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Mountain Passes—Statewide
Map of Statewide Between Holbrook Summit Road and Smith Road (17 to 18 miles west of the Malad City area). The roadway is reduced to one lane. A seal coat treatment has been applied. Look out for loose gravel on the roadway. Look out for flaggers. Speed restrictions are in force. Speed limit 45 MPH. Until August 22, 2017 at about 6:00PM MDT. Between Thatcher Road (8 miles west of the Grace area) and US 30 (4 miles east of the Grace area). The roadway is reduced to one lane. A seal coat treatment has been applied. Look out for loose gravel on the roadway. Look out for flaggers. Speed restrictions are in force. Speed limit 45 MPH. Until August 22, 2017 at about 6:00PM MDT. Between US 30; Second Street South and The Wyoming State Line (52 miles east of the Soda Springs area). The roadway is reduced to one lane. A seal coat treatment has been applied. Look out for loose gravel on the roadway. Look out for flaggers. Speed restrictions are in force. Speed limit 45 MPH. Until August 22, 2017 at about 6:00PM MDT. Between Potters Road (3 miles east of the Lava Hot Springs area) and Third West Street (Soda Springs). The roadway is reduced to one lane. A seal coat treatment has been applied. Look out for loose gravel on the roadway. Look out for flaggers. Speed restrictions are in force. Speed limit 45 MPH. Until August 22, 2017 at about 6:00PM MDT. Between Center Street and Trego Road (1 to 2 miles west of the Blackfoot area). Road construction work is in progress. The road is being repaved. There is work on the shoulder. Look out for flaggers. There is a width limit in effect. Width limit 12'0". From 5:00AM MDT to 3:30PM MDT on Monday, Tuesday, Wednesday and Thursday. Until July 25, 2017 at about 5:30PM MDT. Between Powerline Road (2 miles east of the Craigmont area) and Powerline Road (near Nezperce). The road is closed. A detour is in operation. Road construction work is in progress. Until June 30, 2017 at about 11:59PM PDT. Between Exit 312 (Lewiston) and Eid Road (5 miles south of the Moscow area). A seal coat treatment has been applied. Drive with extreme caution. Short delays are possible. A pilot car is in operation. Look out for loose gravel on the roadway. Expect 23 - minute delays. Until June 30, 2017 at about 6:00AM PDT. Between Grandview Drive and Frontage Road (near Driggs). Water main work is in progress. Road maintenance work is in progress. Until October 13, 2017 at about 6:00PM MDT. Between Iest Road and US 20 (1 mile south of the Parma area). The road is closed to traffic. Bridge construction work is in progress. Speed restrictions are in force. Speed limit 55 MPH. Until December 1, 2017 at about 7:00PM MDT. Between Exit 222: I-86 and Exit 216: ID 25; ID 77 (6 to 7 miles east of the Heyburn area). Bridge maintenance work is in progress. The bridge is closed. There is a width limit in effect. Speed restrictions are in force. Follow the local detour. Speed limit 65 MPH. Width limit 15'0". Until August 18, 2017 at about 5:00PM MDT. Between Exit 13: 4th Street and Exit 15: Sherman Avenue (near Coeur d'Alene). Look out for long term road construction work. The roadway is reduced to two lanes. There is a width limit in effect. Speed limit 55 MPH. Between Exit 36: US 91; Hawkins Road (near Arimo) and Exit 57: Interstate 15 Business (near McCammon). The roadway is reduced to one lane. Road construction work is in progress. The road is being repaved. There is work on the shoulder. People are working in the median. Consider using an alternate route. Speed restrictions are in force. There is a width limit in effect. Speed limit 75 MPH. Width limit 15'0". Until October 15, 2017 at about 7:00PM MDT. 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 Southbound Blackfoot Rest Area (7 miles north of the Blackfoot area) and Exit 113: US 26; Interstate 15 Business (3 miles south of the Idaho Falls area). The roadway is reduced to one lane. Road construction work is in progress. The road is being repaved. There is work on the shoulder. People are working in the median. Expect long delays. Look out for traffic congestion. Consider using an alternate route. Speed restrictions are in force. There is a width limit in effect. Speed limit 65 MPH. Width limit 12'0". Until August 19, 2017 at about 8:00PM MDT. 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 County Road 2C and Chinook Street (near Bonners Ferry). The road is rough. Between Redfish Lake Road (near Stanley) and Squaw Creek Road (5 miles south of the Clayton area). There is danger of a rock fall. Between East Fork Road and Malm Gulch Road (6 to 8 miles north of the Clayton area). The road is rough. Between Exit 172: Sheep Station Road (1 mile south of the Spencer area) and Exit 180: Spenser Road (Spencer). The right lane is closed. The road is rough. There is work on the shoulder. Reduce your speed. Observe speed limits. There is a width limit in effect. Speed limit 65 MPH. For the next five months. Between US 30 (1 mile south of the Inkom area) and Exit 67: US 30; Interstate 15 Business (near Pocatello). The roadway is reduced to one lane. A lane is closed intermittently. There is work on the shoulder. People are working in the median. Speed restrictions are in force. There is a width limit in effect. Speed limit 70 MPH. Width limit 12'0". Until October 16, 2017 at about 11:59PM MDT. Between Exit 72: I-86 and Exit 89: US 91; Interstate 15 Business (near Fort Hall). The roadway is reduced to one lane. The left lane is closed. Road construction work is in progress. The road is being repaved. Look out for flaggers. Consider using an alternate route. Speed restrictions are in force. There is a width limit in effect. Speed limit 70 MPH. Width limit 15'0". Until August 31, 2017 at about 8:00PM MDT.
ID 21: Banner Creek Summit
US 30: Georgetown Summit
US 89: Geneva Summit
ID 29: Bannock Pass
US 20: Targee Pass
ID 21: Highland Valley Summit
US 93: Lost Trail Pass
ID 75: Galena Summit
US 12: Lolo Pass
ID 87: Reynolds Pass
ID 36: Emigration Pass
US 95: Midvale Hill Summit
I-15: Monida Pass
ID 71: Brownlee Summit
ID 21: Mores Creek Summit
ID 31: Pine Creek Pass
I-15: Malad Summit
ID 38: Holbrook Summit
US 30: Fish Creek Summit
US 93: Nevada Line Pass
I-84: Sweetzer Summit
ID 28: Gilmore Summit
ID 55: Horseshoe Bend Hill Summit
US 95: Lewiston Hill Summit
US 95: White Bird Hill Summit
I-90: Fourth of July Pass
US 20: Cat Creek Summit
ID 21: Beaver Creek Summit
US 93: Willow Creek Summit
ID 33: Teton Pass
I-90: Lookout Pass
US 30: Border Summit
Google Static Map Image
Mountain Pass Mountain Pass