DOWNEY, Calif. --
A big rig overturned in Downey Saturday snarling traffic on the southbound 5 Freeway for several hours. The accident occurred near Paramount Boulevard and shut down all but one lane around 4:30 a.m.
CHP officials said the collision involved a vehicle versus big rig and left the big rig on its side.
All lanes were reopened around 7 a.m.
No injuries were reported.
The cause of the accident remains under investigation.