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Highways with Mountain Passes
US 12 1 mountain pass
I-15 2 mountain passes
US 20 2 mountain passes
ID 21 4 mountain passes
ID 28 1 mountain pass
ID 29 1 mountain pass
US 30 3 mountain passes
ID 31 1 mountain pass
ID 33 1 mountain pass
ID 36 1 mountain pass
ID 38 1 mountain pass
ID 55 1 mountain pass
ID 71 1 mountain pass
ID 75 1 mountain pass
I-84 1 mountain pass
ID 87 1 mountain pass
US 89 1 mountain pass
I-90 2 mountain passes
US 93 3 mountain passes
US 95 3 mountain passes
Mountain Passes—Statewide
Map of Statewide Between Swan Lake Road (5 miles east of the Soda Springs area) and Georgetown Summit (3 miles west of the Georgetown area). Road construction work is in progress. The roadway is reduced to one lane. The road is being repaved. There is a width limit in effect. Speed restrictions are in force. Expect delays. Width limit 16'0". Speed limit 45 MPH. Expect 15 - minute delays. Until today at about 7:00PM MDT. Between Exit 112 (5 miles west of the Glenns Ferry area) and Exit 125: 18th East Street (near Glenns Ferry). Road construction work is in progress. The roadway is reduced to one lane. There is a width limit in effect. Speed restrictions are in force. Speed limit 70 MPH. Width limit 14'0". Until November 9, 2020 at about 11:59PM MDT. 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 First South Street and 4150 East Road (near Rigby). Major road construction work is in progress. Entire intersection. The roadway is reduced to one lane. Reduce your speed. Width limit 12'0". Speed limit 35 MPH. Expect 15 - minute delays. Until today at about 11:59PM MDT. 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 Exit 125: 18th East Street and I-84B Hammett (near Glenns Ferry). The entrance ramp is closed due to road construction work. Follow the detour signs. Width limit 14'0". Until today at about 12:00PM MDT.
ID 36: Emigration Pass
US 89: Geneva
US 95: Midvale Hill
US 93: Nevada Line Pass
US 30: Georgetown
I-90: Lookout Pass
ID 71: Brownlee
US 93: Willow Creek
ID 21: Banner Creek
ID 31: Pine Creek Pass
I-15: Monida Pass
US 30: Border
US 30: Fish Creek
ID 21: Mores Creek
I-84: Sweetzer
ID 28: Gilmore
US 95: White Bird Hill
US 20: Cat Creek
US 20: Targee Pass
I-90: Fourth of July Pass
ID 38: Holbrook
ID 29: Bannock Pass
ID 75: Galena
ID 21: Highland Valley
ID 21: Beaver Creek
US 12: Lolo Pass
US 95: Lewiston Hill
US 93: Lost Trail Pass
ID 33: Teton Pass
ID 87: Reynolds Pass
ID 55: Horseshoe Bend Hill
I-15: Malad
Google Static Map Image
Mountain Pass Mountain Pass