Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
This website will transition to a NEW 511 site. Start using it NOW!
Mountain Passes—Southwest Idaho
Map of Southwest Idaho Between Seid Creek Road and the end of ID 71. A Winter Storm Warning is in effect. For the next hour. Between Oak Street (Shelley) and Heyrend Way (near Idaho Falls). Road construction work is in progress. The shoulder is closed. Until August 13, 2021 at about 6:00PM MST. Between High Prairie Road (18 miles west of the Fairfield area) and Magic View Road (14 miles east of the Fairfield area). A Winter Storm Warning is in effect. For the next hour. 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. Expect delays. The road is being repaved. There is work on the shoulder. Bridge construction work is in progress. Speed limit 55 MPH. Expect 10 - minute delays. Width limit 12'0". From 9:00PM MST to 5:00AM MST daily. Until tomorrow at about 6:00AM MST. Between Sportsman Access and the end of ID 55. A Winter Storm Warning is in effect. For the next day. Between The Oregon State Line and Mill Creek Road (12 to 27 miles north of the Cambridge area). A Winter Storm Warning is in effect. For the next day. Between The Oregon State Line and Mill Creek Road (12 to 27 miles north of the Cambridge area). A Winter Storm Warning is in effect. For the next day. 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 Smiley Creek Road (21 miles south of the Stanley area) and Malm Gulch Road (8 miles north of the Clayton area). A Winter Storm Warning is in effect. For the next day. Between County Line Road; Camp Creek Road and US 93. A Winter Storm Warning is in effect. For the next day. Between Robie Creek Road (13 miles north of the Boise area) and Seafoam Road (19 miles south of the Stanley area). A Winter Storm Warning is in effect. For the next day. Between Robie Creek Road (13 miles north of the Boise area) and Seafoam Road (19 miles south of the Stanley area). A Winter Storm Warning is in effect. For the next day. Between Midvale Hill Summit (1 mile south of the Midvale area) and Lost Valley Reservoir Road (9 miles south of the New Meadows area). A Winter Storm Warning is in effect. For the next hour. Between US 95 and Sunnyslope Road (1 mile south of the Marsing area). Road construction work is in progress. There is work on the shoulder. Until February 15, 2021 at about 7:00PM MST. Between ID 55 and ID 21. A Winter Storm Warning is in effect. For the next day. Between Old Horseshoe Bend Hill Road (1 mile south of the Horseshoe Bend area) and Round Valley Road (13 miles south of the Cascade area). A Winter Storm Warning is in effect. For the next day. Between Old Horseshoe Bend Hill Road (1 mile south of the Horseshoe Bend area) and Round Valley Road (13 miles south of the Cascade area). A Winter Storm Warning is in effect. For the next day. Between Shelly Lane and the end of ID 52. A Winter Storm Warning is in effect. For the next day. Between Immigrant Road (9 miles east of the Mountain Home area) and School House Road (18 miles west of the Fairfield area). A Winter Storm Warning is in effect. For the next day. 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 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 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 East Fork Road and the end of ID 75. A Winter Storm Warning is in effect. For the next day. Between ID 21 (Stanley) and Squaw Creek Road (5 miles south of the Clayton area). Look out for large animals on the roadway. Between Bear Valley Road and the end of ID 21. A Winter Storm Warning is in effect. For the next day. Between Exit 98: Lambert Road and Exit 108: River Road (2 to 8 miles north of the Blackfoot area). Look out for mobile maintenance operations. People are working in the median. There is a width limit in effect because the roadway is reduced to one lane. Speed restrictions are in force. Speed limit 70 MPH. Width limit 14'0". Until Friday, at about 5:00PM MST. Between The Nevada State Line (26 miles south of the Hollister area) and 3000 North Road (4 miles north of the Hollister area). A High Wind Warning is in effect. For the next half day. Between US 20 and Little Lost River Highway (28 to 34 miles west of the Mud Lake area). Look out for drifting snow on the roadway. Look out for ice on the roadway. Drive with extreme caution. Between US 91; I-15B Blackfoot and Exit 93 (1 mile south of the Blackfoot area). Look out for mobile maintenance operations. People are working in the median. The roadway is reduced to one lane. The right lane is closed. The left lane is closed. Width limit 14'0". Until today at about 5:00PM MST. Between US 20 and The Butte - Jefferson County Line (10 to 43 miles west of the Mud Lake area). Look out for large animals on the roadway. Between Salmon Avenue (Arco) and Brunt Road (24 miles west of the Idaho Falls area). Look out for large animals on the roadway. Between Lava Lake Road (16 miles north of the Carey area) and US 20 (Arco). Look out for large animals on the roadway. Between McGowan Creek Road (13 miles south of the Challis area) and McKim Creek Road (20 miles north of the Challis area). Look out for large animals on the roadway. Between Melba Road and Lewis Lane (8 miles south of the Nampa area). Look out for potholes. Drive with extreme caution. 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 1150 West Road and 1050 West Road (3 miles west of the Paul area). Road maintenance work is in progress. There is work on the shoulder. Until February 19, 2021 at about 4:30PM MST. Between I-84 and the end of I-184 (Boise). Look out for rush hour traffic. 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.
ID 71: Brownlee
US 93: Willow Creek
I-15: Monida Pass
ID 21: Banner Creek
I-15: Malad
US 95: Midvale Hill
ID 75: Galena
ID 21: Highland Valley
ID 21: Beaver Creek
ID 55: Horseshoe Bend Hill
ID 38: Holbrook
ID 28: Gilmore
US 20: Cat Creek
US 93: Nevada Line Pass
ID 21: Mores Creek
I-84: Sweetzer
Google Static Map Image
Mountain Pass Mountain Pass