A motorcyclist is dead and two people are being treated at a trauma center after a two-vehicle crash this morning on the 605 Freeway near Lakewood, authorities said.

The crash occurred about 3:20 a.m. on the southbound freeway, just north of South Street, the California Highway Patrol reported.

Paramedics dispatched to the location at 3:19 a.m. pronounced the motorcyclist dead at the scene and rushed two people to Long Beach Memorial Medical Center, according to a county fire department dispatcher.

The vehicle overturned when it struck the motorcyclist, who was down in the roadway, he said.