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 Deinhard Lane and Boydstun Street (McCall). The road is closed to traffic due to bridge construction work. A detour is in operation. Until tomorrow at about 11:59PM 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. There is work on the shoulder. People are working in the median. 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 US 30; Interstate 15 Business; Alameda Road and Flandro Drive (near Pocatello). The roadway is reduced to one lane. Night time construction work is in progress. Road construction work is in progress. Truck restrictions are in force. There is a width limit in effect. Look out for flaggers. If weather permits. Width limit 12'0". Until December 5. Between Exit 38: I-84B (Meridian) and I-184 (Boise). Road construction work is in progress. The roadway is reduced to two lanes. Speed restrictions are in force. Speed limit 55 MPH. Until December 15.
US 95: Lewiston Hill Summit
ID 55: Horseshoe Bend Hill Summit
US 93: Nevada Line Pass
US 30: Border Summit
ID 21: Beaver Creek Summit
ID 38: Holbrook Summit
US 20: Targee Pass
I-84: Sweetzer Summit
ID 21: Banner Creek Summit
ID 75: Galena Summit
ID 71: Brownlee Summit
ID 28: Gilmore Summit
US 89: Geneva Summit
ID 33: Teton Pass
US 93: Willow Creek Summit
ID 36: Emigration Pass
ID 21: Mores Creek Summit
ID 29: Bannock Pass
US 95: White Bird Hill Summit
I-15: Malad Summit
US 20: Cat Creek Summit
US 30: Georgetown Summit
ID 21: Highland Valley Summit
I-90: Fourth of July Pass
I-15: Monida Pass
I-90: Lookout Pass
US 12: Lolo Pass
US 95: Midvale Hill Summit
US 30: Fish Creek Summit
ID 87: Reynolds Pass
ID 31: Pine Creek Pass
US 93: Lost Trail Pass
Google Static Map Image
Mountain Pass Mountain Pass