Melissa Culver, who was on her way to church when the sudden thick fog triggered the 17-car pileup, says she is just thankful to be alive and to be able to hug her children.
As the investigation continues, new information is surfacing about the driver involved in a crash that virtually sliced a bus in half, killing four people.
Experts from the National Transportation Safety Board are investigating a bus crash that killed four people and injured 23 on a central California highway.
Federal regulators gave the bus company a "satisfactory" rating in May, but there could be more to the records than the rating indicates.
An intense investigation has been launched into why five people died and 16 others were injured when a chartered bus crashed into a sign pole overnight in Merced County.
A California sheriff says several injured passengers lost limbs when a speeding bus veered off a highway and struck a pole, killing five people.