Multiple agencies were sent to a traffic collision just north of the Mendocino/Sonoma County Line after a vehicle hit the cement center divide and overturned.
Northbound traffic is backing up and southbound traffic is moving slowly through the area.
An air ambulance was requested. However, that has been cancelled along with most other incoming resources. A ground ambulance is still being requested though.
UPDATE 5:29 p.m.: When this reporter reached the scene, Hopland Fire, Cloverdale Fire, California Highway Patrol, and an ambulance had staged responding to the incident.
The driver was injured, placed in an ambulance, and emergency personnel began to clean up the incident.
Scanner traffic indicate that as of 5:29 p.m., the incident had been terminated and all Hopland Fire units are available.
CHP and fire personnel examining the wreckage 
Traffic backed up as first responders address the incident
Please remember that this story is unfolding. Information is being reported as we gather it. However, some of the information coming from witnesses and initial official reports could be wrong. We will do our best to get the facts but, in the case that something is inaccurate, we will update with correct information as soon as we can.
