The solo-vehicle collision was reported shortly before 4 p.m. in the 9200 block of Konocti Bay Road at Sequoia, according to the California Highway Patrol.
The rollover crash resulted in the driver being ejected from the vehicle, according to reports from the scene.
REACH air ambulance transported the crash victim to Santa Rosa Memorial Hospital, officials reported.
The CHP reported that it was seeking a blood draw from the driver in the crash.
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