The recorders from the collision in Oxnard, about 45 miles (72 km) northwest of Los Angeles, have been sent to Washington, D.C., for analysis, said National Transportation Safety Board member Robert Sumwalt.
"We can say that the forward-facing cameras did record the accident sequence, they recorded the actual collision," he said. (Reporting by Dana Feldman, Writing by Alex Dobuzinskis; Editing by Cynthia Johnston)