Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Highways with Mountain Passes
US 12 1 mountain pass
I-15 2 mountain passes
US 20 2 mountain passes
ID 21 4 mountain passes
ID 28 1 mountain pass
ID 29 1 mountain pass
US 30 3 mountain passes
ID 31 1 mountain pass
ID 33 1 mountain pass
ID 36 1 mountain pass
ID 38 1 mountain pass
ID 55 1 mountain pass
ID 71 1 mountain pass
ID 75 1 mountain pass
I-84 1 mountain pass
ID 87 1 mountain pass
US 89 1 mountain pass
I-90 2 mountain passes
US 93 3 mountain passes
US 95 3 mountain passes
Mountain Passes—Southeast Idaho
Map of Southeast Idaho Between Industrial Lane and Poleline Road (Pocatello). The roadway is reduced to one lane. Road construction work is in progress. There is a width limit in effect. Night time construction work is in progress. Width limit 12'0". From 7:00PM MDT to 7:00AM MDT on weekdays. Until September 15. Between The Blackfoot Rest Area and Exit 113: US 26; Interstate 15 Business (4 to 9 miles south of the Idaho Falls area). The roadway is reduced to one lane. Bridge maintenance work is in progress. Speed restrictions are in force. There is a width limit in effect. Speed limit 70 MPH. Width limit 12'0". From 7:00AM MDT to 5:30PM MDT on Mondays, Tuesdays, Wednesdays and Thursdays. Until July 31. Between Exit 118: US 20; US 91; Broadway Street (Idaho Falls) and Exit 150: Hamer Road (4 miles south of the Hamer area). Road construction work is in progress. Reduce your speed. A seal coat treatment has been applied. There are alternating lane closures. Width limit 15'0". Until July 1. Between North Cherry Creek Road (19 miles north of the Ketchum area) and Salmon River Road (28 miles south of the Stanley area). Look out for construction work. A seal coat treatment has been applied. Look out for loose gravel on the roadway. Expect single line traffic alternating directions. Expect delays. Look out for flaggers. A pilot car is in operation. Speed restrictions are in force. Expect 15 - minute delays. Speed limit 35 MPH. From 8:00AM MDT to 7:00PM MDT on weekdays. Until July 1. Between East 4 Lane; West 4 Lane and Barker Lane (1 to 2 miles south of the Donnelly area). Bridge construction work is in progress. Expect delays. Look out for flaggers. Expect 10 - minute delays. From 7:00AM MDT to 6:00PM MDT daily. Until October 21. Between Challis Avenue; Sunset Street (Arco) and Spur 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 Gunnell Road (near Soda Springs) and Diamond Gulch Road (5 miles east of the Soda Springs area). The roadway is reduced to one lane. There are alternating lane closures. A lane is closed intermittently. Road construction work is in progress. The road is being repaved. Look out for loose gravel on the roadway. A seal coat treatment has been applied. There is work on the shoulder. Expect delays. A pilot car is in operation. Look out for flaggers. Consider using an alternate route. There is a width limit in effect. Expect 15 - minute delays. Width limit 14'0". From 3:00AM MDT to 7:00PM MDT on weekdays. Until September 20. Between Exit 211: US 30; ID 24 and Exit 222: I-86 (5 to 6 miles east of the Heyburn area). Look out for long term road construction work due to bridge construction work. The roadway is reduced to two lanes. Speed restrictions are in force. There is a width limit in effect. Drive with extreme caution. Speed limit 65 MPH. Width limit 12'0". Until June 2, 2017. Between The Menan-Lorenzo Highway (3 miles east of the Rigby area) and ID 33 (Rexburg). Road construction work is in progress. The roadway is reduced to two lanes. Construction traffic may be merging. Speed restrictions are in force. There is a width limit in effect. Expect delays. Speed limit 55 MPH. Width limit 14'0". Expect 5 - minute delays. Until October 31. Between 2000 South Road; Plano Road and 5500 West Road (3 to 4 miles west of the Rexburg area). Look out for construction work. Bridge maintenance work is in progress. Look out for temporary traffic lights. Expect single line traffic alternating directions. From 7:00AM MDT to 8:00PM MDT on weekdays and