11:58 a.m.: The freeway has reopened after a big-rig jack-knifed and overturned, spilling its glass cargo on the road and forcing it closed for hours.
KNBC-TV reports the Sig Alert was canceled and the lane closures on I-5 lifted at about 11 a.m. Monday after being shut down for five hours.
The two drivers involved in the crash suffered only minor injuries, according to KNBC.
7:34 a.m.: Commuter traffic is backed up for miles after a big-rig carrying glass overturned on a freeway transition road in East Los Angeles.
California Highway Patrol Officer Alex Rubio says the tractor-trailer crashed shortly before 6 a.m. Monday on the transition from southbound Interstate 5 to State Route 60.
All lanes are expected to be closed for hours as crews clear the truck and the glass spread across the roadway.
Television news showed some vehicles avoiding the standstill by driving over the center divider.
Rubio didn't immediately know if the truck driver is injured.
This story has been updated.