At about 3:30 a.m., CHP officers responded to a report of a vehicle that had crashed and ended up on its roof.
Shortly after that, additional vehicles were reported to be involved in the major-injury collision that scattered wreckage across all the southbound lanes, which were closed to traffic at about 3:45 a.m.
At 4:23 a.m., the far right lane was opened and by about 5:40 a.m. all lanes were opened to traffic, according to the CHP.