A tractor trailer accident closed a stretch of the Warren Street Bypass -- Route 12 -- in Muhlenberg Township.
The crash happened in the westbound lanes of the highway between the 5th Street and Route 61 interchanges.
The truck went off the slick highway and part way up a snowy embankment.
No one was injured, according to emergency dispatchers.
The highway remained closed between 5th Street and Route 61 for a few hours until crews were able to remove the truck, police said.