According to the California Highway Patrol, the collision happened at around 3:38 p.m. on the westbound East Eight Mile Road, just east of Lower Sacramento Road.

Stockton, CA – A motorcycle rider was seriously injured in a crash on East Eight Mile Road in Stockton Tuesday afternoon.
According to the California Highway Patrol, the collision happened at around 3:38 p.m. on the westbound East Eight Mile Road, just east of Lower Sacramento Road.
A silver Kia Sorrento crashed into a motorcycle for unknown reasons.
The biker suffered severe injuries in the mishap.
The driver involved remained at the scene and cooperated with the police.
No additional details regarding the collision were available.
The circumstances surrounding the accident are under investigation.