Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
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 Old Highway 93 (17 miles south of the Bellevue area) and US 93 (20 miles north of the Clayton area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Old Highway 93 (17 miles south of the Bellevue area) and US 93 (20 miles north of the Clayton area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Exit 150: Hamer Road (6 miles south of the Dubois area) and The Montana State Line (11 miles north of the Spencer area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Challis Avenue; Sunset Street (Arco) and Spur 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 ID 45 and ID 167 (6 to 9 miles west of the Grand View area). Look out for potholes. Drive with extreme caution. Between US 20 and Montana State Line (3 miles north of the Island Park area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between US 26 (Arco) and Pahsimeroi Road (15 miles north of the Challis area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between the start of ID 32 (near Tetonia) and ID 47 (near Ashton). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between 2800 South Road and Shoe String Road (1 to 2 miles north of the Wendell area). Look out for a herd of animals on the roadway. Watch for deer on the roadway. Between Exit 150: Hamer Road (Dubois) and The Montana State Line (11 miles north of the Spencer area). The road is closed. Look out for drifting snow on the roadway. Visibility is reduced. Between Grandjean Road (23 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Warm Springs Creek Airport Road and Seafoam Road (17 to 35 miles south of the Stanley area). The road is closed. There is risk of an avalanche. Between County Line Road; Camp Creek Road (12 miles east of the Fairfield area) and Cutoff Road (5 miles west of the Carey area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Blizzard Mountain Road (13 miles west of the Arco area) and The Truck Scale Port of Entry (near Butte City). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Wadsworth Road Road and The Lemhi - Clark County Line (12 to 36 miles north of the Mud Lake area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between The North Fork Teton River Bridge (near Sugar City) and The Montana State Line (3 miles east of the Island Park area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between ID 21 (1 mile north of the Stanley area) and Squaw Creek Road (6 miles south of the Clayton area). The road is closed. There is danger of an avalanche. Between ID 33 (39 miles west of the Dubois area) and I-15 (Dubois). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between 900 North Road and South 2700 East Road (17 miles east of the Minidoka area). Look out for a surface water hazard. 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 US 20 (Arco) and 5850 West Road (15 miles north of the Mackay area). Look out for loose gravel on the roadway. Speed restrictions are in force. Expect delays. Between Main Street; Juniper Street and East 4600 North Road (3 miles north of the Buhl area). Look out for storm damage. Be aware of narrow lanes. There is a width limit in effect. Width limit 11'0". Between Minidoka Dam Road (near Acequia) and 800 North Road (2 miles west of the Minidoka area). The roadway is reduced to one lane. Observe the signals. Between US 20 (Ashton) and 4350 East Road; 1900 North Road (2 miles north of the Warm River area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Riverside Road and Johnstone Road (near Homedale). Bridge construction work is in progress. The roadway is reduced to one lane. Observe the signals. Expect delays. There is a width limit in effect. Speed restrictions are in force. Expect 10 - minute delays. Width limit 12'0". Speed limit 25 MPH. Until July 14, 2017 at about 7:00PM MST. Between Eight Mile Canyon Road and 3600 North Road (23 to 33 miles west of the Mud Lake area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Pine Creek Pass (4 miles west of the Victor area) and ID 33 (Victor). A Winter Storm Warning is in effect. Until today at about 5:00PM MST. Between Canyon Creek Road (9 miles east of the Newdale area) and the end of ID 33 (18 miles east of the Victor area). A Winter Storm Warning is in effect. Until today at about 5:00PM MST.
ID 31: Pine Creek Pass
US 95: Lewiston Hill Summit
ID 36: Emigration Pass
ID 87: Reynolds Pass
US 93: Willow Creek Summit
US 95: White Bird Hill Summit
US 89: Geneva Summit
ID 55: Horseshoe Bend Hill Summit
I-15: Malad Summit
ID 21: Beaver Creek Summit
I-15: Monida Pass
US 12: Lolo Pass
ID 28: Gilmore Summit
ID 21: Banner Creek Summit
ID 29: Bannock Pass
US 30: Border Summit
US 93: Lost Trail Pass
ID 38: Holbrook Summit
ID 75: Galena Summit
US 20: Targee Pass
I-84: Sweetzer Summit
ID 21: Highland Valley Summit
I-90: Lookout Pass
ID 71: Brownlee Summit
ID 33: Teton Pass
ID 21: Mores Creek Summit
US 30: Georgetown Summit
I-90: Fourth of July Pass
US 95: Midvale Hill Summit
US 93: Nevada Line Pass
US 20: Cat Creek Summit
US 30: Fish Creek Summit
Google Static Map Image
Mountain Pass Mountain Pass