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 Johnson Road and McKim Creek Road (19 miles north of the Challis area). There is danger of a rock fall. Drive with extreme caution. Between Thompson Creek Road (5 miles south of the Clayton area) and US 93 (20 miles north of the Clayton area). There is danger of a rock fall. Drive with extreme caution. 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 Robinson Bar Road (15 miles north of the Stanley area) and Slate Creek Road (15 miles south of the Clayton area). Road construction work is in progress. The roadway is reduced to one lane. Follow the signs. Look out for flaggers. Look out for temporary traffic lights. Reduce your speed. Width limit 14'0". From 7:30AM MDT to 12:30PM MDT on Friday and from 7:30AM MDT to 5:30PM MDT on Monday, Tuesday, Wednesday and Thursday. Until October 4, 2019 at about 5:30PM MDT. Between The Washington State Line (near Post Falls) and Exit 12: US 95 (Coeur d'Alene). There is work on the shoulder. People are working in the median. Advisory speed limit 60 MPH. From 6:00AM PDT to 3:00PM PDT on Monday, Tuesday, Wednesday and Thursday. Until June 27, 2019 at about 3:00PM PDT. Between Sheep Creek Road (2 miles south of the Tensed area) and A Street (Plummer). Look out for mobile maintenance operations. Drive with extreme caution. Advisory speed limit 45 MPH. From 6:00AM PDT to 3:00PM PDT on Monday, Tuesday, Wednesday and Thursday. For the next week. Between First Street and Geneva Summit (8 miles north of the Montpelier area). There is work on the shoulder. Until today at about 5:00PM MDT. Between Gibbonsville Road and The Montana State Line (30 to 44 miles north of the Salmon area). The road surface is in poor condition. 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 Ohlinger Road (4 miles west of the Shoshone area) and US 93 (Shoshone). The road is being repaved. There is work on the shoulder. The roadway is reduced to one lane. Look out for flaggers. A pilot car is in operation. Expect delays. There is a width limit in effect. Speed restrictions are in force. Expect 15 - minute delays. Width limit 16'0". Speed limit 35 MPH. Until July 15, 2019 at about 5:00PM MDT. Between ID 8 and Viola Road - Trestle Road (5 miles north of the Moscow area). Road construction work is in progress. Expect delays. Look out for flaggers. Expect 15 - minute delays. Until July 19, 2019 at about 9:00PM PDT.
ID 36: Emigration Pass
US 95: White Bird Hill
I-15: Malad
ID 21: Highland Valley
US 30: Georgetown
US 30: Fish Creek
US 30: Border
ID 71: Brownlee
ID 21: Beaver Creek
I-90: Lookout Pass
I-15: Monida Pass
ID 31: Pine Creek Pass
I-90: Fourth of July Pass
US 20: Targee Pass
US 93: Willow Creek
ID 55: Horseshoe Bend Hill
US 89: Geneva
US 12: Lolo Pass
ID 75: Galena
ID 87: Reynolds Pass
ID 29: Bannock Pass
ID 28: Gilmore
US 93: Lost Trail Pass
US 93: Nevada Line Pass
ID 21: Banner Creek
US 95: Lewiston Hill
I-84: Sweetzer
ID 33: Teton Pass
ID 21: Mores Creek
ID 38: Holbrook
US 20: Cat Creek
US 95: Midvale Hill
Google Static Map Image
Mountain Pass Mountain Pass