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 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 White Bird Hill Summit (5 miles south of the Grangeville area) and Rigger Road (1 mile north of the Ferdinand area). Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. Between ID 13 and Idaho Grade Road. Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. Between US 12 and The East Ahsahka City Limits (near Orofino). Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. Between The Start of Highway 7 (4 miles south of the Orofino area) and US 12 (near Orofino). Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. 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 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 Eberhardt Grade Road (5 miles west of the Orofino area) and Selway River Road (18 miles east of the Kooskia area). Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. 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 Black's Bridge Road; Big Willow Road and Southeast First Avenue (9 miles east of the Payette area). The road is closed to traffic due to bridge construction work. A detour is in operation. Truck restrictions are in force. Until May 18, 2018 at about 11:59PM MST. 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 Jacobs Road (4 miles east of the Nezperce area) and Lawyer Creek Road (2 miles west of the Kamiah area). Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. Between US 95 (Grangeville) and US 12 (near Kooskia). Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. 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 US 12 (16 miles south of the Weippe area) and French Mountain Road (4 miles north of the Weippe area). Winter Storm Warning. Starting today at 7:00PM PST until tomorrow at about 4:00PM PST. 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