Traffic was slowed on southbound Interstate 5 through Red Bluff Monday morning. A big rig carrying a load of PVC pipe overturned at the Antelope Boulevard on-ramp.
The accident happened at 6:40 a.m. Monday.
The freeway was reduced to one lane for most of the morning.
As of 10:15 a.m., both lanes were back open, but the southbound Interstate 5 on-ramp from westbound Antelope Boulevard remained closed.