Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Mountain Passes—Statewide
Map of Statewide Between S. Tower Creek Road and Gibbonsville Road (12 to 30 miles north of the Salmon area). Look out for large animals on the roadway. Between The Oregon State Line (near Fruitland) and Exit 121 (near Glenns Ferry). Look out for a slow moving maintenance vehicle. Until today at about 8:00PM MST. Between ID 87 and Targee Pass (3 miles east of the Island Park area). There is a hazard on the roadway. Look out for trucks entering the roadway. Until Friday, at about 7:00PM MST. Between Exit 22: Colton Lane and Exit 31: ID 40; Downey Road (8 to 11 miles north of the Malad City area). The roadway is reduced to one lane. The right lane is closed. Road maintenance work is in progress. If weather permits. From 7:00AM MST to 3:30PM MST on weekdays. Until Friday, at about 3:30PM MST. Between Bradbury Flat Road (near Challis) and McKim Creek Road (20 miles north of the Challis area). Look out for a surface water hazard. There is danger of a rock fall. 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. The roadway is reduced to one lane. Speed restrictions are in force. Speed limit 55 MPH. Until October 1. 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. Between Antelope Flat Road (1 mile west of the Swan Valley area) and The Wyoming State Line (16 miles east of the Irwin area). There is danger of a rock fall. Between Poplar Road (5 miles east of the Ririe area) and The Wyoming State Line (16 miles east of the Irwin area). Look out for large animals on the roadway. Drive with extreme caution. Between Exit 38: I-84B (Meridian) and I-184 (Boise). Road construction work is in progress. The roadway is reduced to three lanes. Speed restrictions are in force. Speed limit 55 MPH. Until August 15. Between Exit 36 (Nampa) and Exit 44: ID 69 (Meridian). Look out for mobile maintenance operations. Keep to the right. Between The Inkom Port of Entry (1 mile south of the Pocatello area) and Exit 69: Clark Street (Pocatello). The roadway is reduced to one lane. Blasting is in progress. Road construction work is in progress. Consider using an alternate route. A pilot car is in operation. Expect delays. There is a width limit in effect. Expect 5 - minute delays. Width limit 16'0". From 7:00AM MST to 7:00PM MST on weekdays. Until December 15.
US 95: Midvale Hill Summit
ID 71: Brownlee Summit
US 93: Willow Creek Summit
ID 75: Galena Summit
ID 21: Highland Valley Summit
I-90: Fourth of July Pass
US 95: White Bird Hill Summit
US 89: Geneva Summit
ID 21: Beaver Creek Summit
US 93: Nevada Line Pass
ID 38: Holbrook Summit
ID 29: Bannock Pass
US 30: Border Summit
US 93: Lost Trail Pass
I-15: Monida Pass
US 30: Fish Creek Summit
US 20: Cat Creek Summit
ID 36: Emigration Pass
I-15: Malad Summit
ID 55: Horseshoe Bend Hill Summit
ID 21: Banner Creek Summit
ID 21: Mores Creek Summit
I-84: Sweetzer Summit
ID 28: Gilmore Summit
I-90: Lookout Pass
ID 33: Teton Pass
US 20: Targee Pass
ID 31: Pine Creek Pass
ID 87: Reynolds Pass
US 95: Lewiston Hill Summit
US 30: Georgetown Summit
US 12: Lolo Pass
Google Static Map Image
Mountain Pass Mountain Pass