A Magalia man was taken to the hospital with major injuries after he hit by a pickup truck while riding his motorcycle.
The collision happened in Oroville around 9:45 a.m. Monday at the on-ramp to northbound Highway 70 at Garden Drive.
The CHP said the driver of the truck ran a stop sign and struck the motorcyclist.
The driver of the truck was identified as 75-year-old Ronald Graves. The injured man on the motorcycle was 56-year-old Jeffery Simmons from Magalia.
The motorcycle was wedged beneath the pickup truck.
Simmons was taken to Enloe Medical Center, and he's listed in critical condition.