On Friday morning a crash involving multiple vehicles including a semi-truck occurred on the 5 freeway north of Castaic.   On Friday around 11:16 a.m., first responders responded to a traffic collision on the southbound 5 freeway near Templin Highway involving four vehicles including a big rig that overturned, according to the California Highway Patrol incident ... The post Lanes Blocked After Big Rig Hauling Pistachios Overturns On 5 Freeway North Of Castaic appeared first on KHTS Radio.