Big Rig Rolls Over On J-59 Sponsored by: By B.J. Hansen Published Oct 4, 2019 09:38 am CHP-Sonora-Unit-logo View Photo Jamestown, CA — The CHP reports that a large truck has overturned on J-59 at the Highway 108 intersection. The driver was able to exit the truck and is up and walking around. Emergency officials are responding to assist with the incident. Be prepared for activity in the area.