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Mountain Passes
I‑15 ID 55 ID 75 I‑84 I‑90 US 93 US 95
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Mountain Passes—Statewide
Map of Statewide Between The Utah State Line (12 miles south of the Malad City area) and Exit 31: ID 40; Downey Road (11 miles south of the Arimo area). Look out for mobile maintenance operations. From 7:00AM MDT to 5:30PM MDT on weekdays. Between Robinson Bar Road (14 miles north of the Stanley area) and Slate Creek Road (15 miles south of the Clayton area). The roadway is reduced to one lane. There is work on the shoulder. Expect delays. Look out for flaggers. There is a width limit in effect. Expect 15 - minute delays. Width limit 12'0". Until tomorrow at about 7:00PM MDT. Between Exit 58: US 30 and Exit 63 (near Pocatello). The roadway is reduced to one lane. There are alternating lane closures. Bridge construction work is in progress. There is work on the shoulder. People are working in the median. Look out for flaggers. Speed restrictions are in force. Truck restrictions are in force. Ramp restrictions are in force. Drive with extreme caution. Speed limit 60 MPH. Until November 1. Between US 20 and Eight Mile Canyon Road (37 to 42 miles west of the Mud Lake area). Look out for animals on the roadway. Between The South Saint Charles Creek Bridge and Michaelson Road (near St. Charles). The roadway is reduced to one lane. Expect delays. Road construction work is in progress. Bridge construction work is in progress. There is work on the shoulder. Look out for flaggers. Consider using an alternate route. Speed restrictions are in force. There is a width limit in effect. Observe the signals. Expect 15 - minute delays. Speed limit 25 MPH. Width limit 12'0". From 7:00AM MDT to 5:00PM MDT on weekdays. Until November 1. Between The West Lava Hot Springs City Limits and Fish Creek Summit (3 miles east of the Lava Hot Springs area). The roadway is reduced to one lane. A lane is closed intermittently. Road construction work is in progress. The road is being repaved. Speed restrictions are in force. There is a width limit in effect. Speed limit 45 MPH. Width limit 12'0". Until July 15.
ID 21: Banner Creek Summit
ID 38: Holbrook Summit
ID 36: Emigration Pass
ID 21: Beaver Creek Summit
US 93: Lost Trail Pass
US 20: Cat Creek Summit
ID 33: Teton Pass
ID 21: Mores Creek Summit
US 89: Geneva Summit
US 30: Border Summit
ID 21: Highland Valley Summit
ID 55: Horseshoe Bend Hill Summit
I-15: Monida Pass
I-84: Sweetzer Summit
US 12: Lolo Pass
ID 29: Bannock Pass
US 20: Targee Pass
ID 71: Brownlee Summit
US 93: Willow Creek Summit
ID 87: Reynolds Pass
ID 31: Pine Creek Pass
I-90: Fourth of July Pass
I-15: Malad Summit
US 93: Nevada Line Pass
US 95: Midvale Hill Summit
US 30: Georgetown Summit
I-90: Lookout Pass
ID 75: Galena Summit
US 95: White Bird Hill Summit
US 30: Fish Creek Summit
US 95: Lewiston Hill Summit
ID 28: Gilmore Summit
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Mountain Pass Mountain Pass