All westbound lanes of Interstate 80/94 were reopened as of 5 p.m. Saturday, Indiana State Police said.
Two lanes had been shut down near Calumet Avenue while police responded to several accidents between Broadway and the state line.
Police said there have been numerous slide-offs caused by motorists traveling too fast in the slick driving conditions. No major crashes have been reported.
Check www.nwi.com for more updates.