(Freeport, MN) --  A crash just east of Freeport closed Interstate 94 for several hours early this (Monday) morning.  A semi traveling eastbound rear-ended a car going slow, or that may have been stopped, in the right lane.  The driver of the vehicle a 33-year-old woman from Eau Claire, Wisconsin is in critical condition.  Her name has not been released.  The driver of the semi was a 31-year-old Wyoming, Minnesota man.  He was not hurt.  The Interstate reopened just before 6:00 a.m. State Patrol officials say the roadways in the area were icy