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—Southeast Idaho
Map of Southeast Idaho 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 1700 North Road and 2500 North Road (5 miles south of the Hollister area). Road construction work is in progress. The roadway is reduced to one lane because the road is being repaved and due to bridge construction work. Expect delays. Look out for flaggers. Speed restrictions are in force. There is a width limit in effect. Expect 15 - minute delays. Speed limit 55 MPH. Width limit 12'0". From 7:00AM MST to 7:00PM MST on weekdays. Until Wednesday, at about 7:00PM MST. Between Havens Road and West Porterville Road; Parks Road (3 to 7 miles west of the Blackfoot area). The roadway is reduced to one lane. Road construction work is in progress. Bridge construction work is in progress. The road is being repaved. There is work on the shoulder. Expect delays. Speed restrictions are in force. There is a width limit in effect. Expect 15 - minute delays. Speed limit 35 MPH. Width limit 10'0". From 7:30AM MST to 5:00PM MST daily. Until June 30, 2018 at about 11:59PM 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 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 Redfish Lake Road (near Stanley) and Squaw Creek Road (5 miles south of the Clayton area). Look out for large animals on the roadway. Drive with extreme caution.
US 89: Geneva Summit
US 93: Willow Creek Summit
ID 21: Mores Creek Summit
ID 36: Emigration Pass
US 20: Targee Pass
US 30: Border Summit
ID 38: Holbrook Summit
ID 21: Beaver Creek Summit
ID 21: Banner Creek Summit
ID 29: Bannock Pass
ID 28: Gilmore 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 30: Georgetown Summit
US 30: Fish Creek Summit
I-15: Malad Summit
Google Static Map Image
Mountain Pass Mountain Pass