Officials said a driver suffered internal injuries in a crash in Watertown on Tuesday.
The Jefferson County Sheriff's Office said a semi and a vehicle collided at the intersection of Gypsy Road and Highway 19 at about 3:15 p.m.
Witnesses told deputies the vehicle stopped at a stop sign on Gypsy Road and turned to go west onto the highway. The semi heading east on Highway 19 struck the driver's side door of the vehicle.
The Watertown Fire Department extracted the vehicle driver and an ambulance took the driver, suffering internal injuries, to Watertown Hospital. The driver was then taken by Med Flight to Madison for treatment, the report said.
The sheriff's department said it's not known why the vehicle driver didn't to yield from the stop sign but noted the sun was low in the west at the time of the crash.
According to the report, witnesses told deputies the semi had no chance of stopping or swerving to miss the vehicle.
The semi driver was not injured, the sheriff said.
Jefferson County Sheriff's Crash Investigation Unit is still investigating the accident.