Interstate 90 was blocked in both directions near Reed Point due to an accident Wednesday morning.
This incident was 2 miles west of Reed Point at milepost 390 and was reported shortly after 10 a.m.
The Montana Department of Transportation reported several accidents in the region.
There was a rollover incident blocking all westbound lanes about 10 miles west of Columbus at milepost 398.
MDT reported icy roads with black ice caused dangerous driving conditions. Expect delays in travel in the area.
Authorities also reported the highway was closed at Aberdeen Hill south of Lodge Grass on Wednesday morning due to several incidents.