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Mountain Passes—Statewide
Map of Statewide Between Exit 29: US 20; Franklin Road and Exit 38: I-84B; Garrity Blvd (near Nampa). Road construction work is in progress. The roadway is reduced to one lane. From 10:00PM MDT to 6:00AM MDT daily. Until January 28, 2021 at about 6:00AM MDT. 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 Thompson Creek Road (5 miles south of the Clayton area) and US 93 (20 miles north of the Clayton area). There is danger of a rock fall. Drive with extreme caution. Between Elba Road (6 miles north of the Malta area) and Anderson Road (2 miles south of the Albion area). Look out for mobile maintenance operations. The roadway is reduced to one lane. Look out for flaggers. Until Thursday, at about 5:30PM MDT. Between 11th Street and Sandhollow Road (10 miles east of the Payette area). Look out for mobile maintenance operations. Between Redfish Lake Road (near Stanley) and Squaw Creek Road (5 miles south of the Clayton area). There is danger of a rock fall. Drive with extreme caution. Between Exit 13: ID 38; State Highway 38 (near Malad City) and Exit 31: ID 40; Downey Road (11 miles south of the Arimo area). Look out for mobile maintenance operations. Look out for roadside mowing. Look out for a slow moving maintenance vehicle. Until Thursday, at about 4:00PM MDT. Between Robinson Bar Road (15 miles north of the Stanley area) and Slate Creek Road (15 miles south of the Clayton area). Road construction work is in progress. The roadway is reduced to one lane. Follow the signs. Look out for flaggers. Look out for temporary traffic lights. Reduce your speed. Width limit 14'0". From 7:30AM MDT to 12:30PM MDT on Friday and from 7:30AM MDT to 5:30PM MDT on Monday, Tuesday, Wednesday and Thursday. Until October 4, 2019 at about 5:30PM MDT. Between The Menan-Lorenzo Highway and 6800 South Road (3 miles east of the Rigby area). Bridge maintenance work is in progress. The roadway is reduced to one lane. There is a width limit in effect. Speed restrictions are in force. Width limit 16'0". Speed limit 50 MPH. Until September 18, 2019 at about 8:00PM MDT. Between Seafoam Road and Iron Creek Road (9 to 16 miles south of the Stanley area). The road is open to traffic. Look out for a brush fire. Expect delays. A pilot car is in operation. Between Redfish Lake Road (near Stanley) and Squaw Creek Road (5 miles south of the Clayton area). Look out for large animals on the roadway. Between North River Road and 2050 North Road (1 to 4 miles east of the Ashton area). Look out for construction work. Speed limit 25 MPH. Width limit 12'0". From 7:00AM MDT to 7:00PM MDT on weekdays. Until September 19, 2019 at about 6:00PM MDT. Between US 26 (19 miles east of the Butte City area) and The Old Butte Highway (near Idaho Falls). Look out for a brush fire. Local drivers are recommended to avoid the area. Consider using an alternate route. Between US 20 (5 miles west of the Atomic City area) and West Collins Siding Road (near Blackfoot). Look out for a brush fire. Local drivers are recommended to avoid the area. Consider using an alternate route. Drive with extreme caution. Between US 26 and Old Highway 93 (11 miles north of the Shoshone area). Look out for a brush fire. Visibility is reduced. Drive with extreme caution. Between ID 75; North Rail Street West (Shoshone) and North 1050 East Road (near Richfield). Look out for a brush fire. Visibility is reduced. Drive with extreme caution.
ID 21: Banner Creek
ID 28: Gilmore
ID 21: Highland Valley
US 93: Lost Trail Pass
I-90: Fourth of July Pass
ID 38: Holbrook
ID 36: Emigration Pass
US 95: White Bird Hill
US 93: Nevada Line Pass
ID 87: Reynolds Pass
US 20: Targee Pass
ID 75: Galena
US 89: Geneva
I-15: Monida Pass
ID 21: Mores Creek
ID 21: Beaver Creek
ID 71: Brownlee
ID 29: Bannock Pass
US 95: Midvale Hill
US 30: Georgetown
US 12: Lolo Pass
ID 55: Horseshoe Bend Hill
ID 33: Teton Pass
I-90: Lookout Pass
US 30: Border
ID 31: Pine Creek Pass
US 30: Fish Creek
I-15: Malad
US 20: Cat Creek
I-84: Sweetzer
US 95: Lewiston Hill
US 93: Willow Creek
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Mountain Pass Mountain Pass