At 2:30 a.m. Friday morning, OCFA responded to a reported traffic collision in the 7100 block of Cerritos Ave. Crews arriving located a head on collision involving a Scion and a street sweeper head on. The driver of the Scion was declared deceased at the scene by paramedics. The driver of the street sweeper was transported in critical condition to a local hospital. It is unknown if speed or alcohol were a factor in the crash. OC Sheriffs will be handling the investigation.