California Highway Patrol press release: 


On December 11, 2017,  at approximately 1553 hours, a 2010 Dodge Ram 2500 pickup, driven by Ferndale resident Kyle Arata-Matyshock, was traveling northbound on US 101, south of mile post marker 23.5. For reasons still under investigation, the Dodge left the east side of the roadway, collided with a guardrail, and overturned against a tree. The Dodge came to rest on the embankment between US-101 and Maple Hills Road. As a result of the collision, the driver sustained major injuries. The driver was air lifted from the scene to Mercy Medical Center in Redding, CA. During this incident, one way traffic control was in place on Maple Hills Road. The cause of this collision is still under investigation, however impaired driving is considered a factor in the collision.

Agencies on scene were City Ambulance of Eureka, Cal-Fire, Miranda Volunteer Fire, and CHP. 

This collision remains under investigation by the California Highway Patrol.