But I-70 westbound east of Braddock Road was closed, but one lane has been opened.
Frederick, Md (KM) State Police say southbound Interstate 270 in the area of Baker Valley Road is now open to traffic.
Authorities say the roadway had been closed earlier because it was covered with ice, with several vehicles disabled or jackknifed. But State Highway Administration crews responded and treated the highway..
I-70 eastbound west of Braddock Road was totally closed for a time on Thursday afternoon, but one lane has reopened. SHA crews are still treating the road surface. Troopers say earlier, the roadway was ice-covered and several vehicles are disabled or jackknifed.
Interstate 70 at Alternate 40 is closed. State Police say the roadway is covered with ice, and a tractor trailer has jackknifed in the roadway, blocking all lanes. SHA crews are treating the roadway.
Motorists who are heading out on Thursday are urged to be cautious.
By Kevin McManus