Campers beware: mudslide causes closure on Highway 21
A Wednesday afternoon mudslide has blocked State Highway 21 for what could be a week-long closure, according to the Idaho Transportation Department. The highway heads northeast from Boise through ...
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Latest Highway 21 Boise Idaho News Reports
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One dead, three hospitalized in two-vehicle crash on Highway 21 near Lowman
- Idaho
- Boise
- Highway 21
- source: Bing
- 13 views
- Sep 27, 2026 08:44am
A head-on crash on State Highway 21 east of Lowman left one woman dead and sent three others to hospital Saturday afternoon, according to Idaho State Police.Tro ... Read More
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Deadly crash closes Highway 21 in Boise County
- Idaho
- Boise
- Highway 21
- source: Bing
- 20 views
- Sep 26, 2026 5:10pm
A major crash in Boise County has shut down a stretch of Highway 21 and prompted a large emergency response. Authorities are urging drivers to avoid the area. Read More
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Section of Highway 21 could remain closed for a week following mudslide
- Idaho
- Boise
- Highway 21
- source: Bing
- 33 views
- Jul 26, 2026 5:00pm
A closure for sections of Highway 21 between Grandjean and Banner Summit could last a full week due to forecasted rain. Read More
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Idaho Transportation Department Closed Down a Highway After a Landslide
- Idaho
- Boise
- ID-21
- source: Bing
- 99 views
- Aug 28, 2025 08:30am
The Idaho Transportation Department says, south Highway 21 is closed in both directions, from Grandjean to Banner Summit. Due to unsafe weather conditions, working crews have not begun clearing the ... Read More
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Woman dies in Highway 21 crash
- Idaho
- Boise
- Highway 21
- source: Bing
- 90 views
- Aug 16, 2025 12:52pm
BOISE COUNTY, Idaho - A 22-year-old Marsing woman died Friday evening when the car she was riding in crossed into oncoming traffic on State Highway 21 and collided with a pickup truck. According to ... Read More
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Man dies in hospital after veering off road, hitting light pole in Northwest Boise
- Idaho
- Boise
- Highway 21
- source: Bing
- 150 views
- Oct 28, 2024 11:29am
A Boise Police Department crash investigation showed the motorist was driving east on East State Street on Oct. 21 when he veered off the road and hit a light pole at the southeast corner of the ... Read More
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Plex Fire gives Southeast Boise Neighborhood a scare
- Idaho
- Boise
- Highway 21
- source: Bing
- 134 views
- Sep 05, 2024 7:33pm
The B.L.M. says the 350 acre fire started Wednesday, near the south canyon rim off of Highway 21, but caused more serious problems Thursday morning. Read More
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Highway 21 now open after avalanche
- Idaho
- I-90
- source: Bing
- 217 views
- Jan 16, 2024 5:16pm
BOISE COUNTY, Idaho - The Idaho Transportation Department (ITD) says that Highway 21 is now open after being closed for 90 hours between Grandjean Junction and Banner Summit. Read More
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