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 US 20; Front Street (Arco) and Pahsimeroi Road (15 miles north of the Challis area). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST. Between ID 33 and Butte - Clark County Line (31 to 39 miles west of the Dubois area). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST. Between Exit 54: US 20; Broadway Avenue and Exit 60: The Isaacs Canyon Interchange (near Boise). Road construction work is in progress. Bridge construction work is in progress. The roadway is reduced to one lane. Speed restrictions are in force. Speed limit 55 MPH. Until October 1, 2015. Between Exit 52: Orchard Street and Exit 57: Gowen Road (near Boise). Road construction work is in progress. Bridge construction work is in progress. The roadway is reduced to one lane. Speed restrictions are in force. Speed limit 55 MPH. From 8:00PM MST to 5:00AM MST daily. Until December 1, 2015. Between Wadsworth Road Road and ID 22 (13 miles north of the Mud Lake area). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST. Between Poplar Road (5 miles east of the Ririe area) and The Wyoming State Line (16 miles east of the Irwin area). Look out for large animals on the roadway. Drive with extreme caution. Between Pettit Lake Road (15 miles south of the Stanley area) and East Fork Road (2 miles north of the Clayton area). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM 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 Monday, at about 5:00AM MST. Between Exit 38: I-84B (Meridian) and I-184 (Boise). Road construction work is in progress. There is work on the shoulder. Until February 15, 2015. Between 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 Monday, at about 5:00AM 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 Monday, at about 5:00AM MST. Between Ford Street and US 93 (2 to 21 miles north of the Clayton area). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST. Between Grandjean Road (24 miles south of the Stanley area) and ID 75 (Stanley). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST. Between Old Highway 93 (17 miles south of the Bellevue area) and Valley Road (15 miles south of the Stanley area). A Winter Storm Warning is in effect. Until Monday, at about 5:00AM MST.
US 95: Midvale Hill Summit
ID 71: Brownlee Summit
US 93: Willow Creek Summit
ID 75: Galena Summit
ID 21: Highland Valley Summit
I-90: Fourth of July Pass
US 95: White Bird Hill Summit
US 89: Geneva Summit
ID 21: Beaver Creek Summit
US 93: Nevada Line Pass
ID 38: Holbrook Summit
ID 29: Bannock Pass
US 30: Border Summit
US 93: Lost Trail Pass
I-15: Monida Pass
US 30: Fish Creek Summit
US 20: Cat Creek Summit
ID 36: Emigration Pass
I-15: Malad Summit
ID 55: Horseshoe Bend Hill Summit
ID 21: Banner Creek Summit
ID 21: Mores Creek Summit
I-84: Sweetzer Summit
ID 28: Gilmore Summit
I-90: Lookout Pass
ID 33: Teton Pass
US 20: Targee Pass
ID 31: Pine Creek Pass
ID 87: Reynolds Pass
US 95: Lewiston Hill Summit
US 30: Georgetown Summit
US 12: Lolo Pass
Google Static Map Image
Mountain Pass Mountain Pass