Amtrak train derails in Washington

Cars from an Amtrak train that derailed lie spilled onto Interstate 5 on Dec. 18, 2017, in DuPont, Wash.

Cars from an Amtrak train that derailed above lie spilled onto Interstate 5 on Dec. 18, 2017, in DuPont, Wash.

Cars from an Amtrak train that derailed above lay spilled onto Interstate 5 alongside smashed vehicles on Dec. 18, 2017, in DuPont, Wash.

A semi-truck with visible damage to its hood sits parked on the shoulder just ahead of a car covered in mud and debris and with a smashed windshield just beyond where an Amtrak train lay spilled onto Interstate 5 below as some train cars remain on the tracks above on Dec. 18, 2017, in DuPont, Wash.

Cars from an Amtrak train lay spilled onto Interstate 5 below as some train cars remain on the tracks above on Dec. 18, 2017, in DuPont, Wash.

Cars from an Amtrak train lay spilled onto Interstate 5 below alongside smashed vehicles as some train cars remain on the tracks above on Dec. 18, 2017, in DuPont, Wash.

This photo provided by Danae Orlob shows an Amtrak train that derailed south of Seattle on Dec. 18, 2017.