Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Mountain Passes—Southeast Idaho
Map of Southeast Idaho Between I-84 and East Grand Forest Drive and Technology Way (near Boise). Road construction work is in progress. The roadway is reduced to one lane. Look out for flaggers. Speed restrictions are in force. Speed limit 25 MPH. Until October 1. Between Dam Road and Smalley Road (near Cascade). Bridge construction work is in progress. Look out for flaggers. There is a width limit in effect. Speed restrictions are in force. The intersecting road is closed. Speed limit 25 MPH. Width limit 11'0". From 7:00AM MDT to 12:00PM MDT on Fridays and from 7:00AM MDT to 7:00PM MDT on Mondays, Tuesdays, Wednesdays and Thursdays. Until October 21. 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. There is a width limit in effect. Speed limit 55 MPH. Width limit 16'0". Until October 1. Between Exit 52: Orchard Street and Exit 57: ID 21; 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 ID 31 (Swan Valley) and The Wyoming State Line (16 miles east of the Irwin area). Road maintenance work is in progress. Until today at about 11:59PM MDT. Between Exit 52: The Arbon Valley Highway and Exit 56: Airport Way (near Arbon Valley). Road maintenance work is in progress. There is work on the shoulder. If weather permits. From 7:00AM MDT to 5:30PM MDT on Mondays, Tuesdays, Wednesdays and Thursdays. Until August 13. 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 East 3100 South Road and North Wendell Road (near Wendell). Major road construction work is in progress. The roadway is reduced to two lanes because the road is being repaved. Look out for flaggers. Expect delays. There is a width limit in effect. The sidewalk is closed. Expect 15 - minute delays. Width limit 12'0". Until September 25. Between I-15 and Exit 309: Science Drive (Idaho Falls). Bridge maintenance work is in progress. There is a width limit in effect. Speed limit 35 MPH. Width limit 13'0". Until Saturday, at about 7:00PM MDT. 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 Bliss Rest Area - Elmore County Line (1 mile west of the Bliss area) and Exit 155: State Highway 46 Spur (5 miles west of the Wendell area). The road is being repaved. There are alternating lane closures. Look out for loose gravel on the roadway. Expect delays. There is a width limit in effect. Width limit 14'0". Speed limit 35 MPH. Until Friday, at about 6:00PM MDT. Between Robinson Bar Road (14 miles north of the Stanley area) and Slate Creek Road (15 miles south of the Clayton area). Look out for construction work. The roadway is reduced to one lane. Expect delays. Look out for flaggers. There is a width limit in effect. Width limit 14'0". Expect 15 - minute delays. From 7:00AM MDT to 8:00PM MDT on weekdays. Until Friday, at about 6:00PM MDT. Between The South Ashton City Limits and 1000 North Road (3 to 4 miles west of the Ashton area). There is work on the shoulder. Construction traffic may be merging. Look out for trucks entering the roadway. Until September 18. Between North Cherry Creek Road (19 miles north of the Ketchum area) and Salmon River Road (28 miles south of the Stanley area). The roadway is reduced to one lane. The road is being repaved. Look out for flaggers. A pilot car is in operation. Expect delays. Look out for loose gravel on the roadway. Expect 15 - minute delays. Speed limit 35 MPH. From 8:00AM MDT to 8:00PM MDT on weekdays. Until September 4. Between Malm Gulch Road and Bayhorse Wayside (12 miles north of the Clayton area). Road maintenance work is in progress. Until August 14. Between ID 78 and Frontage Road (24 to 26 miles west of Caldwell). The road is closed to traffic. A detour is in operation. Follow the detour signs. From 9:00AM MDT to 3:30PM MDT on Monday, Tuesday, Wednesday and Thursday. Until Thursday, at about 3:30PM MDT. 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 Banner Creek Summit (23 miles south of the Stanley area) and ID 75 (Stanley). The road is being repaved. The roadway is reduced to one lane. Look out for loose gravel on the roadway. Look out for flaggers. A pilot car is in operation. Expect delays. Speed restrictions are in force. There is a width limit in effect. Increase normal following distance. Expect 15 - minute delays. Speed limit 35 MPH. Width limit 12'0". From 8:00AM MDT to 8:00PM MDT on weekdays. Until Friday, at about 6:00PM MDT. Between Main Street and Mores Creek Summit (11 miles north of the Idaho City area). Look out for mobile maintenance operations. Look out for a slow moving maintenance vehicle. Drive carefully. From 8:00AM MDT to 4:30PM MDT on Tuesday, Wednesday and Thursday. Until Thursday, at about 11:59PM MDT. Between Old Highway 30; West Frontage Road and Morris Drive (1 mile west of the Mountain Home area). Road construction work is in progress. Expect 10 - minute delays. Speed limit 45 MPH. Width limit 11'0". Until August 15. Between Sullivan Hot Springs Road and East Fork Road (1 mile south of the Clayton area). Bridge maintenance work is in progress. Look out for flaggers. Until Friday, at about 7:00PM MDT. Between Exit 89: US 91; Interstate 15 Business and Exit 93: US 26 (1 mile south of the Blackfoot area). The roadway is reduced to one lane. There are alternating lane closures. The road is being repaved. There is a width limit in effect. Width limit 12'0". From 7:00AM MDT to 7:00PM MDT on Tuesday and Wednesday. Until tomorrow at about 7:00PM MDT. Between Bayhorse Wayside and US 93 (14 to 15 miles north of the Clayton area). Bridge maintenance work is in progress. The roadway is reduced to one lane. Look out for temporary traffic lights. There is a width limit in effect. Width limit 11'0". Until August 18. Between Exit 17: ID 36; State Highway 36 (2 miles north of the Malad City area) and Exit 31: ID 40; Downey Road (11 miles south of the Arimo area). The roadway is reduced to one lane. Road construction work is in progress. Expect delays. A detour is in operation. Follow the detour signs. Speed restrictions are in force. There is a width limit in effect. Expect 15 - minute delays. Speed limit 65 MPH. Width limit 12'0". From 6:00AM MDT to 6:00PM MDT on weekdays. Until September 16. Between The Inkom Port of Entry and Exit 69: Clark Street (1 mile south of the Pocatello area). 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 Bott Road; Green Road and The Sage Junction Port of Entry (5 to 12 miles east of the Mud Lake area). Road construction work is in progress. Until Friday, at about 5:30PM MDT. Between I-184 and Fourth Street (Boise). The road is closed intermittently. Look out for flaggers. Consider using an alternate route.
US 93: Willow Creek Summit
ID 75: Galena Summit
ID 21: Highland Valley 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
I-15: Monida Pass
US 30: Fish Creek Summit
US 20: Cat Creek Summit
ID 36: Emigration Pass
I-15: Malad Summit
ID 21: Banner Creek Summit
ID 21: Mores Creek Summit
I-84: Sweetzer Summit
ID 28: Gilmore Summit
ID 33: Teton Pass
US 20: Targee Pass
ID 31: Pine Creek Pass
ID 87: Reynolds Pass
US 30: Georgetown Summit
Google Static Map Image
Mountain Pass Mountain Pass