Saturdays. Until November 18. Between Broadway Run Road and Elkhorn Road; River Ranch Road (near Sun Valley). Look out for long term road construction work. Bridge construction work is in progress. The roadway is reduced to two lanes. Expect delays. Speed restrictions are in force. There is a width limit in effect. Speed limit 35 MPH. Width limit 14'0". Until September 15, 2017. Between Exit 93: US 26 and The Blackfoot Rest Area (3 miles north of the Blackfoot area). The roadway is reduced to one lane. Road construction work is in progress. The road is being repaved. Bridge maintenance work is in progress. People are working in the median. Speed restrictions are in force. There is a width limit in effect. Width limit 14'0". Speed limit 65 MPH. Until November 1. Between The Utah State Line (12 miles south of the Malad City area) and Exit 31: ID 40; Downey Road (10 miles south of the Arimo area). Look out for mobile maintenance operations. There is work on the shoulder. People are working in the median. From 7:00AM MDT to 4:30PM MDT on Mondays, Tuesdays, Wednesdays and Thursdays. Until June 30. Between Clark Road and Thomas Road (1 mile west of the Blackfoot area). Road construction work is in progress. There is work on the shoulder. From 8:00AM MDT to 5:30PM MDT on weekdays. Until July 20. Between Texas Creek Road (5 miles south of the Leadore area) and ID 29 (Leadore). Road maintenance work is in progress. Until June 30. Between Redfish Lake Road (near Stanley) and Squaw Creek Road (5 miles south of the Clayton area). There is danger of a rock fall. Look out for large animals on the roadway. Between The North Fork Teton River Bridge (1 mile east of the Sugar City area) and North River Road (1 mile east of the Ashton area). Road maintenance work is in progress. A seal coat treatment has been applied. Look out for loose gravel on the roadway. There are alternating lane closures. Look out for flaggers. A pilot car is in operation. There is a width limit in effect. Width limit 15'0". Until July 20. Between Avenue A and University Drive (near Boise). The road is closed to traffic due to bridge construction work. A detour is in operation. Until October 1. Between Exit 194: ID 25; Ridgeway Road (3 miles east of the Hazelton area) and Exit 201: ID 25; Kasota Road (6 miles west of the Burley area). The road is being repaved. The roadway is reduced to two lanes. Speed restrictions are in force. There is a width limit in effect. Speed limit 70 MPH. Width limit 15'0". Until July 15. Between Exit 57: Interstate 15 Business (Inkom) and Exit 63: Portneuf Road (2 miles north of the Inkom area). The roadway is reduced to one lane. There are alternating lane closures. Road construction work is in progress. There is work on the shoulder. People are working in the median. Speed restrictions are in force. Speed limit 70 MPH. Width limit 12'0". From 7:00AM MDT to 5:30PM MDT on weekdays. Until August 2. Between 1300 South Road and Thorn Creek Road (7 to 12 miles north of the Gooding area). Look out for construction work. The roadway is reduced to one lane. Look out for flaggers. Short delays are possible. There is a width limit in effect. Width limit 13'0". Until Monday, at about 5:00PM MDT. Between The Cherry Creek Rest Area (3 miles south of the Malad City area) and Exit 22: Colton Lane (2 miles north of the Malad City area). Look out for mobile maintenance operations. The roadway is reduced to one lane. There are alternating lane closures. If weather permits. Until July 8.
ID 31: Pine Creek Pass
ID 36: Emigration Pass
ID 87: Reynolds Pass
US 93: Willow Creek Summit
US 89: Geneva Summit
I-15: Malad Summit
ID 21: Beaver Creek Summit
I-15: Monida Pass
ID 28: Gilmore Summit
ID 21: Banner Creek Summit
ID 29: Bannock Pass
US 30: Border Summit
ID 38: Holbrook Summit
ID 75: Galena Summit
US 20: Targee Pass
I-84: Sweetzer Summit
ID 21: Highland Valley Summit
ID 33: Teton Pass
ID 21: Mores Creek Summit
US 30: Georgetown Summit
US 93: Nevada Line Pass
US 20: Cat Creek Summit
US 30: Fish Creek Summit
Google Static Map Image
Mountain Pass Mountain Pass