Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
This website will transition to a NEW 511 site. Start using it NOW & give us feedback.
  Menu
Mountain Passes
I‑15 ID 55 ID 75 I‑84 I‑90 US 93 US 95
See All Highways with Mountain Passes
Mountain Passes—Statewide
Map of Statewide Between Swan Lake Road (5 miles east of the Soda Springs area) and Georgetown Summit (3 miles west of the Georgetown area). Road construction work is in progress. The roadway is reduced to one lane. The road is being repaved. There is a width limit in effect. Speed restrictions are in force. Expect delays. Width limit 16'0". Speed limit 45 MPH. Expect 15 - minute delays. Until October 30, 2020 at about 7:00PM MDT. Between Exit 112: I-84B and Exit 125: 18th East Street (5 miles west of the Glenns Ferry area). Road construction work is in progress. The roadway is reduced to one lane. There is a width limit in effect. Speed restrictions are in force. Speed limit 70 MPH. Width limit 14'0". Until October 30, 2020 at about 11:59PM MDT. Between Grandjean Road and Cape Horn Road (10 to 35 miles south of the Stanley area). Look out for a forest fire. Emergency vehicles are at the scene. Drive with extreme caution. 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 Pollock Road and Sheep Creek Rest Area (4 to 5 miles south of the Riggins area). There is work on the shoulder. Look out for flaggers. Speed restrictions are in force. Until October 20, 2020 at about 6:00PM 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 Smith's Ferry Drive - High Valley Road and Round Valley Road (12 to 13 miles south of the Cascade area). The road is closed to traffic due to road construction work. The roadway is reduced to one lane. Look out for temporary traffic lights. There is a width limit in effect. Speed restrictions are in force. Expect delays. Speed limit 25 MPH. Width limit 13'0". From 10:00AM MDT to 2:00PM MDT on Monday, Tuesday, Wednesday and Thursday. Until November 15, 2020 at about 11:59PM MDT.
ID 21: Banner Creek
ID 28: Gilmore
ID 21: Highland Valley
US 93: Lost Trail Pass
I-90: Fourth of July Pass
ID 38: Holbrook
ID 36: Emigration Pass
US 95: White Bird Hill
US 93: Nevada Line Pass
ID 87: Reynolds Pass
US 20: Targee Pass
ID 75: Galena
US 89: Geneva
I-15: Monida Pass
ID 21: Mores Creek
ID 21: Beaver Creek
ID 71: Brownlee
ID 29: Bannock Pass
US 95: Midvale Hill
US 30: Georgetown
US 12: Lolo Pass
ID 55: Horseshoe Bend Hill
ID 33: Teton Pass
I-90: Lookout Pass
US 30: Border
ID 31: Pine Creek Pass
US 30: Fish Creek
I-15: Malad
US 20: Cat Creek
I-84: Sweetzer
US 95: Lewiston Hill
US 93: Willow Creek
Google Static Map Image
Mountain Pass Mountain Pass