Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Road Reports
US 20 Whole Road 6 reports
Parma to Boise 2 reports
Mountain Home to Arco 1 report
Arco to Idaho Falls 3 reports
Idaho Falls to Montana No reports
Reports on US 20
Map of Reports on US 20 Between The Truck Scale Port of Entry and Big Lost River Rest Area (3 to 10 miles east of the Butte City area). Look out for large animals on the roadway. Between Van Buren Boulevard and Argon National Engineering Lab Road (18 to 23 miles east of the Butte City area). Road closed to traffic. Starting February 22, 2017 at 2:00AM MST until February 22, 2017 at about 2:45AM MST.
US 20: Roadway reduced to three lanes.
US 20 eastbound: Roadway reduced to three lanes, left lane closed.
US 20: Long term road construction, bridge construction, roadway reduced to one lane, delays, temporary traffic lights, speed restrictions in force, width limit in effect.
US 20: Large animals on roadway.
US 20: Road closed to traffic.
US 20 westbound: Surface water hazard, reduce your speed.
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Closure Closure Restriction Restriction Crash Crash Warning Warning Info Info