Two people were rushed to University Hospital early Friday morning after a crash on Highway 63 near Dripping Springs Road, north of Columbia.
23-year-old Alexander Wiesner of Ashland suffered serious injuries.
Mallory Embree, 22, of Sturgeon was driving northbound on Highway 63 when her car hit the towed unit of a pickup truck.
Troopers said the truck was trying to execute a three-point turn in the northbound lanes of the highway. No one inside the truck was treated for injuries.