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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 ID 67 and I-84B; Third West Street (Mountain Home). Road construction work is in progress. The road is being repaved. The roadway is reduced to two lanes. Look out for flaggers. Expect delays. Consider using an alternate route. Speed restrictions are in force. Speed limit 35 MPH. Expect 15 - minute delays. From 7:00PM MDT to 6:00AM MDT daily. Until July 6, 2018 at about 11:59PM MDT. Between I-84 and US 20 (near Boise). Night time construction work is in progress. Drive with extreme caution. Until today at about 5:00AM MDT. Between Exit 180: Spenser Road and Exit 190: Humphrey Road (2 miles north of the Spencer area). Watch for deer on the roadway. Drive with extreme caution. Between Exit 36 (Nampa) and Exit 54: US 20; Broadway Avenue (Boise). Night time construction work is in progress. Drive with extreme caution. Until today at about 5:00AM MDT. Between Wauncher Gulch Road (1 mile north of the Kendrick area) and Texas Ridge Road (3 miles south of the Deary area). Road construction work is in progress. The road is being repaved. There is work on the shoulder. The roadway is reduced to one lane. Look out for loose gravel on the roadway. Look out for flaggers. There is a width limit in effect. Width limit 12'0". Until July 2, 2018 at about 7:00PM PDT. Between Exit 173: US 93 (9 miles west of the Hazelton area) and Exit 201: ID 25; Kasota Road (5 miles east of the Hazelton area). Major road construction work is in progress. The road is being repaved. Speed restrictions are in force. Ramp restrictions are in force. There is a width limit in effect. The roadway is reduced to one lane. Speed limit 70 MPH. Width limit 14'0". Until November 2, 2018 at about 7:00PM MDT. Between Hitt Road (1 mile west of the Ucon area) and Saint Leon Road (1 mile east of the Idaho Falls area). Bridge maintenance work is in progress. The roadway is reduced to one lane. Drive with extreme caution. Between Hoff Road and Fleetwood Drive (2 to 7 miles west of the Blackfoot area). The roadway is reduced to one lane. Road construction work is in progress. The road is being repaved. Bridge construction work is in progress. There is work on the shoulder. Expect delays. Consider using an alternate route. Speed restrictions are in force. There is a width limit in effect. Expect 15 - minute delays. Speed limit 35 MPH. Width limit 11'0". Until June 30, 2018 at about 5:30PM MDT. Between Thompson Creek Road (5 miles south of the Clayton area) and US 93 (20 miles north of the Clayton area). Road maintenance work is in progress. A seal coat treatment has been applied. Look out for flaggers. A pilot car is in operation. Prepare to stop. Short delays are possible. Look out for trucks entering the roadway. Between Thompson Creek Road (5 miles south of the Clayton area) and US 93 (20 miles north of the Clayton area). There is danger of a rock fall. Drive with extreme caution. Between Montour Road (8 miles west of the Horseshoe Bend area) and ID 55 (Horseshoe Bend). Road construction work is in progress. The road is being repaved. The roadway is reduced to one lane. Expect delays. Look out for flaggers. A pilot car is in operation. The road is rough. There is a width limit in effect. Speed restrictions are in force. Expect 15 - minute delays. Width limit 12'0". Speed limit 35 MPH. From 7:30AM MDT to 12:00PM MDT on Friday and from 7:30AM MDT to 7:30PM MDT on Monday, Tuesday, Wednesday and Thursday. Until Friday, at about 7:30PM MDT. Between Exit 36: US 91; Hawkins Road (3 miles south of the Arimo area) and Exit 57: Interstate 15 Business (near Inkom). The roadway is reduced to one lane. Road construction work is in progress. The road is being repaved. Bridge maintenance work is in progress. There is work on the shoulder. People are working in the median. Expect delays. Look out for flaggers. Speed restrictions are in force. There is a width limit in effect. Speed limit 65 MPH. Width limit 12'5". Until October 15, 2018 at about 6:00PM MDT. Between US 95; Lorahama Street (Craigmont) and Wilson Road South (3 miles west of the Nezperce area). Road construction work is in progress. The road is being repaved. There is work on the shoulder. The roadway is reduced to one lane. From 7:00AM PDT to 8:00PM PDT on weekdays and Saturday. Until June 29, 2018 at about 8:00PM PDT. Between Redfish Lake Road (near Stanley) and Squaw Creek Road (5 miles south of the Clayton area). There is danger of a rock fall. Drive with extreme caution. Between East Street and The East Holbrook City Limits (21 miles west of the Malad City area). Look out for mobile maintenance operations. From 7:00AM MDT to 5:00PM MDT on Monday, Tuesday, Wednesday and Thursday. Until Friday, at about 5:00PM MDT. Between Sheep Creek Road (2 miles south of the Tensed area) and A Street (Plummer). Look out for mobile maintenance operations. Expect delays. Between Challis Avenue; Sunset Street (Arco) and Spar Canyon Road (21 miles south of the Challis area). Watch for deer on the roadway. Look out for large animals on the roadway. Drive with extreme caution. Between Redfish Lake Road (near Stanley) and Squaw Creek Road (5 miles south of the Clayton area). Look out for large animals on the roadway. Between Westbound Huetter Rest Area and Exit 17: Mullan Road (near Coeur d'Alene). Be aware of narrow lanes. There is a width limit in effect. Width limit 11'0". Until July 10, 2018 at about 5:00AM PDT.
US 89: Geneva Summit
US 93: Willow Creek Summit
I-90: Fourth of July Pass
US 93: Lost Trail Pass
I-90: Lookout Pass
ID 21: Mores Creek Summit
US 12: Lolo Pass
US 95: Midvale Hill Summit
ID 36: Emigration Pass
US 20: Targee Pass
US 30: Border Summit
ID 38: Holbrook Summit
ID 21: Beaver Creek Summit
ID 71: Brownlee Summit
ID 21: Banner Creek Summit
ID 29: Bannock Pass
ID 28: Gilmore Summit
US 95: Lewiston Hill Summit
US 93: Nevada Line Pass
I-15: Monida Pass
ID 31: Pine Creek Pass
I-84: Sweetzer Summit
ID 87: Reynolds Pass
ID 75: Galena Summit
ID 21: Highland Valley Summit
US 20: Cat Creek Summit
ID 33: Teton Pass
US 95: White Bird Hill Summit
ID 55: Horseshoe Bend Hill Summit
US 30: Georgetown Summit
US 30: Fish Creek Summit
I-15: Malad Summit
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Mountain Pass Mountain Pass