SACRAMENTO COUNTY -- CHP is on the scene of a fatal accident that happened near the Laguna Boulevard exit on I-5 around 5:23 a.m.
A big rig driver was driving slow due to another accident near the scene when he felt an impact on the back of his truck so he went onto the shoulder.
He walked outside and saw an entire cab of a medium size panel truck crunched into the back of his big rig. He didn't realize he was dragging the truck.
Two adult males were killed on impact in the accident. CHP says neither of the men were wearing seatbelts.
The northbound lanes of I-5 are reduced just north of Laguna Boulevard due to the collision.
One lanes is blocked off for the investigation.
There is no estimated time of clearing.
Stay with FOX40 for updates on this story.