Big rig crash snarls traffic on 405 Freeway in Sherman Oaks

LOS ANGELES - A crash involving a big rig shut down the northbound lanes of the 405 Freeway in Sherman Oaks on Thursday morning for about three hours.

According to the California Highway Patrol, the crash occurred around 4:40 a.m. near the 101 Freeway transition. 

Witnesses told authorities that they saw the truck driver run from the area and was last seen running toward the 101 Freeway. 

In the investigation, authorities said the truck is from Tennessee. It is currently unknown if the truck, which was empty, was stolen.

The transition road from the northbound 405 Freeway to both directions of the 101 Freeway was closed and all lanes of the northbound 405 Freeway were stopped at about Ventura Boulevard, the CHP said.

Shortly before 8 a.m., some lanes of the northbound San Diego Freeway were reopened, Caltrans reported. Other lanes remained blocked while crews worked to clear the scene.

No injuries were immediately reported.

The investigation is ongoing. 

CNS contributed to this report.