Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Mountain Passes—Statewide
Map of Statewide Between Exit 108: River Road (8 miles south of the Idaho Falls area) and Exit 143 (4 miles south of the Hamer area). Look out for mobile maintenance operations. Until Friday, at about 11:59PM MDT. Between Cinder Butte Road (3 miles west of the Idaho Falls area) and Bellin Road (Idaho Falls). Look out for mobile maintenance operations. For a few hours. Between I-15 and Saint Leon Road (near Idaho Falls). Look out for mobile maintenance operations. Until Friday, at about 5:00PM MDT. 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 MDT to 5:00AM MDT 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 29: US 20; Franklin Road (Caldwell) and Exit 44: ID 69 (Nampa). Traffic is stop and go. 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 Sand Ridge Road; Pocatello Valley Road and The East Holbrook City Limits (6 to 22 miles west of Malad City). Look out for mobile maintenance operations. Road maintenance work is in progress. Look out for flaggers. From 7:00AM MDT to 4:30PM MDT on Monday, Tuesday, Wednesday and Thursday. Until Thursday, at about 4:30PM MDT. 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 MDT to 7:00PM MDT on weekdays. Until December 15. Between Exit 112: I-84B (7 miles west of the Glenns Ferry area) and Exit 121 (near Glenns Ferry). Road construction work is in progress. The road is being repaved. The roadway is reduced to one lane. There is a width limit in effect. Speed restrictions are in force. Speed limit 65 MPH. Until April 17.
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