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Mountain Passes—Southwest Idaho
Map of Southwest Idaho Between 2400 North Road (near Butte City) and Brunt Road (24 miles west of the Idaho Falls area). Look out for large animals on the roadway. Be aware of the animal crossing area. Drive with extreme caution. Until Monday, at about 7:00AM MDT. Between 300 South Road and 100 South Road (5 to 6 miles north of the Twin Falls area). Road construction work is in progress. There is work on the shoulder. Until April 24, 2020 at about 7:00PM MDT. Between ID 45 (19 miles east of the Marsing area) and ID 167 (19 miles west of the Grand View area). There is danger of a rock fall. Watch for deer on the roadway. Between Bureau of Indian Affairs Highway 211 and Goldsmith Road (12 to 79 miles south of the Mountain Home area). Watch for deer on the roadway. Between The Oregon State Line and ID 55 (7 to 33 miles south of the Homedale area). There is danger of a rock fall. Between ID 45 (19 miles west of the Grand View area) and ID 51 (14 miles east of the Grand View area). Watch for deer on the roadway. Between 450 West Road (3 miles west of the Burley area) and Park Avenue (Burley). Road construction work is in progress. The road is being repaved. Look out for flaggers. Reduce your speed. There is a width limit in effect. Speed limit 35 MPH. Width limit 10'0". From 8:00AM MDT to 6:00PM MDT on weekdays. Until October 31, 2020 at about 6:00PM MDT. Between Exit 29: US 20; Franklin Road and Exit 38: I-84B; Garrity Blvd (near Nampa). Road construction work is in progress. The roadway is reduced to one lane. Speed restrictions are in force. Speed limit 55 MPH. From 7:00PM MDT to 7:00AM MDT daily. Until January 28, 2021 at about 6:00AM MDT. Between Lee Creek Road and Hayden Creek Lane (9 to 13 miles north of the Leadore area). Road maintenance work is in progress. There is work on the shoulder. There are alternating lane closures. Look out for flaggers. Width limit 16'0". Until July 1, 2020 at about 5:30PM MDT. Between Eastbound Blacks Creek Rest Area and The Boise Port of Entry (2 to 6 miles east of the Boise area). Bridge construction work is in progress. A lane is closed intermittently. Speed restrictions are in force. Speed limit 70 MPH. Until September 20, 2020 at about 11:59PM MDT. Between 900 North Road and The Lincoln County Line (13 miles east of the Minidoka area). Road maintenance work is in progress. Look out for mobile maintenance operations. Look out for flaggers. The roadway is reduced to one lane. There is a width limit in effect. Expect delays. Consider using an alternate route. Width limit 14'0". From 8:00AM MDT to 3:00PM MDT on Monday, Tuesday, Wednesday and Thursday. Until April 17, 2020 at about 3:00PM MDT. Between 300 South Road and 100 South Road (5 to 6 miles north of the Twin Falls area). There is work on the shoulder. From 6:00AM MDT to 9:00PM MDT on weekdays. Until August 28, 2020 at about 9:00PM MDT. Between ID 77 (Declo) and US 30 (Burley). Road construction work is in progress. There is work on the shoulder. The roadway is reduced to one lane. Look out for flaggers. Look out for temporary traffic lights. Speed restrictions are in force. There is a width limit in effect. Consider using an alternate route. Speed limit 35 MPH. Width limit 12'0". Until May 8, 2020 at about 5:30PM MDT. Between South 1900 East Road and I-84 (4 miles south of the Wendell area). Road maintenance work is in progress. The roadway is reduced to one lane. A pilot car is in operation. Look out for flaggers. There is a width limit in effect. Width limit 12'0". From 8:00AM MDT to 5:00PM MDT on Monday, Tuesday, Wednesday and Thursday. Until April 10, 2020 at about 5:00PM MDT. Between Smiley Creek Road and Frenchman Creek Road (22 to 23 miles south of the Stanley area). There is work on the shoulder. Work on underground cables is in progress. Until June 30, 2020 at about 7:00PM MDT. 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 ID 16 and North Linder Road (1 to 3 miles west of the Eagle area). Road construction work is in progress. There is work on the shoulder. There is a width limit in effect. Width limit 12'0". 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. Until November 18, 2020 at about 8:00PM MDT. 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 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 I-84 (Boise) and Banks Lowman Road (31 miles north of the Idaho City area). There is danger of a rock fall. Watch for deer on the roadway. Between I-84 (Boise) and Banks Lowman Road (31 miles north of the Idaho City area). There is danger of a rock fall. Watch for deer on the roadway. Between Warm Springs Creek Airport Road and The Custer - Boise County Line (23 to 35 miles south of the Stanley area). The road is closed. There's been an avalanche. Between Exit 216: ID 25; ID 77 and Exit 228 (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 1: 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 The Oregon State Line (27 miles north of the Cambridge area) and US 95 (Cambridge). There is danger of a rock fall. Watch for deer on the roadway. 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 ID 78 and Sunnyslope Road (near Marsing). Road construction work is in progress. The roadway is reduced to one lane. Observe the signals. Look out for flaggers. Expect delays. There is a width limit in effect. Expect 10 - minute delays. Width limit 14'0". Until September 18, 2020 at about 7:00PM MDT. Between US 20 (Arco) and Hammond Lane (near Challis). Road maintenance work is in progress. Look out for mobile maintenance operations. Look out for trucks entering the roadway. Maintenance vehicles. Repairs are in progress. Look out for people on the roadway. Prepare to stop. Look out for flaggers. Short delays are possible. Until June 30, 2020 at about 5:30PM MDT. Between Indianhead Road (near Weiser) and Haller Avenue (Cambridge). There is danger of a rock fall. Between Spurwing Way (1 mile west of the Eagle area) and Jerico Road (Eagle). Road construction work is in progress. There is work on the shoulder. Look out for flaggers. Until October 30, 2020 at about 11:59PM MDT. Between US 20 and Ebor Reactor Road (10 to 43 miles west of the Mud Lake area). Look out for large animals on the roadway. Be aware of the animal crossing area. Drive with extreme caution. Until Monday, at about 7:00AM MDT. Between Exit 72: I-86 and Exit 80: Fort Hall (near Chubbuck). Bridge construction work is in progress. There are alternating lane closures. Until April 30, 2020 at about 5:00PM MDT. Between ID 55; Eagle Road (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 US 20 (Boise). Look out for rush hour traffic. Between Cloverdale Road - Joplin Road and I-184 (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: ID 69 (near Meridian). Look out for rush hour traffic. Between Salubria Road (Cambridge) and Pinehurst Road (11 miles south of the Riggins area). There is danger of a rock fall. Watch for deer on the roadway. Between Shimmering Cover Lane (1 mile north of the Donnelly area) and US 95 (New Meadows). There is danger of a rock fall. Watch for deer on the roadway.
ID 21: Banner Creek
ID 28: Gilmore
ID 21: Highland Valley
ID 38: Holbrook
US 93: Nevada Line Pass
ID 75: Galena
I-15: Monida Pass
ID 21: Mores Creek
ID 21: Beaver Creek
ID 71: Brownlee
US 95: Midvale Hill
ID 55: Horseshoe Bend Hill
I-15: Malad
US 20: Cat Creek
I-84: Sweetzer
US 93: Willow Creek
Google Static Map Image
Mountain Pass Mountain Pass