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Mountain Passes—Statewide
Map of Statewide Between Exit 114 (5 miles west of the Glenns Ferry area) and Exit 121 (near Glenns Ferry). The road is being reconstructed. Eastbound traffic. The right lane is closed. Westbound traffic. The left lane is closed. Width limit 14'0". Speed limit 65 MPH. Until August 21, 2021 at about 11:59PM MDT. Between Thompson Creek Road (3 miles south of the Clayton area) and US 93 (20 miles north of the Clayton area). Look out for large animals on the roadway. Prepare to stop. Between Smith's Ferry Drive - High Valley Road and Round Valley Road (13 miles south of the Cascade area). Major road construction work is in progress. Until July 30, 2021 at about 11:59PM MDT. Between US 93 (Arco) and Argon National Engineering Lab Road (28 miles west of the Idaho Falls area). Look out for large animals on the roadway. Between North Linder Road and North Locust Grove Road (near Eagle). Road construction work is in progress. There is work on the shoulder. The roadway is reduced to one lane. The right lane is closed. Expect delays. Speed limit 45 MPH. Expect 15 - minute delays. Until July 5, 2021 at about 11:59PM MDT. Between US 20 and The Butte - Jefferson County Line (10 to 43 miles west of the Mud Lake area). Look out for large animals on the roadway. Between Lava Lake Road (16 miles north of the Carey area) and US 20 (Arco). Look out for large animals on the roadway. Between McGowan Creek Road (13 miles south of the Challis area) and McKim Creek Road (20 miles north of the Challis area). Look out for large animals on the roadway. Between US 20 and Eight Mile Canyon Road (39 to 43 miles west of the Mud Lake area). Look out for a herd of animals on the roadway. Between the start of ID 36 and 2700 South Road (20 miles west of the Weston area). Look out for mobile maintenance operations. From 7:00AM MDT to 5:00PM MDT on Monday, Tuesday, Wednesday and Thursday. Until tomorrow at about 5:00PM MDT. Between Old Highway 91 and 2000 South Road; Menan Butte Road (13 to 15 miles west of the Rexburg area). Be aware of the animal crossing area. Drive with extreme caution. Between North Linder Road and North Meridian Road (near Eagle). Road construction work is in progress. There are alternating lane closures. There is work on the shoulder. Consider using an alternate route. Speed restrictions are in force. Speed limit 45 MPH. Until October 1, 2021 at about 6:00PM MDT. Between US 20 (Arco) and Hammond Lane (near Challis). Look out for large animals on the roadway.
ID 36: Emigration Pass
US 95: Lewiston Hill
I-15: Malad
ID 29: Bannock Pass
US 20: Cat Creek
ID 28: Gilmore
US 93: Lost Trail Pass
ID 55: Horseshoe Bend Hill
ID 75: Galena
ID 31: Pine Creek Pass
ID 38: Holbrook
US 30: Border
US 93: Willow Creek
I-90: Lookout Pass
I-15: Monida Pass
ID 33: Teton Pass
ID 87: Reynolds Pass
US 30: Fish Creek
US 95: Midvale Hill
ID 21: Mores Creek
US 93: Nevada Line Pass
ID 21: Beaver Creek
ID 71: Brownlee
ID 21: Highland Valley
I-84: Sweetzer
US 20: Targee Pass
ID 21: Banner Creek
I-90: Fourth of July Pass
US 30: Georgetown
US 12: Lolo Pass
US 89: Geneva
US 95: White Bird Hill
Google Static Map Image
Mountain Pass Mountain Pass