A big rig overturned Wednesday night in the northbound lanes of the 5 Freeway in Castaic, prompting authorities to close the northbound side of the freeway until at least 2 a.m.
The accident occurred just after 10 p.m. just north of Parker Road and traffic was being taken off the freeway at Parker Road, according to the California Highway Patrol.
The big rig was laying across all lanes of the northbound portion of the freeway. Traffic was backed up for miles.
At least one injury was reported, but the extent is unknown
As of 2:08 am the fwy has been cleared and the big rig has been moved to the left side of the 5 fwy and CHP has opened the right 3 lanes