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Mountain Passes—Southwest Idaho
Map of Southwest Idaho Between Oak Street (Shelley) and Heyrend Way (near Idaho Falls). Road construction work is in progress. There is work on the shoulder. Reduce your speed. Speed limit 45 MPH. From 8:00AM MST to 6:00PM MST on weekdays. Between US 20 and Exit 38: I-84B Nampa; Garrity Blvd (near Nampa). Road construction work is in progress. The roadway is reduced to one lane. Speed restrictions are in force. There is a width limit in effect. Expect delays. The road is being repaved. There is work on the shoulder. Bridge construction work is in progress. Speed limit 55 MPH. Expect 10 - minute delays. Width limit 12'0". From 9:00PM MST to 5:00AM MST daily. Until January 28, 2021 at about 6:00AM MST. Between Thompson Creek Road (3 miles south of the Clayton area) and US 93 (20 miles north of the Clayton area). Look out for large animals on the roadway. Prepare to stop. Between Old Highway 91 and 2000 South Road; Menan Butte Road (13 to 15 miles west of the Rexburg area). Be aware of the animal crossing area. Drive with extreme caution. Between Johnson Road and McKim Creek Road (19 miles north of the Challis area). There is danger of a rock fall. Drive with extreme caution. Between North Pollard Road and North Fox Run Avenue (3 miles west of the Eagle area). Road construction work is in progress. There is work on the shoulder. The roadway is reduced to one lane. Until tomorrow at about 11:59PM MST. Between Redfish Lake Road (Stanley) and US 93 (20 miles north of the Clayton area). There is danger of a rock fall. Drive with extreme caution. Between ID 21 (Stanley) and Squaw Creek Road (5 miles south of the Clayton area). Look out for large animals on the roadway. Between 1500 East Road (3 miles west of the Gooding area) and 1875 East Road (near Gooding). Road construction work is in progress. There is work on the shoulder. Traffic is stop and go. Speed limit 35 MPH. Width limit 14'0". Until December 18, 2020 at about 5:00PM MST. Between Shelly Lane and ID 55 (1 to 2 miles west of the Horseshoe Bend area). There's been a rock fall. Between ID 55 (Eagle) and US 20; Glenwood Street (Garden City). Look out for rush hour traffic. Between US 20 (Arco) and Hammond Lane (near Challis). Look out for large animals on the roadway. Between Eleventh Avenue North Extension (5 miles east of the Caldwell area) and North Fox Run Avenue (near Eagle). Look out for rush hour traffic. Between I-84 and the end of I-184 (Boise). Look out for rush hour traffic. Between Cloverdale Road - Joplin Road and Eighth Street (Boise). Look out for rush hour traffic. Between I-84 (Meridian) and US 20 (Boise). Look out for rush hour traffic. Between Exit 28: 10th Street (Caldwell) and Exit 35: Northside Boulevard (Nampa). Look out for rush hour traffic. Between Exit 36 (Nampa) and Exit 44 (near Meridian). Look out for rush hour traffic.
ID 21: Highland Valley
ID 55: Horseshoe Bend Hill
ID 21: Mores Creek
ID 21: Beaver Creek
ID 75: Galena
US 20: Cat Creek
I-15: Malad
US 93: Nevada Line Pass
US 93: Willow Creek
I-84: Sweetzer
ID 71: Brownlee
US 95: Midvale Hill
ID 28: Gilmore
ID 38: Holbrook
ID 21: Banner Creek
I-15: Monida Pass
Google Static Map Image
Mountain Pass Mountain Pass