The California Highway Patrol reported that Amy Duschka, 21, was injured in the crash, which occurred just after 5 p.m. Wednesday.
CHP Officer Steve Tanguay said Duschka was driving her 2004 Kia Rio southbound on State Route 53, south of State Route 20, at an unknown speed.
Tanguay said Duschka made an unsafe turning movement and lost control of her vehicle. The Kia went off of the roadway, hit an embankment, and overturned.
As a result of the collision, Duschka's left arm was severely injured, Tanguay said. Duschka was transported by REACH to Santa Rosa Memorial Hospital.
Tanguay said the collision is still under investigation by Officer Rob Hearn.
Drugs and alcohol are not considered to be factors in this collision, Tanguay said.
