the Idaho State Capitol rotunda Wednesday to reveal a wide-ranging report card assessment of the state of Idaho’s infrastructure. The state’s report was ...