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Mountain Passes—Statewide
Map of Statewide Between Hoff Road and Fleetwood Drive (2 to 7 miles west of the Blackfoot area). The roadway is reduced to one lane. Road construction work is in progress. The road is being repaved. Bridge construction work is in progress. There is work on the shoulder. Expect delays. Consider using an alternate route. Speed restrictions are in force. There is a width limit in effect. Expect 15 - minute delays. Speed limit 35 MPH. Width limit 11'0". Until June 30, 2018 at about 5:30PM MST. Between Black's Bridge Road; Big Willow Road and Southeast First Avenue (9 miles east of the Payette area). Road closed to traffic due to bridge construction work. Detour in operation. Starting Monday at 12:00AM MST until May 18, 2018 at about 11:59PM MST. 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 Salmon Falls Creek Reservoir Road and 1900 North Road (6 to 16 miles south of the Hollister area). Look out for large animals on the roadway. Drive with extreme caution. Between US 20 and Reynolds Pass (3 miles north of the Island Park area). The road is closed. Look out for drifting snow on the roadway. Visibility is reduced. Between 4275 North Road and Targee Pass (3 miles east of the Island Park area). The road is closed. Look out for drifting snow on the roadway. Visibility is reduced. Between Flynn Road (near Craigmont) and Watson Street (near Culdesac). Snow chains are recommended. Drive with extreme caution. Between Challis Avenue; Sunset Street (Arco) and Spar Canyon Road (21 miles south of the Challis area). Watch for deer on the roadway. Look out for large animals on the roadway. Drive with extreme caution. 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 Elba Road (6 miles north of the Malta area) and Howell Canyon Road (5 miles south of the Albion area). Look out for mobile maintenance operations. Look out for flaggers. Short delays are possible. There is a width limit in effect. Expect 5 - minute delays. Width limit 16'0". From 8:00AM MST to 5:00PM MST on weekdays. Until March 2, 2018 at about 5:00PM MST. Between South Mill Road (Emmett) and ID 55 (Horseshoe Bend). There is danger of a rock fall. Drive with extreme caution.
US 89: Geneva Summit
US 93: Willow Creek Summit
I-90: Fourth of July Pass
US 93: Lost Trail Pass
I-90: Lookout Pass
ID 21: Mores Creek Summit
US 12: Lolo Pass
US 95: Midvale Hill Summit
ID 36: Emigration Pass
US 20: Targee Pass
US 30: Border Summit
ID 38: Holbrook Summit
ID 21: Beaver Creek Summit
ID 71: Brownlee Summit
ID 21: Banner Creek Summit
ID 29: Bannock Pass
ID 28: Gilmore Summit
US 95: Lewiston Hill Summit
US 93: Nevada Line Pass
I-15: Monida Pass
ID 31: Pine Creek Pass
I-84: Sweetzer Summit
ID 87: Reynolds Pass
ID 75: Galena Summit
ID 21: Highland Valley Summit
US 20: Cat Creek Summit
ID 33: Teton Pass
US 95: White Bird Hill Summit
ID 55: Horseshoe Bend Hill Summit
US 30: Georgetown Summit
US 30: Fish Creek Summit
I-15: Malad Summit
Google Static Map Image
Mountain Pass Mountain Pass