Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
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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—North Idaho
Map of North Idaho Between Hayden Avenue and Lancaster Road (near Rathdrum). Road construction work is in progress. Bridge construction work is in progress. There is work on the shoulder. Width limit 14'0". From 7:00AM PST to 5:00PM PST on weekdays and Saturday. Between ID 128 and US 95 (Lewiston). The road is closed intermittently. The roadway is reduced to one lane. Expect delays. Look out for flaggers. Until December 31, 2020 at about 5:00AM PST. Between Ironwood Drive (Coeur d'Alene) and Lancaster Road (Hayden). Look out for rush hour traffic.
US 93: Lost Trail Pass
I-90: Lookout Pass
I-90: Fourth of July Pass
US 95: White Bird Hill
US 95: Lewiston Hill
US 12: Lolo Pass
Google Static Map Image
Mountain Pass Mountain Pass