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Mountain Passes—Southwest Idaho
Map of Southwest Idaho Between Oak Street (Shelley) and Heyrend Way (near Idaho Falls). Road construction work is in progress. There is work on the shoulder. Between 450 West Road and Park Avenue (3 miles west of the Burley area). Road construction work is in progress. There is a width limit in effect. The road is being repaved. Look out for flaggers. Reduce your speed. Speed limit 35 MPH. Width limit 10'0". From 8:00AM MDT to 6:00PM MDT on weekdays. Until tomorrow at about 6:00PM MDT. Between US 20 and Exit 38: I-84B Nampa; Garrity Blvd (near Nampa). Road 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. From 9:00PM MDT to 5:00AM MDT daily. Until January 28, 2021 at about 6:00AM MDT. Between Exit 29: Franklin Road (Caldwell) and Exit 33 (near Nampa). The road is closed. A detour is in operation. There is a width limit in effect. Width limit 12'0". Until today at about 5:00AM MDT. 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. From 10:00AM MDT to 2:00PM MDT on Monday, Tuesday, Wednesday and Thursday. Until September 24, 2021 at about 11:59PM MDT. Between Exit 112 (5 miles west of the Glenns Ferry area) and Exit 125: 18th East Street (near Glenns Ferry). 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 November 9, 2020 at about 11:59PM MDT. 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 Johnson Road and McKim Creek Road (19 miles north of the Challis area). There is danger of a rock fall. Drive with extreme caution. 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). Road construction work is in progress. 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. The intersecting road is closed. A detour is not available. Speed limit 25 MPH. Width limit 13'0". Vehicle length limit 75 ft. Until November 15, 2020 at about 11:59PM MDT. Between North Pollard Road and North Fox Run Avenue (3 miles west of the Eagle area). Road construction work is in progress. There is work on the shoulder. The roadway is reduced to one lane. Until November 30, 2020 at about 11:59PM MDT. Between Jerico Road (near Eagle) and ID 55 (Boise). Road construction work is in progress. There is work on the shoulder. There is a width limit in effect. Width limit 11'0". Until November 18, 2020 at about 8:00PM MDT. Between Redfish Lake Road (Stanley) and US 93 (20 miles north of the Clayton area). There is danger of a rock fall. Drive with extreme caution. Between ID 21 (Stanley) and Squaw Creek Road (5 miles south of the Clayton area). Look out for large animals on the roadway. Between ID 25 and Exit 201: Kasota Road (4 to 6 miles east of the Hazelton area). Road construction work is in progress. There is a width limit in effect. Road maintenance work is in progress. Look out for mobile maintenance operations. Bridge maintenance work is in progress. Bridge construction work is in progress. A seal coat treatment has been applied. The roadway is reduced to one lane. The right lane is closed. Speed restrictions are in force. Speed limit 65 MPH. Width limit 12'0". Until today at about 6:00PM MDT. Between ID 77; ID 25 and ID 81 Spur (10 to 12 miles east of the Heyburn area). Road construction work is in progress. The road is being repaved. The roadway is reduced to two lanes. Follow the signs. Speed restrictions are in force. There is a width limit in effect. Speed limit 70 MPH. Width limit 12'0". Until November 30, 2020 at about 8:00PM MDT. Between Exit 15: Raft River and ID 37; I-86B American Falls (1 to 22 miles west of the American Falls area). Road construction work is in progress. The road is being repaved. Road maintenance work is in progress. The roadway is reduced to one lane. Speed limit 65 MPH. Width limit 14'0". Until Tuesday, at about 7:00PM MDT. Between I-84 and Eastbound Coldwater Rest Area (22 to 37 miles west of the American Falls area). Road construction work is in progress. The road is being repaved. The roadway is reduced to two lanes. Follow the signs. Speed restrictions are in force. There is a width limit in effect. Speed limit 70 MPH. Width limit 12'0". Until November 30, 2020 at about 8:00PM MDT. Between US 20 (5 miles west of the Atomic City area) and Section Road (7 miles east of the Atomic City area). There is work on the shoulder. Until today at about 7:00PM MDT. Between ID 78 and Sunnyslope Road (near Marsing). Road construction work is in progress. There is work on the shoulder. Until tomorrow at about 7:00PM MDT. Between Exit 165 (near Jerome) and ID 50 (8 miles west of the Hazelton area). Road construction work is in progress. There is a width limit in effect. There is work on the shoulder. People are working in the median. The road is being repaved. Observe the signs. The roadway is reduced to one lane. The left lane is closed. Consider using an alternate route. Speed restrictions are in force. Speed limit 70 MPH. Width limit 12'0". Until November 20, 2020 at about 5:30PM MDT. Between Exit 125: 18th East Street and I-84B Hammett (near Glenns Ferry). The entrance ramp is closed due to road construction work. Follow the detour signs. Width limit 14'0". Until today at about 12:00PM MDT. Between Spurwing Way and Jerico Road (near Eagle). Road construction work is in progress. There is work on the shoulder. Look out for flaggers. Until today at about 11:59PM MDT. Between ID 55 (Eagle) and US 20; Glenwood Street (Garden City). Look out for rush hour traffic. Between US 20 (Arco) and Hammond Lane (near Challis). Look out for large animals on the roadway. Between Eleventh Avenue North Extension (5 miles east of the Caldwell area) and North Fox Run Avenue (near Eagle). Look out for rush hour traffic. Between I-84 and the end of I-184 (Boise). Look out for rush hour traffic. Between Sullivan Hot Springs Road and East Fork Road (near Clayton). Road construction work is in progress. Bridge construction work is in progress. The roadway is reduced to one lane. Look out for temporary traffic lights. Speed restrictions are in force. There is a width limit in effect. Speed limit 35 MPH. Width limit 11'0". Until tomorrow at about 9:00PM MDT. Between Cloverdale Road - Joplin Road and Eighth Street (Boise). Look out for rush hour traffic. Between I-84 (Meridian) and US 20 (Boise). Look out for rush hour traffic. Between Exit 28: 10th Street (Caldwell) and Exit 35: Northside Boulevard (Nampa). Look out for rush hour traffic. Between Exit 36 (Nampa) and Exit 44 (near Meridian). Look out for rush hour traffic. Between I-15 (Idaho Falls) and ID 33 (Rexburg). Bridge construction work is in progress. A lane is closed intermittently. Width limit 14'0". Until today at about 7:00PM MDT.
US 95: Midvale Hill
US 93: Nevada Line Pass
ID 71: Brownlee
US 93: Willow Creek
ID 21: Banner Creek
I-15: Monida Pass
ID 21: Mores Creek
I-84: Sweetzer
ID 28: Gilmore
US 20: Cat Creek
ID 38: Holbrook
ID 75: Galena
ID 21: Highland Valley
ID 21: Beaver Creek
ID 55: Horseshoe Bend Hill
I-15: Malad
Google Static Map Image
Mountain Pass Mountain Pass