A wrong-way driver caused a bad crash on the Chicago Skyway.
It happened early this morning near 76th and South Chicago.
Police say the woman was driving northbound in the southbound lanes when she forced an oncoming semi to swerve into a retaining wall.
The truck driver is being treated; his injuries are not life-threatening.
The woman is in stable condition; she was charged with DUI and ticketed for several moving violations.